Atom Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| AddAtom | Adds a character string to the local atom table. | System.String.Intern
Note String is not exactly an atom. |
| FindAtom | Searches the local atom table for the specified character string. | System.String.IsInterned
Note String is not exactly an atom. |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Bitmap Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| AlphaBlend | Displays a bitmap with transparent or semitransparent pixels. | System.Drawing.Graphics.DrawImage |
| BitBlt | Performs a bit-block transfer. | System.Drawing.Graphics.DrawImage |
| CreateBitmap | Creates a bitmap. | System.Drawing.Bitmap constructor
Note Creates a DIB, not a DDB. |
| GetBitmapDimensionEx | Gets the dimensions of a bitmap. | System.Drawing.Bitmap.Size |
| GetDIBColorTable | Retrieves RGB color values from a DIB section bitmap. | System.Drawing.Bitmap.Palette |
| GetDIBits | Copies a bitmap into a buffer. | System.Drawing.Bitmap.LockBits |
| GetPixel | Gets the RGB color value of the pixel at a given coordinate. | System.Drawing.Bitmap.GetPixel |
| GradientFill | Fills rectangle and triangle structures. | System.Drawing.Graphics.FillRectangle(Drawing2D.LinearGradiantBrush, Rectangle) |
| LoadBitmap | Loads a bitmap from a module's executable file. | System.Drawing.Bitmap.Bitmap(Type, String) |
| SetPixel | Sets the color for a pixel. | System.Drawing.Bitmap.SetPixel |
| SetPixelV | Sets a pixel to the best approximation of a color. | System.Drawing.Bitmap.SetPixel(…, Graphics.GetNearestColor(Color)) |
| StretchBlt | Copies a bitmap and stretches or compresses it. | System.Drawing.Graphics.DrawImage |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Brush Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateBrushIndirect | Creates a brush with a specified style, color, and pattern. | Any of the following: System.Drawing.Brushes System.Drawing.SolidBrush System.Drawing.TextureBrush System.Drawing.Drawing2D.HatchBrush System.Drawing.Drawing2D.LinearGradientBrush System.Drawing.Drawing2D.PathGradientBrush |
| CreateHatchBrush | Creates a brush with a hatch pattern and color. | System.Drawing.Drawing2D.HatchBrush constructor |
| CreatePatternBrush | Creates a brush with a bitmap pattern. | System.Drawing.TextureBrush constructor |
| CreateSolidBrush | Creates a brush with a solid color. | System.Drawing.SolidBrush constructor |
| GetSysColorBrush | Gets a handle for a brush that corresponds to a color index. | System.Drawing.Brushes class |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Button Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CheckDlgButton | Changes the check state of a button control. | System.Windows.Forms.CheckBox.Checked |
| CheckRadioButton | Adds a check mark to a specified radio button in a group and removes a check mark from all other radio buttons in the group. | System.Windows.Forms.RadioButton.Checked |
| IsDlgButtonChecked | Determines whether a button control has a check mark next to it or whether a three-state button control is grayed, checked, or neither. | System.Windows.Forms.CheckBox.CheckState |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Clipboard Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CountClipboardFormats | Retrieves the number of different data formats currently on the clipboard. | System.Windows.Forms.DataObject.GetFormats |
| EnumClipboardFormats | Enumerates the data formats currently available on the clipboard. | System.Windows.Forms.DataObject.GetFormats |
| GetClipboardData | Retrieves data from the clipboard in a specified format. | System.Windows.Forms.ClipBoard.GetDataObject |
| IsClipboardFormatAvailable | Determines whether the clipboard contains data in the specified format. | System.Windows.Forms.DataObject.GetDataPresent |
| RegisterClipboardFormat | Registers a new clipboard format. | System.Windows.Forms.DataFormats.GetFormat |
| SetClipboardData | Places data on the clipboard in a specified clipboard format. | System.Windows.Forms.ClipBoard.SetDataObject |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Clipping Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ExcludeClipRect | Creates a new clipping region that consists of the existing clipping region minus the specified rectangle. | System.Drawing.Graphics.ExcludeClip |
| ExtSelectClipRgn | Combines the specified region with the current clipping region using the specified mode. | System.Drawing.Graphics.SetClip |
| GetClipBox | Retrieves the dimensions of the tightest bounding rectangle that can be drawn around the current visible area on the device. | System.Drawing.Graphics.VisibleClipBounds |
| GetClipRgn | Retrieves a handle identifying the current application-defined clipping region for the specified device context. | System.Drawing.Graphics.Clip |
| IntersectClipRect | Creates a new clipping region from the intersection of the current clipping region and the specified rectangle. | System.Drawing.Graphics.IntersectClip |
| OffsetClipRgn | Moves the clipping region of a device context by the specified offsets. | System.Drawing.Graphics.TranslateClip |
| PtVisible | Determines whether the specified point is within the clipping region of a device context. | System.Drawing.Graphics.IsVisible |
| RectVisible | Determines whether any part of the specified rectangle lies within the clipping region of a device context. | System.Drawing.Graphics.IsVisible |
| SelectClipPath | Selects the current path as a clipping region for a device context, combining the new region with any existing clipping region by using the specified mode. | System.Drawing.Graphics.SetClip |
| SelectClipRgn | Selects a region as the current clipping region for the specified device context. | System.Drawing.Graphics.Clip |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Color Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateHalftonePalette | Creates a halftone palette for the specified device context. | System.Drawing.Graphics.GetHalftonePalette |
| CreatePalette | Creates a logical palette. | System.Drawing.Image.Palette |
| GetNearestColor | Retrieves a color value identifying a color from the system palette that will be displayed when the specified color value is used. | System.Drawing.Graphics.GetNearestColor |
| GetPaletteEntries | Retrieves a specified range of palette entries from the given logical palette. | System.Drawing.Image.Palette.Entries |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Combo Box Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| DlgDirListComboBox | Replaces the contents of a combo box with the names of specified subdirectories and files. | System.Windows.Forms.ComboBox.Items.AddRange(System.IO.Directory.GetFileSystemEntries) |
| DlgDirSelectComboBoxEx | Retrieves the current selection from a combo box filled by using DlgDirListComboBox. | System.Windows.Forms.ComboBox.SelectedItem |
| GetComboBoxInfo | Retrieves information about a specified combo box. | System.Windows.Forms.ComboBox properties |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Common Dialog Box Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ChooseColor | Creates a Color dialog box that enables the user to select a color. | System.Windows.Forms.ColorDialog constructor
Note Dialog cannot be modified through a hook. |
| ChooseFont | Creates a Font dialog box that enables the user to choose attributes for a logical font. | System.Windows.Forms.FontDialog constructor
Note Dialog cannot be modified through a hook. |
| GetFileTitle | Retrieves the name of the specified file. | System.IO.FileInfo.Name
Note Does not take user preferences into account. |
| GetOpenFileName | Creates an Open dialog box that lets the user specify the drive, directory, and name of a file or set of files to open. | System.Windows.Forms.OpenFileDialog.ShowDialog
Note Dialog cannot be modified through a hook. |
| GetSaveFileName | Creates a Save dialog box that lets the user specify the drive, directory, and name of a file to save. | System.Windows.Forms.SaveFileDialog.ShowDialog
Note Dialog cannot be modified through a hook. |
| PageSetupDlg | Creates a Page Setup dialog box that enables the user to specify the attributes of a printed page. | System.Windows.Forms.PageSetupDialog.ShowDialog
Note Dialog cannot be modified through a hook. |
| PrintDlg | Displays a Print dialog box. | System.Windows.Forms.PrintDialog.ShowDialog
Note Dialog cannot be modified through a hook. |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Console Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetStdHandle | Retrieves a handle for the standard input, standard output, or standard error device. | System.Console.OpenStandardIn System.Console.OpenStandardOut System.Console.OpenStandardError |
| ReadConsole | Reads character input from the console input buffer and removes it from the buffer. | System.Console.Read |
| SetStdHandle | Sets the handle for the standard input, standard output, or standard error device. | System.Console.SetIn System.Console.SetOut System.Console.SetError |
| WriteConsole | Writes a character string to a console screen buffer beginning at the current cursor location. | System.Console.Write |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Coordinate Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ClientToScreen | Converts the client-area coordinates of a specified point to screen coordinates. | System.Windows.Forms.Form.PointToScreen |
| CombineTransform | Concatenates two world-space to page-space transformations. | System.Drawing.Drawing2D.Matrix.Multiply |
| DPtoLP | Converts device coordinates into logical coordinates. | System.Drawing.Graphics.TransformPoints |
| GetMapMode | Retrieves the current mapping mode. | System.Drawing.Graphics.PageUnit |
| GetWindowExtEx | Retrieves the x-extent and y-extent of the window for the specified device context. | System.Drawing.Graphics.PageScale |
| GetWindowOrgEx | Retrieves the x-coordinates and y-coordinates of the window origin for the specified device context. | System.Drawing.Graphics.Transform.OffsetX System.Drawing.Graphics.Transform.OffsetY |
| GetWorldTransform | Retrieves the current world-space to page-space transformation. | System.Drawing.Graphics.Transform |
| LPtoDP | Converts logical coordinates into device coordinates. | System.Drawing.Graphics.TransformPoints |
| ModifyWorldTransform | Changes the world transformation for a device context using the specified mode. | System.Drawing.Graphics.Transform |
| OffsetViewportOrgEx | Modifies the viewport origin for a device context using the specified horizontal and vertical offsets. | System.Drawing.Graphics.TranslateTransform |
| OffsetWindowOrgEx | Modifies the window origin for a device context using the specified horizontal and vertical offsets. | System.Drawing.Graphics.TranslateTransform |
| ScreenToClient | Converts the screen coordinates of a specified point on the screen-to-client coordinates. | System.Windows.Forms.Form.PointToClient |
| SetMapMode | Sets the mapping mode of the specified device context. | System.Drawing.Graphics.PageUnit |
| SetWindowExtEx | Sets the horizontal and vertical extents of the window for a device context by using the specified values. | System.Drawing.Graphics.PageScale Drawing.Graphics.ScaleTransform |
| SetWindowOrgEx | Specifies which window point maps to the viewport origin (0,0). | System.Drawing.Graphics.TranslateTransform |
| SetWorldTransform | Sets a two-dimensional linear transformation between world space and page space for the specified device context. | System.Drawing.Graphics.Transform |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Cursor Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ClipCursor | Confines the cursor to a rectangular area on the screen. | System.Windows.Forms.Cursor.Clip |
| CopyCursor | Copies the specified cursor. | System.Windows.Forms.Cursor.CopyHandle |
| CreateCursor | Creates a cursor having the specified size, bit patterns, and hot spot. | System.Windows.Forms.Cursor constructor System.Windows.Forms.Cursor.Size System.Windows.Forms.Cursor.Position |
| DestroyCursor | Destroys a cursor. | System.Windows.Forms.Cursor.Dispose |
| GetClipCursor | Retrieves the screen coordinates of the rectangular area to which the cursor is confined. | System.Windows.Forms.Cursor.Clip |
| GetCursor | Retrieves a handle to the current cursor. | System.Windows.Forms.Cursor.Handle |
| GetCursorInfo | Retrieves information about the global cursor. | System.Windows.Forms.Cursor.Position System.Windows.Forms.SystemInformation.CursorSize |
| GetCursorPos | Retrieves the cursor's position. | System.Windows.Forms.Control.MousePosition System.Windows.Forms.Cursor.Position |
| LoadCursor | Loads a cursor resource from an executable file. | System.Windows.Forms.Cursor constructor |
| LoadCursorFromFile | Creates a cursor based on data contained in a file. | System.Windows.Forms.Cursor constructor |
| SetCursor | Sets the cursor shape. | System.Windows.Forms.Cursor.Current |
| SetCursorPos | Moves the cursor to the specified screen coordinates. | System.Windows.Forms.Cursor.Position |
| ShowCursor | Displays or hides the cursor. | System.Windows.Forms.Cursor.Show Windows.Forms.Cursor.Hide |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Debugging Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| DebugActiveProcess | Enables a debugger to attach to an active process and debug it. | System.Diagnostics.Debugger.Launch |
| DebugBreak | Causes a breakpoint exception to occur in the current process. | System.Diagnostics.Debugger.Break |
| IsDebuggerPresent | Determines whether the calling process is running under the context of a debugger. | System.Diagnostics.Debugger.IsAttached |
| OutputDebugString | Sends a string to the debugger for display. | System.Diagnostics.Debugger.Log |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Device Context Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ChangeDisplaySettings | Changes the settings of the default display device to the specified graphics mode. | System.Management.ManagementClass("Win32_VideoController") |
| ChangeDisplaySettingsEx | Changes the settings of the specified display device to the specified graphics mode. | System.Management.ManagementClass("Win32_VideoController") |
| DeviceCapabilities | Retrieves the capabilities of a printer device driver. | System.Drawing.Printing.PageSettings System.Drawing.Printing.PrinterSettings |
| EnumDisplayDevices | Retrieves information about the display devices in a system. | System.Management.ManagementClass("Win32_DesktopMonitor") |
| EnumDisplaySettings | Retrieves information about one of the graphics modes for a display device. | System.Management.ManagementClass("CIM_VideoControllerResolution") |
| GetDC | Retrieves a handle to a display device context for the client area of a specified window or for the entire screen. | To retrieve a Graphics object, use any of the following: System.Drawing.Graphics.FromHwnd(Windows.Forms.Control.Handle) System.Drawing.Printing.PrintPageEventArgs.Graphics System.Windows.Forms.PaintEventArgs.Graphics To explicitly retrieve a handle, use the following: |
| GetDCEx | Retrieves a handle to a display device context for the client area of a specified window or for the entire screen. | To retrieve a Graphics object, use any of the following: System.Drawing.Graphics.FromHwnd(Windows.Forms.Control.Handle) System.Drawing.Printing.PrintPageEventArgs.Graphics System.Windows.Forms.PaintEventArgs.Graphics To explicitly retrieve a handle, use the following: |
| GetDeviceCaps | Retrieves device-specific information for the specified device. | System.Drawing.Graphics properties System.Drawing.Printing.PrinterSettings System.Management classes |
| GetLayout | Retrieves the layout of a device context. | System.Windows.Forms.Control.RightToLeft |
| GetObject | Retrieves information for the specified graphics object. | System.Drawing.Bitmap properties System.Drawing.Brush properties System.Drawing.Font properties System.Drawing.Pen properties |
| GetObjectType | Retrieves the type of the specified object. | System.Object.GetType |
| GetStockObject | Retrieves a handle to one of the stock pens, brushes, fonts, or palettes. | System.Drawing.Brushes System.Drawing.Pens |
| ReleaseDC | Releases a device context, freeing it for use by other applications. | System.Drawing.Graphics.ReleaseHdc |
| SetLayout | Sets the layout for a device context. | System.Windows.Forms.Control.RightToLeft = System.Windows.Forms.RightToLeft.Yes |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Dialog Box Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateDialog | Creates a modeless dialog box from a dialog box template resource. | System.Windows.Forms.Form constructor System.Windows.Forms.Form properties |
| CreateDialogIndirect | Creates a modeless dialog box from a dialog box template in memory. | System.Windows.Forms.Form constructor System.Windows.Forms.Form properties |
| DefDlgProc | Calls the default dialog box window procedure to provide default processing for any window messages that a dialog box with a private window class does not process. | System.Windows.Forms.Form.DefWndProc |
| DialogBox | Creates a modal dialog box from a dialog box template resource. | System.Windows.Forms.Form constructor System.Windows.Forms.Form.ShowDialog |
| DialogBoxIndirect | Creates a modal dialog box from a dialog box template in memory. | System.Windows.Forms.Form constructor System.Windows.Forms.Form.ShowDialog |
| DialogProc | An application-defined callback function used with the CreateDialog and DialogBox families of functions. | System.Windows.Forms.Form.WndProc |
| EndDialog | Destroys a modal dialog box. | System.Windows.Forms.Form.Close |
| GetDlgCtrlID | Retrieves the identifier of the specified control. | System.Windows.Forms.Form.Controls.IndexOf |
| GetDlgItem | Retrieves a handle to a control in the specified dialog box. | System.Windows.Forms.Form.Controls.Item |
| GetDlgItemInt | Translates the text of a specified control in a dialog box into an integer value. | System.Int32.Parse(Form.Text) System.UInt32.Parse(Form.Text) |
| GetDlgItemText | Retrieves the title or text associated with a control in a dialog box. | System.Windows.Forms.Form.Controls.Item[].Text |
| GetNextDlgGroupItem | Retrieves a handle to the first control in a group of controls that precedes (or follows) the specified control. | Iterate through the controls: System.Windows.Forms.Form.Controls.Item Remember to determine whether the control is active by referencing the Enabled and Visible properties of the control. Note The order that the controls are presented in might not be the same order in which GetNextDlgGroupItem presents the controls. |
| GetNextDlgTabItem | Retrieves a handle to the first control that has the WS_TABSTOP style that precedes (or follows) the specified control. | Iterate through the controls: System.Windows.Forms.Form.Controls.Item Remember to determine whether the control is active by referencing the Enabled, Visible, and TabStop properties of the control. Note The order that the controls are presented in might not be the same order in which GetNextDlgGroupItem presents the controls. |
| MessageBox | Creates, displays, and operates a message box. | System.Windows.Forms.MessageBox.Show |
| MessageBoxEx | Creates, displays, and operates a message box. | System.Windows.Forms.MessageBox.Show |
| MessageBoxIndirect | Creates, displays, and operates a message box. | System.Windows.Forms.MessageBox.Show |
| SendDlgItemMessage | Sends a message to the specified control in a dialog box. | System.Windows.Forms.Form.WndProc(System.Windows.Forms.Message) |
| SetDlgItemInt | Sets the text of a control in a dialog box to the string representation of a specified integer value. | System.Windows.Forms.Control.Text = System.Int32.ToString |
| SetDlgItemText | Sets the title or text of a control in a dialog box. | System.Windows.Forms.Control.Text |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Dynamic-Link Library Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetModuleFileName | Retrieves the full path and file name for the file containing the specified module. | System.Reflection.Module.FullyQualifiedName |
| GetModuleHandle | Retrieves a module handle for the specified module. | System.Runtime.InteropServices.Marshal.GetHINSTANCE |
| LoadLibrary | Maps the specified executable module into the address space of the calling process. | Any of the following: System.Reflection.Assembly.Load System.Reflection.Assembly.LoadFrom System.Reflection.Assembly.LoadWithPartialName |
| LoadLibraryEx | Maps the specified executable module into the address space of the calling process. | Any of the following: System.Reflection.Assembly.Load System.Reflection.Assembly.LoadFrom System.Reflection.Assembly.LoadWithPartialName |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Error Handling Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| FatalAppExit | Displays a message box and terminates the application when the message box is closed. | System.Windows.Forms.MessageBox.Show System.Diagnostics.Process.Kill |
| GetLastError | Retrieves the calling thread's last-error code value. | System.Runtime.InteropServices.Marshall.GetLastWin32Error |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Event Logging Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ClearEventLog | Clears the specified event log, and optionally saves the current copy of the log file to a backup file. | System.Diagnostics.EventLog.Clear |
| CloseEventLog | Closes a read handle to the specified event log. | System.Diagnostics.EventLog.Close |
| DeregisterEventSource | Closes a write handle to the specified event log. | System.Diagnostics.EventLog.DeleteEventSource |
| GetNumberOfEventLogRecords | Retrieves the number of records in the specified event log. | System.Diagnostics.EventLog.Entries.Count |
| GetOldestEventLogRecord | Retrieves the absolute record number of the oldest record in the specified event log. | System.Diagnostics.EventLogEntryCollection[0] System.Diagnostics.EventLogEntry.TimeWritten |
| NotifyChangeEventLog | Enables an application to receive notification when an event is written to the specified event log file. | System.Diagnostics.EventLog.EnableRaisingEvents |
| OpenBackupEventLog | Opens a handle to a backup event log. | System.Diagnostics.EventLog constructor |
| OpenEventLog | Opens a handle to an event log. | System.Diagnostics.EventLog constructor |
| ReadEventLog | Reads a whole number of entries from the specified event log. | System.Diagnostics.EventLogEntryCollection.CopyTo |
| RegisterEventSource | Retrieves a registered handle to an event log. | System.Diagnostics.EventLog.CreateEventSource |
| ReportEvent | Writes an entry at the end of the specified event log. | System.Diagnostics.EventLog.WriteEntry |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
File I/O Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CopyFile | Copies an existing file to a new file. | Either of the following: System.IO.File.Copy IO.FileInfo.CopyTo |
| CreateDirectory | Creates a new directory. | Any of the following: System.IO.Directory.CreateDirectory System.IO.Directory.CreateSubdirectory System.IO.DirectoryInfo.Create |
| CreateFile | Creates or opens a file object. | System.IO.File class and System.IO.FileInfo class |
| DeleteFile | Deletes an existing file. | Any of the following: System.IO.Directory.Delete System.IO.DirectoryInfo.Delete System.IO.File.Delete System.IO.FileInfo.Delete |
| FileIOCompletionRoutine | An application-defined callback function used with ReadFileEx and WriteFileEx. | User defined. |
| FindClose | Closes the specified search handle. | See FindFirstFile and FindNextFile |
| FindCloseChangeNotification | Stops change notification handle monitoring. | System.IO.FileSystemWatcher.EnableRaisingEvents |
| FindFirstChangeNotification | Creates a change notification handle. | System.IO.FileSystemWatcher class |
| FindFirstFile | Searches a directory for a file whose name matches the specified file name. | Any of the following: System.IO.Directory.Exists System.IO.Directory.GetDirectories System.IO.Directory.GetFileSystemEntries System.IO.Directory.GetFiles System.IO.DirectoryInfo.Exists System.IO.DirectoryInfo.GetDirectories System.IO.DirectoryInfo.GetFileSystemInfos System.IO.DirectoryInfo.GetFiles System.IO.File.Exists System.IO.FileInfo.Exists |
| FindFirstFileEx | Searches a directory for a file whose name and attributes match the specified file name. | Same as FindFirstFile |
| FindNextChangeNotification | Requests that the operating system signal a change notification handle the next time it detects an appropriate change. | System.IO.FileSystemWatcher class |
| FindNextFile | Continues a file search. | Any of the following: System.IO.Directory.GetDirectories System.IO.Directory.GetFileSystemEntries System.IO.Directory.GetFiles System.IO.DirectoryInfo.GetDirectories System.IO.DirectoryInfo.GetFileSystemInfos System.IO.DirectoryInfo.GetFiles |
| FlushFileBuffers | Clears the buffers for the specified file and causes all buffered data to be written to the file. | System.IO.FileStream.Flush |
| GetBinaryType | Determines whether a file is executable. | System.IO.FileSystemInfo.Extension
Note Only manipulates strings; does not do a file-system check. |
| GetCurrentDirectory | Retrieves the current directory for the current process. | System.IO.Directory.GetCurrentDirectory |
| GetDriveType | Determines whether a disk drive is a removable, fixed, CD-ROM, RAM disk, or network drive. | System.Management.ManagementObject("Win32_LogicalDisk.DeviceID=\"C:\"").Get System.Management.ManagementObject.Properties System.IO.DriveInfo.DriveType |
| GetFileAttributes | Retrieves attributes for a specified file or directory. | Any of the following: System.IO.Directory.GetAttributes System.IO.File.GetAttributes System.IO.FileSystemInfo.Attributes |
| GetFileAttributesEx | Retrieves attributes for a specified file or directory. | Any of the following: System.IO.Directory.GetAttributes System.IO.File.GetAttributes System.IO.FileSystemInfo.Attributes |
| GetFileInformationByHandle | Retrieves file information for a specified file. | System.IO.FileInfo properties |
| GetFileSize | Retrieves the size of a specified file. | Either of the following: System.IO.FileInfo.Length System.IO.FileStream.Length |
| GetFileSizeEx | Retrieves the size of a specified file. | Either of the following: System.IO.FileInfo.Length System.IO.FileStream.Length |
| GetFullPathName | Retrieves the full path and file name of a specified file. | Either of the following: System.IO.FileSystemInfo.FullName System.IO.Path.GetFullPath |
| GetTempFileName | Creates a name for a temporary file. | System.IO.Path.GetTempFileName |
| GetTempPath | Retrieves the path of the directory designated for temporary files. | System.IO.Path.GetTempPath |
| LockFile | Locks a region in an open file. | System.IO.FileStream.Lock |
| LockFileEx | Locks a region in an open file for shared or exclusive access. | System.IO.FileStream.Lock |
| MoveFile | Moves an existing file or a directory. | Any of the following: System.IO.Directory.Move System.IO.DirectoryInfo.MoveTo System.IO.File.Move System.IO.FileInfo.MoveTo |
| ReadDirectoryChangesW | Retrieves information describing the changes occurring within a directory. | System.IO.FileSystemWatcher class |
| ReadFile | Reads data from a file, starting at the specified position. | Any of the following: System.IO.FileStream.BeginRead/EndRead System.IO.FileStream.Read System.IO.FileStream.ReadByte |
| ReadFileEx | Reads data from a file asynchronously. | System.IO.FileStream.BeginRead/EndRead |
| RemoveDirectory | Deletes an existing empty directory. | Either of the following: System.IO.Directory.Delete System.IO.DirectoryInfo.Delete |
| SearchPath | Searches for the specified file. | Any of the following: System.IO.Directory.Exists System.IO.Directory.GetDirectories System.IO.Directory.GetFileSystemEntries System.IO.Directory.GetFiles System.IO.DirectoryInfo.Exists System.IO.DirectoryInfo.GetDirectories System.IO.DirectoryInfo.GetFileSystemInfos System.IO.DirectoryInfo.GetFiles System.IO.File.Exists System.IO.FileInfo.Exists |
| SetCurrentDirectory | Changes the current directory for the current process. | System.IO.Directory.SetCurrentDirectory |
| SetEndOfFile | Moves the end-of-file position for the specified file. | System.IO.FileStream.SetLength |
| SetFileAttributes | Sets the attributes for a file. | System.IO.File.SetAttributes |
| SetFilePointer | Moves the file pointer of an open file. | Either of the following: System.IO.FileStream.Position System.IO.FileStream.Seek |
| SetFilePointerEx | Moves the file pointer of an open file. | Either of the following: System.IO.FileStream.Position System.IO.FileStream.Seek |
| UnlockFile | Unlocks a previously locked region in an open file. | System.IO.FileStream.Unlock |
| UnlockFileEx | Unlocks a previously locked region in an open file. | System.IO.FileStream.Unlock |
| WriteFile | Writes data to a file. | Any of the following: System.IO.FileStream.BeginWrite and EndWrite System.IO.FileStream.Write System.IO.FileStream.WriteByte System.IO.BinaryWriter.Write |
| WriteFileEx | Writes data to a file asynchronously. | System.IO.FileStream.BeginWrite and EndWrite |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
File System Functions
Used with file systems:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetDiskFreeSpace | Retrieves information about the specified disk, including the amount of free space on the disk. | System.Management.ManagementObject("Win32_LogicalDisk.DeviceID=\"C:\"").Get System.Management.ManagementObject.Properties |
| GetDiskFreeSpaceEx | Retrieves information about the specified disk, including the amount of free space on the disk. | System.Management.ManagementObject("Win32_LogicalDisk.DeviceID=\"C:\"").Get System.Management.ManagementObject.Properties |
| GetLogicalDriveStrings | Fills a buffer with strings that specify valid drives in the system. | Either of the following: System.Environment.GetLogicalDrives System.IO.Directory.GetLogicalDrives |
Used with an encrypted file system:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| DecryptFile | Decrypts an encrypted file or directory. | System.Security.Cryptography.CryptoStream.Read |
| EncryptFile | Encrypts a file or directory. | System.Security.Cryptography.CryptoStream.Write |
| FileEncryptionStatus | Retrieves the encryption status of the specified file. | System.IO.FileSystemInfo.Attributes |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Filled Shape Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| Chord | Draws an area bounded by an ellipse and a line segment. | System.Drawing.Graphics.DrawArc System.Drawing.Graphics.DrawLine |
| Ellipse | Draws an ellipse. | System.Drawing.Graphics.DrawEllipse System.Drawing.Graphics.FillEllipse |
| FillRect | Fills a rectangle using a brush. | System.Drawing.Graphics.FillRectangle |
| InvertRect | Inverts the color values of the pixels in a rectangle. | System.Windows.Forms.ControlPaint.DrawReversibleFrame System.Windows.Forms.ControlPaint.DrawReversibleLine |
| Pie | Draws a pie-shaped wedge bounded by an ellipse and two radials. | System.Drawing.Graphics.DrawPie System.Drawing.Graphics.FillPie |
| Polygon | Draws a polygon. | System.Drawing.Graphics.DrawPolygon System.Drawing.Graphics.FillPolygon |
| Rectangle | Draws a rectangle. | System.Drawing.Graphics.DrawRectangle System.Drawing.Graphics.FillRectangle |
| RoundRect | Draws a rectangle with rounded corners. | System.Drawing.Drawing2D.GraphicsPath.AddLines System.Drawing.Pen.LineJoin = System.Drawing.Pen.LineJoin.Round System.Drawing.Graphics.DrawPath System.Drawing.Graphics.FillPath |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Font and Text Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| AddFontMemResourceEx | Adds an embedded font to the system font table. | System.Drawing.Text.PrivateFontCollection.AddMemoryFont |
| AddFontResourceEx | Adds a private or non-enumerable font to the system font table. | System.Drawing.Text.PrivateFontCollection.AddFontFile |
| CreateFont | Creates a logical font. | System.Drawing.Font constructor |
| DrawText | Draws formatted text in a rectangle. | System.Drawing.Graphics.DrawString |
| DrawTextEx | Draws formatted text in a rectangle. | System.Drawing.Graphics.DrawString |
| EnumFontFamExProc | An application-defined callback function used with EnumFontFamiliesEx to process fonts. | System.Drawing.Text.InstalledFontCollection.Families |
| EnumFontFamiliesEx | Enumerates all fonts in the system with certain characteristics. | System.Drawing.Text.InstalledFontCollection.Families |
| ExtTextOut | Draws a character string. | System.Drawing.Graphics.DrawString |
| GetCharABCWidths | Gets the widths of consecutive characters from the TrueType font. | Get a Region[] for the characters: System.Drawing.Graphics.MeasureCharacterRanges; Determine the width of each Region: |
| GetCharABCWidthsFloat | Gets the widths of consecutive characters from the current font. | Get a Region[] for the characters: System.Drawing.Graphics.MeasureCharacterRanges; Determine the width of each Region: |
| GetCharWidth32 | Gets the widths of consecutive characters from the current font. | Get a Region[] for the characters: System.Drawing.Graphics.MeasureCharacterRanges; Determine the width of each Region: |
| GetCharWidthFloat | Gets the fractional widths of consecutive characters from the current font. | Get a Region[] for the characters: System.Drawing.Graphics.MeasureCharacterRanges; Determine the width of each Region: |
| GetOutlineTextMetrics | Gets text metrics for TrueType fonts. | System.Drawing.Font properties |
| GetTabbedTextExtent | Computes the width and height of a character string, including tabs. | System.Drawing.Graphics.MeasureString |
| GetTextAlign | Gets the text-alignment setting for a device context. | System.Drawing.StringFormat.Alignment System.Drawing.StringFormat.LineAlignment |
| GetTextColor | Gets the text color for a device context. | System.Drawing.SolidBrush.Color |
| GetTextExtentPoint32 | Computes the width and height of a string of text. | System.Drawing.Graphics.MeasureString |
| GetTextFace | Gets the name of the font that is selected into a device context. | System.Drawing.Font.Name |
| GetTextMetrics | Fills a buffer with the metrics for a font. | System.Drawing.Font properties |
| RemoveFontMemResourceEx | Removes a font whose source was embedded in a document from the system font table. | System.Drawing.Text.PrivateFontCollection.Dispose |
| RemoveFontResourceEx | Removes a private or non-enumerable font from the system font table. | System.Drawing.Text.PrivateFontCollection.Dispose |
| SetTextAlign | Sets the text-alignment flags for a device context. | System.Drawing.StringFormat.Alignment System.Drawing.StringFormat.LineAlignment |
| SetTextColor | Sets the text color for a device context. | Either of the following: System.Drawing.Brushes System.Drawing.SolidBrush.SolidBrush(Color) |
| TabbedTextOut | Writes a character string at a location, expanding tabs to specified values. | System.Drawing.Graphics.DrawString using System.Drawing.StringFormat.SetTabStops |
| TextOut | Writes a character string at a location. | System.Drawing.Graphics.DrawString |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Icon Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CopyIcon | Copies an icon from another module. | System.Drawing.Icon.FromHandle |
| CreateIcon | Creates an icon with a specified size, color, and bit pattern. | System.Drawing.Icon constructor |
| DestroyIcon | Destroys an icon. | System.Drawing.Icon.Dispose |
| DrawIcon | Draws an icon. | System.Drawing.Graphics.DrawIcon |
| DuplicateIcon | Creates a duplicate of a specified icon. | System.Drawing.Icon.Clone |
| LoadIcon | Loads an icon from the executable file associated with an application. | System.Drawing.Icon constructor |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Input Method Editor Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ImmAssociateContext | Associates the specified input context with the specified window. | Either of the following: System.Windows.Forms.Control.DefaultImeMode System.Windows.Forms.Control.ImeMode |
| ImmAssociateContextEx | Changes the association between the input method context and the specified window or its children. | Any of the following: System.Windows.Forms.Control.DefaultImeMode System.Windows.Forms.Control.ImeMode System.Windows.Forms.Control.ResetImeMode |
| ImmDisableIME | Disables the Input Method Editor. | System.Windows.Forms.Control.ImeMode = System.Windows.Forms.ImeMode.Disable |
| ImmGetContext | Retrieves the input context associated with the specified window. | System.Windows.Forms.Control.ImeMode |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Keyboard Accelerator Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| TranslateAccelerator | Processes accelerator keys for menu commands. | System.Windows.Forms.MenuItem.Shortcut |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Keyboard Input Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ActivateKeyboardLayout | Sets the input locale identifier for the calling thread or the current process. | System.Windows.Forms.InputLanguage.CurrentInputLanguage |
| EnableWindow | Enables or disables mouse and keyboard input to the specified window or control. | System.Windows.Forms.Control.Enabled |
| GetActiveWindow | Retrieves the window handle to the active window attached to the calling thread's message queue. | System.Windows.Forms.Form.ActiveForm |
| GetFocus | Retrieves the handle to the window that has the keyboard focus. | System.Windows.Forms.Control.Controls[].Focused |
| GetKeyboardLayout | Retrieves the active input locale identifier for the specified thread. | System.Windows.Forms.InputLanguage.CurrentInputLanguage |
| GetKeyboardLayoutList | Retrieves the input locale identifiers corresponding to the current set of input locales in the system. | System.Windows.Forms.InputLanguage.InstalledInputLanguages |
| GetKeyboardLayoutName | Retrieves the name of the active input locale identifier. | System.Windows.Forms.InputLanguage.LayoutName |
| GetKeyNameText | Retrieves a string that represents the name of a key. | System.Windows.Forms.KeyEventArgs.KeyCode.ToString |
| IsWindowEnabled | Determines whether the specified window is enabled for mouse and keyboard input. | System.Windows.Forms.Form.Enabled |
| SetActiveWindow | Activates a window. | System.Windows.Forms.Activate |
| SetFocus | Sets the keyboard focus to the specified window. | System.Windows.Forms.Form.Focus |
| ToAscii | Translates the specified virtual-key code and keyboard state to the corresponding character or characters. | System.Windows.Forms.KeyPressEventArgs.KeyChar |
| ToUnicode | Translates the specified virtual-key code and keyboard state to the corresponding Unicode character or characters. | System.Windows.Forms.KeyPressEventArgs.KeyChar |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Line and Curve Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| AngleArc | Draws a line segment and an arc. | System.Drawing.Graphics.DrawLine System.Drawing.Graphics.DrawArc |
| Arc | Draws an elliptical arc. | System.Drawing.Graphics.DrawArc |
| ArcTo | Draws an elliptical arc. | System.Drawing.Graphics.DrawArc |
| LineTo | Draws a line from the current position up to, but not including, the specified point. | System.Drawing.Graphics.DrawLine |
| PolyBezier | Draws one or more B&x00E9;zier curves. | System.Drawing.Graphics.DrawBeziers |
| Polyline | Draws a series of line segments by connecting the points in the specified array. | System.Drawing.Graphics.DrawLines |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
List Box Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| DlgDirList | Replaces the contents of a list box with the names of the subdirectories and files in a specified directory. | System.Windows.Forms.ListBox.Items.AddRange(System.IO.Directory.GetFileSystemEntries) |
| DlgDirSelectEx | Retrieves the current selection from a single-selection list box. | System.Windows.Forms.ListBox.SelectedItem |
| GetListBoxInfo | Retrieves information about the specified list box. | System.Windows.Forms.ListBox properties |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Memory Management Functions
Memory management functions:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GlobalMemoryStatus | Obtains information about the system's current usage of both physical and virtual memory. | System.Management.ManagementClass("Win32_OperatingSystem") System.Management.ManagementClass.GetInstances System.Management.ManagementObject.Properties |
| GlobalMemoryStatusEx | Obtains information about the system's current usage of both physical and virtual memory. | System.Management.ManagementClass("Win32_OperatingSystem") System.Management.ManagementClass.GetInstances System.Management.ManagementObject.Properties |
Global and local functions:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GlobalAlloc | Allocates the specified number of bytes from the heap. | System.Runtime.InteropServices.Marshall.AllocHGlobal |
| GlobalFree | Frees the specified global memory object. | System.Runtime.InteropServices.Marshall.FreeHGlobal |
| GlobalReAlloc | Changes the size or attributes of a specified global memory object. | System.Runtime.InteropServices.Marshall.ReAllocHGlobal |
| LocalAlloc | Allocates the specified number of bytes from the heap. | System.Runtime.InteropServices.Marshall.AllocHGlobal |
| LocalFree | Frees the specified local memory object. | System.Runtime.InteropServices.Marshall.FreeHGlobal |
| LocalReAlloc | Changes the size or the attributes of a specified local memory object. | System.Runtime.InteropServices.Marshall.ReAllocHGlobal |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Menu Functions
| Win32 function | Descriptions | .NET Framework API |
|---|---|---|
| AppendMenu | Appends an item to various menus and submenus. | System.Windows.Forms.Menu.MenuItemCollection.Add |
| CheckMenuItem | Checks or clears a menu item. | System.Windows.Forms.MenuItem.Checked |
| CheckMenuRadioItem | Checks a specified menu item and makes it a radio item. | System.Windows.Forms.MenuItem.RadioCheck |
| CreateMenu | Creates a menu. | Any of the following: System.Windows.Forms.ContextMenu constructor System.Windows.Forms.MainMenu constructor System.Windows.Forms.Menu.MenuItemCollection constructor |
| CreatePopupMenu | Creates a drop-down menu, submenu, or shortcut menu. | Either of the following: System.Windows.Forms.ContextMenu constructor System.Windows.Forms.Menu.MenuItemCollection constructor |
| DeleteMenu | Deletes a menu item. | System.Windows.Forms.Menu.MenuItemCollection.Remove |
| DestroyMenu | Deletes a menu. | System.Windows.Forms.Menu.Dispose |
| EnableMenuItem | Enables, disables, or grays a menu item. | System.Windows.Forms.MenuItem.Enabled |
| GetMenu | Gets a handle to the menu. | System.Windows.Forms.Form.Menu.Handle |
| GetMenuBarInfo | Gets information about a menu bar. | System.Windows.Forms.Form.Menu |
| GetMenuCheckMarkDimensions | Returns the dimensions of the default check-mark bitmap. | System.Windows.Forms.SystemInformation.MenuCheckSize |
| GetMenuDefaultItem | Gets the default menu item on a menu. | System.Windows.Forms.MenuItem.DefaultItem |
| GetMenuInfo | Gets information about a menu. | System.Windows.Forms.MenuItem properties |
| GetMenuItemCount | Gets the number of items in a menu. | System.Windows.Forms.Menu.MenuItemCollection.Count |
| GetMenuItemID | Gets the identifier of a menu item. | System.Windows.Forms.MenuItem.MenuID |
| GetMenuItemInfo | Gets information about a menu item. | System.Windows.Forms.MenuItem properties |
| GetMenuItemRect | Gets the bounding rectangle for a menu item. | System.Windows.Forms.MenuItem.DrawItem System.Windows.Forms.DrawItemEventArgs.Bounds |
| GetMenuState | Gets the menu flags associated with a menu item. | System.Windows.Forms.MenuItem.Break System.Windows.Forms.MenuItem.BarBreak System.Windows.Forms.MenuItem.Checked System.Windows.Forms.MenuItem.Enabled System.Windows.Forms.MenuItem.OwnerDraw |
| GetMenuString | Copies the text string of a menu item into a buffer. | System.Windows.Forms.MenuItem.Text |
| GetSubMenu | Gets a handle to the drop-down menu or submenu activated by a menu item. | System.Windows.Forms.Menu.MenuItems[].Handle |
| InsertMenu | Inserts a new menu item into a menu. | System.Windows.Forms.Menu.MenuItemCollection.Add |
| InsertMenuItem | Inserts a new menu item in a menu. | System.Windows.Forms.Menu.MenuItemCollection.Add |
| ModifyMenu | Changes an existing menu item. | System.Windows.Forms.MenuItem.Break System.Windows.Forms.MenuItem.BarBreak System.Windows.Forms.MenuItem.Checked System.Windows.Forms.MenuItem.Enabled System.Windows.Forms.MenuItem.OwnerDraw System.Windows.Forms.MenuItem.Text |
| RemoveMenu | Deletes a menu item or detaches a submenu from a menu. | System.Windows.Forms.Menu.MenuItemCollection.Remove |
| SetMenu | Assigns a new menu to a window. | System.Windows.Forms.Form.Menu |
| SetMenuDefaultItem | Sets the default menu item for a menu. | System.Windows.Forms.MenuItem.DefaultItem |
| SetMenuInfo | Sets information for a menu. | System.Windows.Forms.MenuItem properties |
| SetMenuItemBitmaps | Associates a bitmap with a menu item. | System.Windows.Forms.MenuItem.DrawItem |
| SetMenuItemInfo | Changes information about a menu item. | System.Windows.Forms.MenuItem properties |
| TrackPopupMenu | Displays a shortcut menu at a location and tracks item selection on a menu. | System.Windows.Forms.ContextMenu.Show |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Message and Message Queue Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetMessagePos | Retrieves the position of the cursor for the last message retrieved by GetMessage. | Inside an event handler: System.Windows.Forms.Windows.Forms.Control.MousePosition |
| PostQuitMessage | Indicates to the system that a thread has made a request to terminate (quit). | System.Windows.Forms.Application.ExitThread |
| SendMessage | Sends the specified message to a window or windows. | Any of the following: System.Windows.Forms.Control.DefWndProc System.Windows.Forms.Control.WndProc System.Windows.Forms.Form.DefWndProc System.Windows.Forms.Form.WndProc |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Metafile Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CopyEnhMetaFile | Copies the contents of an enhanced-format metafile to a specified file. | System.Drawing.Imaging.Metafile.Save |
| CreateEnhMetaFile | Creates a device context for an enhanced-format metafile. | System.Drawing.Imaging.Metafile constructor |
| DeleteEnhMetaFile | Deletes an enhanced-format metafile or an enhanced-format metafile handle. | System.Drawing.Imaging.Metafile.Dispose |
| EnhMetaFileProc | An application-defined callback function used with EnumEnhMetaFile. | System.Drawing.Graphics.EnumerateMetafileProc |
| EnumEnhMetaFile | Enumerates the records within an enhanced-format metafile. | System.Drawing.Graphics.EnumerateMetafile |
| GdiComment | Copies a comment from a buffer into a specified enhanced-format metafile. | System.Drawing.Graphics.AddMetafileComment |
| GetEnhMetaFile | Creates a handle that identifies the enhanced-format metafile stored in the specified file. | System.Drawing.Imaging.Metafile constructor |
| GetEnhMetaFileBits | Retrieves the contents of the specified enhanced-format metafile and copies it into a buffer. | System.Drawing.Imaging.Metafile.Save |
| GetEnhMetaFileHeader | Retrieves the record containing the header for the specified enhanced-format metafile. | System.Drawing.Imaging.Metafile.GetMetafileHeader |
| GetEnhMetaFilePaletteEntries | Retrieves optional palette entries from the specified enhanced metafile. | System.Drawing.Imaging.Metafile.Palette.Entries |
| GetWinMetaFileBits | Converts the enhanced-format records from a metafile into Windows-format records. | System.Drawing.Imaging.Metafile.Save |
| PlayEnhMetaFile | Displays the picture stored in the specified enhanced-format metafile. | System.Drawing.Graphics.DrawImage |
| PlayEnhMetaFileRecord | Plays an enhanced-metafile record by executing the graphics device interface functions identified by the record. | System.Drawing.Imaging.Metafile.PlayRecord System.Drawing.Imaging.PlayRecordCallback |
| SetEnhMetaFileBits | Creates a memory-based enhanced-format metafile from the specified data. | System.Drawing.Imaging.Metafile.Save |
| SetWinMetaFileBits | Converts a metafile from the older Windows format to the new enhanced format. | System.Drawing.Imaging.Metafile.Save |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Mouse Input Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetDoubleClickTime | Gets the double-click time for the mouse. | System.Windows.Forms.SystemInformation.DoubleClickTime |
| mouse_event | Synthesizes mouse motion and button clicks. | System.Windows.Forms.MouseEventArgs |
| ReleaseCapture | Releases the mouse capture and restores mouse input processing. | System.Windows.Forms.Control.Capture |
| SetCapture | Sets the mouse capture to a window. | System.Windows.Forms.Control.Capture |
| TrackMouseEvent –or– _TrackMouseEvent |
Posts messages when a mouse leaves a window or hovers over a window. | System.Windows.Forms.Control.OnMouseLeave System.Windows.Forms.Control.OnMouseHover |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Multiple Display Monitor Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetMonitorInfo | Retrieves information about a display monitor. | System.Windows.Forms.Screen.Bounds System.Windows.Forms.Screen.Primary System.Windows.Forms.Screen.WorkingArea |
| MonitorFromPoint | Retrieves a handle to the display monitor that contains a specified point. | System.Windows.Forms.Screen.FromPoint |
| MonitorFromRect | Retrieves a handle to the display monitor that has the largest area of intersection with a specified rectangle. | System.Windows.Forms.Screen.FromRectangle |
| MonitorFromWindow | Retrieves a handle to the display monitor that has the largest area of intersection with the bounding rectangle of a specified window. | System.Windows.Forms.Screen.FromHandle |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Multiple-Document Interface Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateMDIWindow | Creates a multiple-document interface (MDI) child window. | System.Windows.Forms.Form constructor System.Windows.Forms.Form.AutoScroll System.Windows.Forms.Form.DesktopBounds System.Windows.Forms.Form.MdiParent System.Windows.Forms.Form.WindowState |
| TranslateMDISysAccel | Processes accelerator keystrokes for window menu commands of the MDI child windows associated with the specified MDI client window. | Keyboard events for MDI children are automatically translated. |
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Hierarchical Win32 Category List
National Language Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ConvertDefaultLocale | Converts a default locale value to an actual locale identifier. | System.Globalization.CultureInfo.CurrentCulture System.Globalization.CultureInfo.InstalledUICulture |
| EnumCalendarInfo | Enumerates calendar information for a specified locale. | Access the System.Globalization.CultureInfo.DateTimeFormat property to get a System.Globalization.DateTimeFormatInfo object, and then access its properties: System.Globalization.DateTimeFormatInfo.AbbreviatedDayNames System.Globalization.DateTimeFormatInfo.AbbreviatedMonthNames System.Globalization.DateTimeFormatInfo.DayNames System.Globalization.DateTimeFormatInfo.LongDatePattern System.Globalization.DateTimeFormatInfo.MonthNames System.Globalization.DateTimeFormatInfo.ShortDatePattern |
| EnumCalendarInfoEx | Enumerates calendar information for a specified locale. | Iterate through the calendars: System.Globalization.CultureInfo.DateTimeFormat.Calendar = System.Globalization.CultureInfo.OptionalCalendars[i] |
| EnumCalendarInfoProc | An application-defined function used with EnumCalendarInfo. | Same as EnumCalendarInfo |
| EnumCalendarInfoProcEx | An application-defined function used with EnumCalendarInfoEx. | Same as EnumCalendarInfoEx |
| EnumCodePagesProc | An application-defined function used with EnumSystemCodePages. | Same as EnumSystemCodePages |
| EnumDateFormats | Enumerates the long or short date formats that are available for a specified locale. | System.DateTime.GetDateTimeFormats(System.Globalization.CultureInfo) |
| EnumDateFormatsEx | Enumerates the long or short date formats that are available for a specified locale, including date formats for any alternate calendars. | Iterate through the calendars: System.Globalization.CultureInfo.DateTimeFormat.Calendar = System.Globalization.CultureInfo.OptionalCalendars[i]; System.DateTime.GetDateTimeFormats(System.Globalization.CultureInfo) |
| EnumDateFormatsProc | An application-defined function used with EnumDateFormats. | Same as EnumDateFormats |
| EnumDateFormatsProcEx | An application-defined function used with EnumDateFormatsEx. | Same as EnumDateFormatsEx |
| EnumGeoInfoProc | A callback function used with EnumSystemGeoID. | Same as EnumSystemGeoID |
| EnumLocalesProc | An application-defined function used with EnumSystemLocales. | Same as EnumSystemLocales |
| EnumSystemCodePages | Enumerates the code pages that are either installed on or supported by a system. | System.Globalization.CultureInfo.GetCultures(System.Globalization.CultureTypes.AllCultures) returns an array of CultureInfo
The various code page properties of System.Globalization.CultureInfo.TextInfo |
| EnumSystemGeoID | Enumerates all GeoIDs on the system. | Retrieve an array of CultureInfo by calling System.Globalization.CultureInfo.GetCultures(System.Globalization.CultureTypes.AllCultures), and then access the following CultureInfo properties: System.Globalization.CultureInfo.ThreeLetterISOLanguageName System.Globalization.CultureInfo.ThreeLetterWindowsLanguageName System.Globalization.CultureInfo.TwoLetterISOLanguageName |
| EnumSystemLocales | Enumerates the locales that are either installed on or supported by a system. | System.Globalization.CultureInfo.GetCultures(System.Globalization.CultureTypes.SpecificCultures) System.Globalization.CultureInfo.GetCultures(System.Globalization.CultureTypes.InstalledWin32Cultures) |
| EnumTimeFormats | Enumerates the time formats that are available for a specified locale. | System.DateTime.GetDateTimeFormats |
| EnumTimeFormatsProc | An application-defined function used with EnumTimeFormats. | Same as EnumTimeFormats |
| GetACP | Retrieves the current ANSI code-page identifier for the system. | System.Globalization.CultureInfo.InstalledUICulture.TextInfo.ANSICodePage |
| GetCalendarInfo | Retrieves information about a calendar. | System.Globalization.CultureInfo.DateTimeFormat |
| GetCurrencyFormat | Formats a number string as a currency string for a specified locale. | Create a System.Globalization.CultureInfo object using the constructor, specifying either the culture name or identifier (or use the current culture of the application available on System.Threading.Thread.CurrentCulture); call System.Convert.ToDouble(str) where str is the numeric string you want to format; and then call System.Double.ToString("C", ci) (or System.Double.ToString("C") to use the current culture), where C is the standard currency format specifier and ci is the CultureInfo object you created Note For more information on the variety of formatting options available in the .NET Framework, see System.String.Format. |
| GetDateFormat | Formats a date as a date string for a specified locale. | System.DateTime(…, CultureInfo(LCID).Calendar).ToString |
| GetLocaleInfo | Retrieves information about a locale. | System.Globalization.CultureInfo.DateTimeFormat System.Globalization.CultureInfo.NumberFormat System.Globalization.CultureInfo.TextInfo |
| GetNumberFormat | Formats a number string as a number string customized for a specified locale. | Create a System.Globalization.CultureInfo object using the constructor, specifying either the culture name or identifier (or use the current culture of the application available on System.Threading.Thread.CurrentCulture); call System.Convert.ToDouble(str). where str is the numeric string you want to format; and then call System.Double.ToString("N", ci) (or System.Double.ToString("N") to use the current culture), where N is the standard number format specifier and ci is the CultureInfo object you created Note For more information on the variety of formatting options available in the .NET Framework, see System.String.Format. |
| GetOEMCP | Retrieves the current original equipment manufacturer (OEM) code-page identifier for the system. | System.Globalization.CultureInfo.InstalledUICulture.TextInfo.OEMCodePage |
| GetSystemDefaultLangID | Retrieves the language identifier of the system locale. | System.Globalization.CultureInfo.InstalledUICulture |
| GetSystemDefaultLCID | Retrieves the system default locale identifier. | System.Globalization.CultureInfo.InstalledUICulture |
| GetSystemDefaultUILanguage | Retrieves the language identifier for the default language of the system. | System.Globalization.CultureInfo.InstalledUICulture |
| GetThreadLocale | Retrieves the current locale for the calling thread. | Either of the following: System.Globalization.CultureInfo.CurrentCulture System.Threading.Thread.CurrentCulture |
| GetTimeFormat | Formats time as a time string for a specified locale. | System.DateTime(…, CultureInfo(LCID).Calendar).ToString |
| GetUserDefaultLangID | Retrieves the language identifier of the current user locale. | System.Globalization.CultureInfo.CurrentCulture |
| GetUserDefaultLCID | Retrieves the user default–locale identifier. | System.Globalization.CultureInfo.CurrentCulture |
| GetUserDefaultUILanguage | Retrieves the language identifier for the current user language. | System.Globalization.CultureInfo.CurrentUICulture |
| GetUserGeoID | Gets information about the user's location. | System.Globalization.RegionInfo |
| IsValidCodePage | Determines whether a specified code page is valid. | Use an array of CultureInfo objects returned by: System.Globalization.CultureInfo.GetCultures(System.Globalization.CultureTypes.AllCultures) Compare to the code page properties of System.Globalization.CultureInfo.TextInfo |
| IsValidLocale | Determines whether a specified locale identifier is valid. | try{ System.Globalization.CultureInfo(LCID) } |
| LCMapString | Maps one character string to another, performing a specified locale-dependent transformation. | System.Globalization.SortKey |
| SetCalendarInfo | Sets an item of locale information for a calendar. | System.Globalization.CultureInfo.DateTimeFormat |
| SetLocaleInfo | Sets an item of locale information. | System.Globalization.CultureInfo.DateTimeFormat System.Globalization.CultureInfo.NumberFormat |
| SetThreadLocale | Sets the current locale for the calling thread. | System.Threading.Thread.CurrentCulture
Note Sets langid only. |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Painting and Drawing Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| BeginPaint | Prepares a window for painting. | System.Windows.Forms.Form.OnPaint |
| DrawFrameControl | Draws a frame control. | System.Window.Forms.ControlPaint |
| GetBkColor | Returns the background color for a device context. | System.Windows.Forms.Form.BackColor |
| GetBkMode | Returns the background mix mode for a device context. | System.Windows.Forms.Form.GetStyle(ControlStyles.Opaque) |
| GetUpdateRect | Gets the coordinates of the smallest rectangle that encloses the update region of a window. | System.Windows.Forms.PaintEventArgs.ClipRectangle |
| GetWindowDC | Gets the device context for a window, including title bar, menus, and scroll bars. | Any of the following: System.Drawing.Graphics.FromHwnd(Windows.Forms.Control.Handle) System.Windows.Forms.Control.CreateGraphics.GetHdc System.Windows.Forms.PaintEventArgs.Graphics.GetHdc |
| GetWindowRgn | Gets a copy of the window region of a window. | System.Windows.Forms.Control.Region |
| GrayString | Draws gray text at a location. | System.Drawing.Graphics.DrawString(…, Drawing.Brushes.Gray, …) |
| InvalidateRect | Adds a rectangle to the update region of a window. | System.Windows.Forms.Control.Invalidate |
| InvalidateRgn | Invalidates the client area within a region. | System.Windows.Forms.Control.Invalidate(System.Windows.Forms.Form.ClientRectangle) |
| RedrawWindow | Updates a region in the client area of a window. | System.Windows.Forms.Control.Update |
| SetBkColor | Sets the background to a color value. | System.Windows.Forms.Form.BackColor |
| SetBkMode | Sets the background mix mode of a device context. | System.Windows.Forms.Form.SetStyle(System.Windows.Forms.ControlStyles.Opaque, System.Boolean) |
| SetWindowRgn | Sets the window region of a window. | System.Windows.Forms.Control.Region |
| UpdateWindow | Updates the client area of a window. | System.Windows.Forms.Control.Update |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Path Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CloseFigure | Closes an open figure in a path. | System.Drawing.Drawing2D.GraphicsPath.CloseFigure |
| FillPath | Closes any open figures in the current path and fills the interior of the path by using the current brush and polygon-filling mode. | System.Drawing.Graphics.FillPath System.Drawing.Drawing2D.GraphicsPath.CloseFigures |
| FlattenPath | Transforms any curves in the path that is selected into the current device context, turning each curve into a sequence of lines. | System.Drawing.Drawing2D.GraphicsPath.Flatten |
| GetMiterLimit | Retrieves the miter limit for the specified device context. | System.Drawing.Pen.MiterLimit |
| GetPath | Retrieves the coordinates defining the endpoints of lines and the control points of curves found in the path that is selected into the specified device context. | System.Drawing.Drawing2D.GraphicsPath.PathData |
| PathToRegion | Creates a region from the path that is selected into the specified device context. | System.Drawing.Region.Region(System.Drawing.Drawing2D.GraphicsPath) |
| SetMiterLimit | Sets the limit for the length of miter joins for the specified device context. | System.Drawing.Pen.MiterLimit |
| StrokeAndFillPath | Closes any open figures in a path, strokes the outline of the path by using the current pen, and fills its interior by using the current brush. | System.Drawing.Graphics.DrawPath System.Drawing.Graphics.FillPath System.Drawing.Drawing2D.GraphicsPath.CloseFigures |
| StrokePath | Renders the specified path by using the current pen. | System.Drawing.Graphics.DrawPath |
| WidenPath | Redefines the current path as the area that would be painted if the path were stroked using the pen currently selected into the given device context. | System.Drawing.Drawing2D.GraphicsPath.Widen |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Pen Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreatePen | Creates a logical pen that has the specified style, width, and color. | System.Drawing.Pen constructor |
| ExtCreatePen | Creates a logical cosmetic or geometric pen that has the specified style, width, and brush attributes. | System.Drawing.Pen constructor |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Performance Monitoring Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| PdhAddCounter | Initializes a counter structure for the specified counter in the specified query. | System.Diagnostics.PerformanceCounter constructor |
| PdhCalculateCounterFromRawValue | Computes the current value of a counter using the raw counter data passed in the parameter list. | System.Diagnostics.CounterSample.Calculate |
| PdhCloseLog | Closes the specified log file. | System.Diagnostics.EventLog.Close |
| PdhCloseQuery | Closes all counters contained in the specified query, closes all handles related to the query, and frees all memory associated with the query. | System.Diagnostics.PerformanceCounterCategory.Delete |
| PdhCollectQueryData | Collects the current raw data value for all counters in the specified query and updates the status code of each counter. | System.Diagnostics.PerformanceCounterCategory.ReadCategory |
| PdhEnumObjectItems | Returns the available counters and instances provided by the specified object on the specified computer. | System.Diagnostics.PerformanceCounterCategory.GetCounters System.Diagnostics.PerformanceCounterCategory.GetInstanceNames |
| PdhEnumObjects | Returns a list of objects available on the specified computer. | System.Diagnostics.PerformanceCounterCategory.GetCategories |
| PdhFormatFromRawValue | Converts one raw performance data value to the specified format or two raw performance data values if the format conversion is time-based. | System.Diagnostics.CounterSample.Calculate |
| PdhGetCounterInfo | Retrieves information about a counter, such as data size, counter type, path, and user-supplied data values. | System.Diagnostics.PerformanceCounter properties |
| PdhGetCounterTimeBase | Returns the time base of the specified counter. | System.Diagnostics.CounterSample.CounterFrequency |
| PdhGetFormattedCounterValue | Returns the current value of a specified counter in the format requested by the caller. | System.Diagnostics.PerformanceCounter.NextValue |
| PdhGetRawCounterArray | Returns an array of raw values from the specified counter. | System.Diagnostics.PerformanceCounterCategory.ReadCategory |
| PdhGetRawCounterValue | Returns the current raw value of the counter. | System.Diagnostics.PerformanceCounter.NextSample
Note System.Diagnostics.InstanceData holds the raw data. |
| PdhMakeCounterPath | Creates a full counter path using the members specified in the structure passed in the parameter list. | All of the following:
System.Diagnostics.PerformanceCounter.MachineName |
| PdhOpenLog | Opens the specified log file. | System.Diagnotics.EventLog constructor
Note Must explicitly handle writing to the log file. |
| PdhOpenQuery | Creates and initializes a unique query structure that is used to manage the collection of performance data. | System.Diagnostics.PerformanceCounterCategory constructor |
| PdhValidatePath | Validates that the specified counter is present on the computer that is specified in the counter path. | Either of the following: System.Diagnostics.PerformanceCounterCategory.Exists System.Diagnostics.PerformanceCounterCategory.InstanceExists |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Printing Functions
Functions used to print:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| AbortDoc | Stops the current print job and erases everything drawn since the last call to StartDoc. | System.Drawing.Printing.PrintPageEventArgs.Cancel |
| DeviceCapabilities | Retrieves the capabilities of a printer device driver. | System.Drawing.Printing.PrinterSettings.PrinterName System.Drawing.Printing.PrinterSettings properties |
| EndDoc | Ends a print job. | Either of the following: System.Drawing.Printing.PrintDocument.OnEndPrint System.Drawing.Printing.PrintController.OnEndPrint |
| EndPage | Notifies the device that the application has finished writing to a page. | System.Drawing.Printing.PrintController.OnEndPage |
| StartDoc | Starts a print job. | System.Drawing.Printing.PrintDocument.Print System.Drawing.Printing.PrintDocument.OnBeginPrint System.Drawing.Printing.PrintController.OnStartPrint |
| StartPage | Prepares the printer driver to accept data. | System.Drawing.Printing.PrintDocument.OnQueryPageSettings System.Drawing.Printing.PrintController.OnStartPage System.Drawing.Printing.PrintDocument.OnPrintPage |
Functions used to access the print spooler:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| DocumentProperties | Retrieves or modifies printer initialization information or displays a printer-configuration property sheet for the specified printer. | System.Windows.Forms.PageSetupDialog System.Windows.Forms.PrintDialog |
| EndPagePrinter | Notifies the print spooler that the application is at the end of a page in a print job. | System.Drawing.Printing.PrintPageEventArgs.HasMorePages |
| EnumForms | Enumerates the forms supported by the specified printer. | System.Drawing.Printing.PrinterSettings.PaperSizes |
| EnumPrinters | Enumerates available printers, print servers, domains, or print providers. | System.Drawing.Printing.PrinterSettings.InstalledPrinters |
| GetDefaultPrinter | Retrieves the printer name of the default printer for the current user on the local computer. | System.Drawing.Printing.PrinterSettings constructor System.Drawing.Printing.PrinterSettings.PrinterName |
| GetForm | Retrieves information about a specified form. | System.Drawing.Printing.PrinterSettings.PaperSizes[] |
| GetPrinter | Retrieves information about a specified printer. | System.Drawing.Printing.PrinterSettings.PrinterName System.Drawing.Printing.PrinterSettings properties |
| PrinterProperties | Displays a printer-properties property sheet for the specified printer. | System.Windows.Forms.PageSetupDialog System.Windows.Forms.PrintDialog |
| SetPrinter | Sets the data for a specified printer or sets the state of the specified printer by pausing printing, resuming printing, or clearing all print jobs. | System.Drawing.Printing.PrinterSettings.PrinterName System.Drawing.Printing.PrinterSettings properties |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Process and Thread Functions
Functions used with processes:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateProcess | Creates a new process and its primary thread. | System.Diagnostics.Process constructor System.Diagnostics.Process.Start |
| ExitProcess | Ends a process and all its threads. | System.Diagnostics.Process.CloseMainWindow |
| GetCommandLine | Retrieves the command-line string for the current process. | Either of the following: System.Environment.CommandLine System.Diagnostics.ProcessStartInfo.Arguments |
| GetCurrentProcess | Retrieves a pseudo handle for the current process. | System.Diagnostics.Process.Handle |
| GetCurrentProcessId | Retrieves the process identifier of the calling process. | System.Diagnostics.Process.Id |
| GetEnvironmentStrings | Retrieves the environment block for the current process. | System.Diagnostics.ProcessStartInfo.EnvironmentVariables |
| GetEnvironmentVariable | Retrieves the value of the specified variable from the environment block of the calling process. | System.Diagnostics.ProcessStartInfo.EnvironmentVariables[] |
| GetExitCodeProcess | Retrieves the termination status of the specified process. | System.Diagnostics.Process.ExitCode |
| GetPriorityClass | Retrieves the priority class for the specified process. | System.Diagnostics.Process.PriorityClass |
| GetProcessAffinityMask | Retrieves a process affinity mask for the specified process and the system affinity mask for the system. | System.Diagnostics.Process.ProcessorAffinity |
| GetProcessPriorityBoost | Retrieves the priority boost control state of the specified process. | System.Diagnostics.Process.PriorityBoostEnabled |
| GetProcessTimes | Retrieves timing information for the specified process. | System.Diagnostics.Process.ExitTime System.Diagnostics.Process.PrivilegedProcessorTime System.Diagnostics.Process.StartTime System.Diagnostics.Process.TotalProcessorTime System.Diagnostics.Process.UserProcessorTime |
| GetProcessWorkingSetSize | Retrieves the minimum and maximum working set sizes of the specified process. | System.Diagnostics.Process.MinWorkingSet System.Diagnostics.Process.MaxWorkingSet |
| GetStartupInfo | Retrieves the contents of the STARTUPINFO structure that was specified when the calling process was created. | System.Diagnostics.Process.StandardError System.Diagnostics.Process.StandardInput System.Diagnostics.Process.StandardOutput System.Diagnostics.Process.StartInfo.WindowStyle |
| OpenProcess | Opens an existing process object. | System.Diagnostics.Process.GetProcessById |
| SetEnvironmentVariable | Sets the value of an environment variable for the current process. | System.Diagnostics.ProcessStartInfo.EnvironmentVariables[] |
| SetPriorityClass | Sets the priority class for the specified process. | System.Diagnostics.Process.PriorityClass |
| SetProcessAffinityMask | Sets a processor affinity mask for the threads of a specified process. | System.Diagnostics.Process.ProcessorAffinity |
| SetProcessPriorityBoost | Disables the ability of the system to temporarily boost the priority of the threads of the specified process. | System.Diagnostics.Process.PriorityBoostEnabled |
| SetProcessWorkingSetSize | Sets the minimum and maximum working set sizes for the specified process. | System.Diagnostics.Process.MaxWorkingSet System.Diagnostics.Process.MinWorkingSet |
| TerminateProcess | Terminates the specified process and all of its threads. | System.Diagnostics.Process.Kill |
Functions used with threads:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateThread | Creates a thread to execute within the virtual address space of the calling process. | System.Threading.Thread constructor System.Threading.Thread.Start |
| GetCurrentThread | Retrieves a pseudo handle for the current thread. | System.Threading.Thread.CurrentThread |
| GetCurrentThreadId | Retrieves the thread identifier of the calling thread. | Either of the following: System.AppDomain.GetCurrentThreadId System.Diagnostics.ProcessThread.Id |
| GetThreadPriority | Retrieves the priority value for the specified thread. | Either of the following: System.Diagnostics.ProcessThread.PriorityLevel System.Threading.Thread.Priority |
| GetThreadPriorityBoost | Retrieves the priority boost control state of the specified thread. | System.Diagnostics.ProcessThread.PriorityBoostEnabled |
| GetThreadTimes | Retrieves timing information for the specified thread. | System.Diagnostics.ProcessThread.PrivilegedProcessorTime System.Diagnostics.ProcessThread.StartTime System.Diagnostics.ProcessThread.TotalProcessorTime System.Diagnostics.ProcessThread.UserProcessorTime |
| ResumeThread | Decrements the suspend count for a thread. | System.Threading.Thread.Resume |
| SetThreadAffinityMask | Sets a processor affinity mask for the specified thread. | System.Diagnostics.ProcessThread.ProcessorAffinity |
| SetThreadIdealProcessor | Specifies a preferred processor for a thread. | System.Diagnostics.ProcessThread.IdealProcessor |
| SetThreadPriority | Sets the priority value for the specified thread. | Either of the following: System.Diagnostics.ProcessThread.PriorityLevel System.Threading.Thread.Priority |
| SetThreadPriorityBoost | Enables or disables the ability of the system to temporarily boost the priority of a thread. | System.Diagnostics.ProcessThread.PriorityBoostEnabled |
| Sleep | Suspends the execution of the current thread for a specified interval. | System.Threading.Thread.Sleep |
| SuspendThread | Suspends the specified thread. | System.Threading.Thread.Suspend |
| SwitchToThread | Causes the calling thread to yield execution to another thread that is ready to run on the current processor. | System.Threading.Thread.Sleep(0) |
| TerminateThread | Terminates a thread. | System.Threading.Thread.Abort |
| ThreadProc | An application-defined function that serves as the starting address for a thread. | See System.Threading.ThreadStart delegate |
| TlsAlloc | Allocates a thread local storage (TLS) index. | System.Threading.Thread.AllocateNamedDataSlot |
| TlsFree | Releases a TLS index. | System.Threading.Thread.FreeNamedDataSlot |
| TlsGetValue | Retrieves the value in the calling thread's TLS slot for a specified TLS index. | System.Threading.Thread.GetData |
| TlsSetValue | Stores a value in the calling thread's TLS slot for a specified TLS index. | System.Threading.Thread.SetData |
| WaitForInputIdle | Waits until the specified process is waiting for user input with no input pending or until the time-out interval has elapsed. | System.Diagnostics.Process.WaitForInputIdle |
Functions used in thread pooling:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| BindIoCompletionCallback | Binds the specified file handle to the I/O completion port for the thread pool. | System.Threading.ThreadPool.BindHandle |
| QueueUserWorkItem | Queues a work item to a worker thread in the thread pool. | System.Threading.ThreadPool.QueueUserWorkItem System.Threading.ThreadPool.UnsafeQueueUserWorkItem |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
PSAPI Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| EnumProcesses | Retrieves the process identifier for each process object in the system. | System.Diagnostics.Process.GetProcesses |
| EnumProcessModules | Retrieves a handle for each module in the specified process. | System.Diagnostics.Process.Modules |
| GetModuleBaseName | Retrieves the base name for the specified module. | System.Diagnostics.ProcessModule.ModuleName |
| GetModuleFileNameEx | Retrieves the fully qualified path for the specified module. | Either of the following: System.Diagnostics.ProcessModule.FileName System.Reflection.Module.FullyQualifiedName |
| GetModuleInformation | Retrieves information about the specified module. | System.Diagnostics.ProcessModule |
| GetProcessMemoryInfo | Retrieves information about the memory usage of the specified process. | System.Diagnostics.Process.PagedMemorySize System.Diagnostics.Process.PeakPagedMemorySize System.Diagnostics.Process.PeakWorkingSet System.Diagnostics.Process.WorkingSet |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Rectangle Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| EqualRect | Determines whether the two specified rectangles are equal by comparing the coordinates of their upper-left and lower-right corners. | System.Drawing.Rectangle.Equals |
| InflateRect | Increases or decreases the width and height of the specified rectangle. | System.Drawing.Rectangle.Inflate |
| IntersectRect | Calculates the intersection of two source rectangles and places the coordinates of the intersection rectangle into the destination rectangle. | System.Drawing.Rectangle.Intersect |
| IsRectEmpty | Determines whether the specified rectangle is empty. | System.Drawing.Rectangle.IsEmpty |
| OffsetRect | Moves the specified rectangle by the specified offsets. | System.Drawing.Rectangle.Offset |
| PtInRect | Determines whether the specified point lies within the specified rectangle. | System.Drawing.Rectangle.Contains |
| SetRect | Sets the coordinates of the specified rectangle. | System.Drawing.Rectangle.FromLTRB |
| SetRectEmpty | Creates an empty rectangle in which all coordinates are set to zero. | System.Drawing.Rectangle.FromLTRB |
| UnionRect | Creates the union of two rectangles. | System.Drawing.Rectangle.Union |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Region Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CombineRgn | Combines two regions and stores the result in a third region. | System.Drawing.Region.Clone System.Drawing.Region.Exclude System.Drawing.Region.Intersect System.Drawing.Region.Union System.Drawing.Region.Xor |
| CreateEllipticRgn | Creates an elliptical region. | System.Drawing.Drawing2D.GraphicsPath constructor System.Drawing.Drawing2D.GraphicsPath.AddEllipse System.Drawing.Region.Region(System.Drawing.Drawing2D.GraphicsPath) |
| CreateEllipticRgnIndirect | Creates an elliptical region. | System.Drawing.Drawing2D.GraphicsPath constructor System.Drawing.Drawing2D.GraphicsPath.AddEllipse System.Drawing.Region.Region(System.Drawing.Drawing2D.GraphicsPath) |
| CreatePolygonRgn | Creates a polygonal region. | System.Drawing.Drawing2D.GraphicsPath constructor System.Drawing.Drawing2D.GraphicsPath.AddPolygon System.Drawing.Region.Region(System.Drawing.Drawing2D.GraphicsPath) |
| CreatePolyPolygonRgn | Creates a region consisting of a series of polygons. | System.Drawing.Drawing2D.GraphicsPath constructor System.Drawing.Drawing2D.GraphicsPath.AddPolygon System.Drawing.Region.Region(System.Drawing.Drawing2D.GraphicsPath) |
| CreateRectRgnIndirect | Creates a rectangular region. | System.Drawing.Region.Region(System.Drawing.Rectangle) |
| CreateRoundRectRgn | Creates a rectangular region with rounded corners. | System.Drawing.Drawing2D.GraphicsPath.AddLines System.Drawing.Pen.LineJoin = System.Drawing.Drawing2D.LineJoin.Round |
| EqualRgn | Checks the two specified regions to determine whether they are identical. | System.Drawing.Region.Equals |
| ExtCreateRegion | Creates a region from the specified region and transformation data. | System.Drawing.Region.Transform |
| FillRgn | Fills a region by using the specified brush. | System.Drawing.Graphics.FillRegion |
| GetPolyFillMode | Retrieves the current polygon fill mode. | System.Drawing.Drawing2D.GraphicsPath.FillMode |
| GetRegionData | Fills the specified buffer with data describing a region. | System.Drawing.Region.GetRegionData |
| GetRgnBox | Retrieves the bounding rectangle of the specified region. | System.Drawing.Region.GetBounds |
| OffsetRgn | Moves a region by the specified offsets. | System.Drawing.Region.Translate |
| PtInRegion | Determines whether the specified point is inside the specified region. | System.Drawing.Region.IsVisible |
| RectInRegion | Determines whether any part of the specified rectangle is within the boundaries of a region. | System.Drawing.Region.IsVisible |
| SetPolyFillMode | Sets the polygon fill mode for functions that fill polygons. | System.Drawing.Drawing2D.GraphicsPath.FillMode |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Registry Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| RegCloseKey | Releases a handle to the specified registry key. | Microsoft.Win32.RegistryKey.Close |
| RegConnectRegistry | Establishes a connection to a predefined registry handle on another computer. | Microsoft.Win32.RegistryKey.OpenRemoteBaseKey |
| RegCreateKeyEx | Creates the specified registry key. | Microsoft.Win32.RegistryKey.CreateSubKey |
| RegDeleteKey | Deletes a subkey. | Microsoft.Win32.RegistryKey.DeleteSubKeyTree |
| RegDeleteValue | Removes a named value from the specified registry key. | Microsoft.Win32.RegistryKey.DeleteValue |
| RegEnumKeyEx | Enumerates subkeys of the specified open registry key. | Microsoft.Win32.RegistryKey.GetSubKeyNames |
| RegEnumValue | Enumerates the values for the specified open registry key. | Microsoft.Win32.RegistryKey.GetValueNames Microsoft.Win32.RegistryKey.GetValue |
| RegFlushKey | Writes all the attributes of the specified open registry key into the registry. | Microsoft.Win32.RegistryKey.Flush |
| RegOpenCurrentUser | Retrieves a handle to the HKEY_CURRENT_USER key for the user that the current thread is impersonating. | Microsoft.Win32.Registry.CurrentUser |
| RegOpenKeyEx | Opens the specified registry key. | Microsoft.Win32.RegistryKey.OpenSubKey |
| RegOpenUserClassesRoot | Retrieves a handle to the HKEY_CLASSES_ROOT key for the specified user. | Microsoft.Win32.Registry.ClassesRoot |
| RegQueryInfoKey | Retrieves information about the specified registry key. | Microsoft.Win32.RegistryKey.SubKeyCount Microsoft.Win32.RegistryKey.ValueCount |
| RegQueryValueEx | Retrieves the type and data for a specified value name associated with an open registry key. | Microsoft.Win32.RegistryKey.GetValue |
| RegSetValueEx | Sets the data and type of a specified value under a registry key. | Microsoft.Win32.RegistryKey.SetValue |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Resource Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CopyImage | Creates a new icon, cursor, or bitmap and copies the attributes of the old one to the new one. | System.Drawing.Image.Clone |
| EnumResNameProc | An application-defined callback function used with EnumResourceNames. | System.Resources.ResourceReader.GetEnumerator |
| EnumResourceNames | Searches for resources of a specified type and passes the name or the ID to a callback function. | System.Resources.ResourceReader.GetEnumerator |
| LoadImage | Loads an icon, cursor, or bitmap. | System.Drawing.Bitmap.Bitmap(System.Type, System.String) System.Drawing.Icon.Icon(System.Type, System.String) System.Windows.Forms.Cursor.Cursor(System.Type, System.String) System.Resources.ResourceManager.GetObject System.Resources.ResourceSet.GetObject |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Rich Edit Control Functions
| Win32 Funtion | Description | .NET Framework API |
|---|---|---|
| EditStreamCallback | An application-defined callback function used with the EM_STREAMIN and EM_STREAMOUT messages. | System.Windows.Forms.RichTextBox.LoadFile System.Windows.Forms.RichTextBox.RichTextBox.SaveFile Note Not a callback function. |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Scroll Bar Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| EnableScrollBar | Enables or disables one or both scroll bar arrows. | System.Windows.Forms.ScrollBar.Enabled
Note Cannot enable/disable built-in scrollbars (auto-scrolling). |
| GetScrollBarInfo | Retrieves information about the specified scroll bar. | System.Windows.Forms.ScrollBar.Value System.Windows.Forms.ScrollEventArgs.Type |
| GetScrollInfo | Retrieves the parameters of a scroll bar. | System.Windows.Forms.ScrollBar.Maximum System.Windows.Forms.ScrollBar.Minimum System.Windows.Forms.ScrollBar.Value |
| GetScrollPos | Retrieves the current position of the scroll box. | System.Windows.Forms.ScrollBar.Value |
| GetScrollRange | Retrieves the current minimum and maximum scroll box positions. | System.Windows.Forms.ScrollBar.Minimum System.Windows.Forms.ScrollBar.Maximum |
| SetScrollInfo | Sets the parameters of a scroll bar. | System.Windows.Forms.ScrollBar.Maximum System.Windows.Forms.ScrollBar.Minimum System.Windows.Forms.ScrollBar.Value |
| SetScrollPos | Sets the position of the scroll box. | System.Windows.Forms.ScrollBar.Value |
| SetScrollRange | Sets the minimum and maximum scroll box position. | System.Windows.Forms.ScrollBar.Minimum System.Windows.Forms.ScrollBar.Maximum |
| ShowScrollBar | Shows or hides the specified scroll bar. | Any of the following: System.Windows.Forms.Form.AutoScroll System.Windows.Forms.HScrollBar constructor System.Windows.Forms.ListBox.HorizontalScrollBar System.Windows.Forms.ListBox.ScrollAlwaysVisible System.Windows.Forms.RichTextBox.ScrollBars System.Windows.Forms.ScrollableControl.HScroll System.Windows.Forms.ScrollableControl.VScroll System.Windows.Forms.TextBox.ScrollBars System.Windows.Forms.VScrollBar constructor |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Service Functions
Functions implemented by services:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| Handler | An application-defined callback function used with RegisterServiceCtrlHandler. | All of the following: System.ServiceProcess.ServiceBase.OnContinue System.ServiceProcess.ServiceBase.OnCustomCommand ServiceProcess.ServiceBase.OnPause System.ServiceProcess.ServiceBase.OnShutdown System.ServiceProcess.ServiceBase.OnStop |
| HandlerEx | An application-defined callback function used with RegisterServiceCtrlHandlerEx. | All of the following: System.ServiceProcess.ServiceBase.OnContinue System.ServiceProcess.ServiceBase.OnCustomCommand System.ServiceProcess.ServiceBase.OnPause System.ServiceProcess.ServiceBase.OnPowerEvent System.ServiceProcess.ServiceBase.OnShutdown System.ServiceProcess.ServiceBase.OnStop |
| ServiceMain | An application-defined function that serves as the entry point for a service. | System.ServiceProcess.ServiceBase.Run |
Functions used by programs that control or configure services:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ChangeServiceConfig | Changes the configuration parameters of a service. | System.ServiceProcess.ServiceController.DisplayName |
| CloseServiceHandle | Closes the specified handle to a service control manager object or a service object. | System.ServiceProcess.ServiceController.Close |
| ControlService | Sends a control code to a service. | System.ServiceProcess.ServiceController.Continue System.ServiceProcess.ServiceController.Pause System.ServiceProcess.ServiceController.Stop |
| CreateService | Creates a service object and adds it to the specified service control manager database. | System.ServiceProcess.ServiceBase.ServiceName System.ServiceProcess.ServiceInstaller.Install |
| DeleteService | Marks the specified service for deletion from the service control manager database. | System.ServiceProcess.ServiceInstaller.Uninstall |
| EnumDependentServices | Retrieves the name and status of each service that depends on the specified service. | System.ServiceProcess.ServiceController.DependentServices |
| EnumServicesStatus | Enumerates services in the specified service control manager database. | System.ServiceProcess.ServiceController.GetServices |
| GetServiceDisplayName | Retrieves the display name of the specified service. | System.ServiceProcess.ServiceController.DisplayName |
| GetServiceKeyName | Retrieves the name of the specified service. | System.ServiceProcess.ServiceBase.ServiceName System.ServiceProcess.ServiceController.ServiceName |
| OpenService | Opens an existing service. | System.ServiceProcess.ServiceController constructor |
| QueryServiceConfig | Retrieves the configuration parameters of the specified service. | System.ServiceProcess.ServiceController.DisplayName System.ServiceProcess.ServiceController.ServicesDependedOn System.ServiceProcess.ServiceController.ServiceName System.ServiceProcess.ServiceController.ServiceType |
| QueryServiceStatus | Retrieves the current status of the specified service. | System.ServiceProcess.ServiceController.Status |
| StartService | Starts a service. | System.ServiceProcess.ServiceController.Start |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
String Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CharLower | Converts a character string or a single character to lowercase. | System.String.ToLower |
| CharNext | Retrieves a pointer to the next character in a string. | System.String.GetEnumerator.MoveNext |
| CharUpper | Converts a character string or a single character to uppercase. | System.String.ToUpper |
| CompareString | Compares two character strings, using the specified locale. | System.String.Compare |
| IsCharAlpha | Determines whether a character is an alphabetical character. | System.Char.IsLetter |
| IsCharAlphaNumeric | Determines whether a character is either an alphabetical or a numeric character. | System.Char.IsLetterOrDigit |
| IsCharLower | Determines whether a character is lowercase. | System.Char.IsLower |
| IsCharUpper | Determines whether a character is uppercase. | System.Char.IsUpper |
| LoadString | Loads a string resource from the executable file associated with a specified module. | System.Resources.ResourceManager.GetString |
| lstrcat | Appends one string to another. | System.String.Concat
Note Strings are immutable in the .NET Framework. Methods that appear to modify a string actually return a new string. |
| lstrcmp | Compares two character strings. | System.String.Compare |
| lstrcmpi | Compares two character strings. | System.String.Compare |
| lstrcpy | Copies a string to a buffer. | System.String.ToCharArray |
| lstrcpyn | Copies a specified number of characters from a source string into a buffer. | System.String.CopyTo System.String.ToCharArray |
| lstrlen | Retrieves the length of the specified string (not including the terminating null character). | System.String.Length |
| wsprintf | Formats and stores a series of characters and values in a buffer. | System.String.Format |
| wvsprintf | Formats and stores a series of characters and values in a buffer. | System.String.Format |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Structured Exception-Handling Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetExceptionCode | Retrieves a code that identifies the type of exception that occurred. | System.Exception.GetType |
| GetExceptionInformation | Retrieves a machine-independent description of an exception and information about the machine state that existed for the thread when the exception occurred. | System.Exception class |
| RaiseException | Raises an exception in the calling thread. | Throw an instance of a System.Exception |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Synchronization Functions
CriticalSection functions:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| EnterCriticalSection | Waits for ownership of the specified critical section object. | System.Threading.Monitor.Enter |
| LeaveCriticalSection | Releases ownership of the specified critical section object. | System.Threading.Monitor.Exit |
| TryEnterCriticalSection | Attempts to enter a critical section without blocking. | System.Threading.Monitor.TryEnter |
Event functions:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateEvent | Creates or opens a named or an unnamed event object. | Either of the following: System.Threading.AutoResetEvent constructor System.Threading.ManualResetEvent constructor |
| ResetEvent | Sets the specified event object to the nonsignaled state. | Either of the following: System.Threading.AutoResetEvent.Reset System.Threading.ManualResetEvent.Reset |
| SetEvent | Sets the specified event object to the signaled state. | Either of the following: System.Threading.AutoResetEvent.Set System.Threading.ManualResetEvent.Set |
Interlocked functions:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| InterlockedCompareExchange | Performs an atomic comparison of the specified values and exchanges the values, based on the outcome of the comparison. | System.Threading.Interlocked.CompareExchange |
| InterlockedCompareExchangePointer | Performs an atomic comparison of the specified values and exchange of the values, based on the outcome of the comparison. | System.Threading.Interlocked.CompareExchange |
| InterlockedDecrement | Decrements (decreases by one) the value of the specified variable and checks the resulting value. | System.Threading.Interlocked.Decrement |
| InterlockedExchange | Atomically exchanges a pair of values. | System.Threading.Interlocked.Exchange |
| InterlockedIncrement | Increments (increases by one) the value of the specified variable and checks the resulting value. | System.Threading.Interlocked.Increment |
Mutex functions:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateMutex | Creates or opens a named or an unnamed mutex object. | System.Threading.Mutex constructor |
| OpenMutex | Opens an existing named mutex object. | System.Threading.Mutex(false, string, name) constructor |
| ReleaseMutex | Releases ownership of the specified mutex object. | System.Threading.Mutex.ReleaseMutex |
Wait functions:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| RegisterWaitForSingleObject | Directs a wait thread in the thread pool to wait on the object. | System.Threading.ThreadPool.RegisterWaitForSingleObject System.Threading.ThreadPool.UnsafeRegisterWaitForSingleObject |
| UnregisterWait | Cancels a registered wait operation. | System.Threading.RegisteredWaitHandle.Unregister |
| WaitForMultipleObjects | Returns when the specified criteria for the specified objects is met. | Either of the following: System.Threading.WaitHandle.WaitAll System.Threading.WaitHandle.WaitAny |
| WaitForSingleObject | Returns when the specified criteria for the specified object is met. | System.Threading.WaitHandle.WaitOne |
| WaitOrTimerCallback | Returns when the specified criteria is met. | See System.Threading.WaitOrTimerCallback delegate |
WaitableTimer functions:
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CancelWaitableTimer | Sets the specified waitable timer to the inactive state. | System.Threading.Timer.Change(System.Threading.Timeout.Infinite, System.Threading.Timeout.Infinite) |
| CreateWaitableTimer | Creates or opens a waitable timer object. | System.Threading.Timer constructor |
| SetWaitableTimer | Activates the specified waitable timer. | System.Threading.Timer constructor |
| TimerAPCProc | Application-defined timer completion routine used with SetWaitableTimer. | See System.Threading.TimerCallback delegate |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
System Information Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ExpandEnvironmentStrings | Replaces environment-variable strings with their defined values. | System.Environment.ExpandEnvironmentVariables |
| GetComputerName | Retrieves the NetBIOS name of the local computer. | System.Environment.MachineName System.Windows.Forms.SystemInformation.ComputerName |
| GetCurrentHwProfile | Retrieves the current hardware profile for the local computer. | Use System.Management and Microsoft.Win32.RegistryKey |
| GetKeyboardType | Retrieves information about the current keyboard. | System.Management.ManagementClass("Win32_Keyboard") System.Management.ManagementClass.GetInstances System.Management.ManagementObject.Properties |
| GetNativeSystemInfo | Retrieves information about the current system for an application running under WOW64. | System.Management.ManagementClass("Win32_Processor") System.Management.ManagementClass.GetInstances System.Management.ManagementObject.Properties |
| GetSysColor | Retrieves the current color of a display element. | System.Drawing.SystemColors |
| GetSystemDirectory | Retrieves the path of the system directory. | System.Environment.SystemDirectory |
| GetSystemInfo | Retrieves information about the current system. | System.Management.ManagementClass("Win32_Processor") System.Management.ManagementClass.GetInstances System.Management.ManagementObject.Properties |
| GetSystemMetrics | Retrieves system metrics and configuration settings. | System.Windows.Forms.SystemInformation properties |
| GetUserName | Retrieves the user name of the current thread. | System.Environment.UserName |
| GetVersion | Retrieves the version number of the operating system. | System.Environment.OSVersion |
| GetVersionEx | Retrieves the version number of the current operating system. | System.Environment.OSVersion |
| GetWindowsDirectory | Retrieves the path of the Windows directory. | System.Management.ManagementClass("Win32_OperatingSystem") System.Management.ManagementClass.GetInstances System.Management.ManagementObject["WindowsDirectory"].ToString |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Tape Backup Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetTapeParameters | Retrieves information that describes the tape or the tape drive. | System.Management.ManagementClass("MSTapeMediaCapacity") System.Management.ManagementClass("Win32_TapeDrive") System.Management.ManagementClass.GetInstances System.Management.ManagementObject.Properties |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Text Object Model Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| ITextDocument | Retrieves the active selection and range objects for any story in the document. | System.Windows.Forms.RichTextBox |
| ITextFont | Encapsulates the functionality of the Microsoft Word Font dialog box. | System.Windows.Forms.RichTextBox |
| ITextPara | Encapsulates the functionality of the Microsoft Word Paragraph dialog box. | System.Windows.Forms.RichTextBox |
| ITextRange | Enables an application to select text in a story, and then examine or change that text. | System.Windows.Forms.RichTextBox |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Time Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetSystemTime | Retrieves the current system date and time in UTC format. | System.DateTime.UtcNow |
| GetTimeFormat | Formats a system time as a time string for a specified locale. | System.DateTime.ToString |
| SystemTimeToFileTime | Converts a system time to a file time. | System.DateTime.ToFileTime |
| FileTimeToLocalFileTime | Converts a UTC file time to a local file time. | System.DateTime.ToFileTime |
| GetLocalTime | Retrieves the current local date and time. | System.DateTime.Now |
| GetTimeZoneInformation | Retrieves the current time-zone parameters. | System.TimeZone.CurrentTimeZone |
| CompareFileTime | Compares two file times. | System.DateTime.Compare |
| FileTimeToLocalFileTime | Converts a UTC file time to a local file time. | System.DateTime.ToLocalTime |
| FileTimeToSystemTime | Converts a file time to system time format. | System.DateTime.ToUniversalTime |
| GetFileTime | Retrieves the date and time that a file was created, last accessed, and last modified. | Any of the following: System.IO.Directory.GetCreationTime System.IO.Directory.GetLastAccessTime System.IO.Directory.GetLastWriteTime System.IO.DirectoryInfo.CreationTime System.IO.DirectoryInfo.LastAccessTime System.IO.DirectoryInfo.LastWriteTime System.IO.File.GetCreationTime System.IO.File.GetLastAccessTime System.IO.File.GetLastWriteTime System.IO.FileInfo.CreationTime System.IO.FileInfo.LastAccessTime System.IO.FileInfo.LastWriteTime |
| GetSystemTimeAsFileTime | Retrieves the current system date and time in UTC format. | System.DateTime.UtcNow.ToFileTimeUtc |
| LocalFileTimeToFileTime | Converts a local file time to a file time based on UTC. | System.DateTime.ToFileTimeUtc |
| SetFileTime | Sets the date and time that a file was created, last accessed, or last modified. | Any of the following: System.IO.Directory.SetCreationTime System.IO.Directory.SetLastAccessTime System.IO.Directory.SetLastWriteTime System.IO.DirectoryInfo.CreationTime System.IO.DirectoryInfo.LastAccessTime System.IO.DirectoryInfo.LastWriteTime System.IO.File.SetCreationTime System.IO.File.SetLastAccessTime System.IO.File.SetLastWriteTime System.IO.FileInfo.CreationTime System.IO.FileInfo.LastAccessTime System.IO.FileInfo.LastWriteTime |
| SystemTimeToFileTime | Converts a system time to a file time. | System.DateTime.ToFileTime |
| GetTickCount | Retrieves the number of milliseconds that have elapsed since the system was started. | System.Environment.TickCount |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Timer Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| KillTimer | Destroys the specified timer. | System.Threading.Timer.Dispose System.Timers.Timer.Dispose System.Windows.Forms.Timer.Dispose |
| QueryPerformanceCounter | Retrieves the current value of the high-resolution performance counter. | System.Diagnostics.PerformanceCounter.NextValue System.Diagnostics.PerformanceCounter.RawValue |
| QueryPerformanceFrequency | Retrieves the frequency of the high-resolution performance counter. | System.Diagnostics.PerformanceCounter.CounterType |
| SetTimer | Creates a timer with the specified time-out value. | Any of the following: System.Threading.Timer constructor System.Timers.Timer constructor System.Windows.Forms.Timer constructor System.Windows.Forms.Timer.Interval |
| TimerProc | An application-defined callback function that processes WM_TIMER messages. | Either of the following: System.Threading.TimerCallback delegate System.Timers.ElapsedEventHandler delegate |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Tool Help Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateToolhelp32Snapshot | Takes a snapshot of the processes and heaps, modules, and threads used by the processes. | System.Diagnostics.Process.GetProcesses System.Diagnostics.Process.Modules System.Diagnostics.Process.Threads |
| Module32First | Retrieves information about the first module associated with a process. | System.Diagnostics.Process.Modules |
| Module32Next | Retrieves information about the next module associated with a process or thread. | System.Diagnostics.Process.Modules |
| Process32First | Retrieves information about the first process encountered in a system snapshot. | System.Diagnostics.Process.GetProcesses |
| Process32Next | Retrieves information about the next process recorded in a system snapshot. | System.Diagnostics.Process.GetProcesses |
| Thread32First | Retrieves information about the first thread of any process encountered in a system snapshot. | System.Diagnostics.Process.Threads |
| Thread32Next | Retrieves information about the next thread of any process encountered in the system memory snapshot. | System.Diagnostics.Process.Threads |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Unicode and Character Set Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetTextCharset | Retrieves a character-set identifier for the font that is currently selected into a specified device context. | System.Drawing.Font.GdiCharSet |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
User Profile Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| CreateEnvironmentBlock | Retrieves the environment variables for the specified user. | Microsoft.Win32.Registry class Microsoft.Win32.RegistryKey.OpenSubKey(name).GetValue |
| DeleteProfile | Deletes the user profile and all user-related settings from the specified computer. | System.IO.Directory.Delete Microsoft.Win32.Registry Microsoft.Win32.RegistryKey.DeleteSubKey |
| ExpandEnvironmentStringsForUser | Expands the source string by using the environment block established for the specified user. | Microsoft.Win32.Registry class
Microsoft.Win32.RegistryKey.OpenSubKey(name).GetValueNames, and then call GetValue for each name |
| GetAllUsersProfileDirectory | Retrieves the path to the root of the All Users profile. | Microsoft.Win32.Registry class Microsoft.Win32.RegistryKey.OpenSubKey(name).GetValue |
| GetDefaultUserProfileDirectory | Retrieves the path to the root of the Default User profile. | Microsoft.Win32.Registry class Microsoft.Win32.RegistryKey.OpenSubKey(name).GetValue |
| GetProfilesDirectory | Retrieves the path to the root directory where all of the user profiles are stored. | Microsoft.Win32.Registry class Microsoft.Win32.RegistryKey.OpenSubKey(name).GetValue |
| GetUserProfileDirectory | Retrieves the path to the root directory of the profile for the specified user. | Microsoft.Win32.Registry class Microsoft.Win32.RegistryKey.OpenSubKey(name).GetValue |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Version Information Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetFileVersionInfo | Retrieves version information for the specified file. | System.Diagnostics.FileVersionInfo.GetVersionInfo |
| GetFileVersionInfoSize | Determines whether the operating system can retrieve version information for a specified file. If version information is available, the function returns the size, in bytes, of that information. | System.Diagnostics.FileVersionInfo.GetVersionInfo |
| VerLanguageName | Retrieves a description string for the language associated with a specified binary Microsoft language identifier. | System.Globalization.CultureInfo.Name |
| VerQueryValue | Retrieves specified version information from the specified version-information resource. | System.Diagnostics.FileVersionInfo properties |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Window Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| AdjustWindowRect | Calculates the required size of the window rectangle, based on the desired client-rectangle size. | System.Windows.Forms.Form.ClientSize |
| AdjustWindowRectEx | Calculates the required size of the window rectangle, based on the desired client-rectangle size. | System.Windows.Forms.Form.ClientSize |
| ArrangeIconicWindows | Arranges all minimized (iconic) child windows of the specified parent window. | System.Windows.Forms.Form.LayoutMdi(MdiLayout.ArrangeIcons) |
| BringWindowToTop | Brings the specified window to the top of the Z order. | System.Windows.Forms.Form.BringToFront |
| CascadeWindows | Cascades the specified child windows of the specified parent window. | System.Windows.Forms.Form.LayoutMdi(MdiLayout.Cascade) |
| ChildWindowFromPoint | Determines which, if any, of the child windows belonging to a parent window contains the specified point. | System.Windows.Forms.Form.GetChildAtPoint |
| CloseWindow | Minimizes (but does not destroy) the specified window. | System.Windows.Forms.Form.WindowState = System.Windows.Forms.FormWindowState.Minimized |
| CreateWindow | Creates an overlapped, pop-up, or child window. | System.Windows.Forms.Form constructor |
| CreateWindowEx | Creates an overlapped, pop-up, or child window with an extended window style. | System.Windows.Forms.Form constructor |
| DestroyWindow | Destroys the specified window. | System.Windows.Forms.Form.Close |
| EnumChildProc | An application-defined callback function used with EnumChildWindows. | Same as EnumChildWindows |
| EnumChildWindows | Enumerates the child windows that belong to the specified parent window. | System.Windows.Forms.Form.Controls |
| GetAncestor | Retrieves the handle to the ancestor of the specified window. | System.Windows.Forms.Form.FindForm System.Windows.Forms.Form.Owner System.Windows.Forms.Form.Parent |
| GetClientRect | Retrieves the coordinates of the client area for a window. | System.Windows.Forms.Form.ClientRectangle |
| GetForegroundWindow | Returns a handle to the foreground window. | System.Windows.Forms.Form.ActiveForm |
| GetLayeredWindowAttributes | Retrieves the opacity and transparency color key of a layered window. | System.Windows.Forms.Form.Opacity System.Windows.Forms.Form.TransparencyKey |
| GetNextWindow | Retrieves a handle to the next or previous window in Z order. | System.Windows.Forms.Form.Controls[1 +/- Control.IndexOf] |
| GetParent | Retrieves a handle to the parent window for the specified child window. | System.Windows.Forms.Form.FindForm System.Windows.Forms.Form.Parent |
| GetTitleBarInfo | Retrieves information about the specified title bar. | System.Windows.Forms.Form.SystemInformation.CaptionButtonSize System.Windows.Forms.Form.SystemInformation.CaptionHeight System.Windows.Forms.Form.HelpButton System.Windows.Forms.Form.MaximizeBox System.Windows.Forms.Form.MinimizeBox |
| GetTopWindow | Retrieves a handle to the child window at the top of the Z order. | System.Windows.Forms.Form.Controls[0] |
| GetWindow | Retrieves a handle to a window that has the specified relationship to the specified window. | System.Windows.Forms.Form.Controls |
| GetWindowInfo | Retrieves information about the specified window. | System.Windows.Forms.Form.ClientSize System.Windows.Forms.Form.CreateParams.ExStyle System.Windows.Forms.Form.CreateParams.Style System.Windows.Forms.Form.Name System.Windows.Forms.Form.ProductVersion System.Windows.Forms.Form.Size System.Windows.Forms.SystemInformation.BorderSize |
| GetWindowPlacement | Retrieves the show state and the restored, minimized, and maximized positions of the specified window. | System.Windows.Forms.Form.Bounds System.Windows.Forms.Form.MaximizedBounds System.Windows.Forms.Form.Visible System.Windows.Forms.Form.WindowState |
| GetWindowRect | Retrieves the dimensions of the bounding rectangle of the specified window. | System.Windows.Forms.Form.Bounds |
| GetWindowText | Copies the text of the title bar of the specified window. | System.Windows.Forms.Form.Text |
| GetWindowTextLength | Retrieves the length of the title bar text for the specified window. | System.Windows.Forms.Form.Text.Length |
| IsChild | Tests whether a window is a child window or descendant window of a specified parent window. | System.Windows.Forms.Form.Contains System.Windows.Forms.Form.IsMdiChild |
| IsIconic | Determines whether the specified window is minimized (iconic). | System.Windows.Forms.Form.WindowState |
| IsWindowVisible | Retrieves the visibility state of the specified window. | System.Windows.Forms.Form.Visible |
| IsZoomed | Determines whether a window is maximized (zoomed). | System.Windows.Forms.Form.WindowState |
| MoveWindow | Changes the position and dimensions of the specified window. | System.Windows.Forms.Form.SetBounds |
| OpenIcon | Restores a minimized (iconic) window to its previous size and position. | System.Windows.Forms.Form.WindowState = System.Windows.Forms.FormWindowState.Normal |
| SetForegroundWindow | Puts the thread that created the specified window into the foreground and activates the window. | System.Windows.Forms.Form.Activate |
| SetLayeredWindowAttributes | Sets the opacity and transparency color key of a layered window. | System.Windows.Forms.Form.Opacity System.Windows.Forms.Form.TransparencyKey |
| SetParent | Changes the parent window of the specified child window. | System.Windows.Forms.Form.Parent |
| SetWindowPlacement | Sets the show state and the restored, minimized, and maximized positions of the specified window. | System.Windows.Forms.Form.Bounds System.Windows.Forms.Form.MaximizedBounds System.Windows.Forms.Form.SetBounds System.Windows.Forms.Form.Visible System.Windows.Forms.Form.WindowState |
| SetWindowPos | Changes the size, position, and Z order of a window. | System.Windows.Forms.Form.BringToFront System.Windows.Forms.Form.Enabled System.Windows.Forms.Form.SendToBack System.Windows.Forms.Form.SetBounds System.Windows.Forms.Form.TopMost System.Windows.Forms.Form.Visible |
| SetWindowText | Changes the text of the title bar for the specified window. | System.Windows.Forms.Form.Text |
| ShowWindow | Sets the show state of the specified window. | System.Windows.Forms.Form.Show System.Windows.Forms.Form.Visible System.Windows.Forms.Form.WindowState |
| TileWindows | Tiles the specified child windows of the specified parent window. | System.Windows.Forms.Form.LayoutMdi(MdiLayout.TileHorizontal) System.Windows.Forms.Form.LayoutMdi(MdiLayout.TileVertical) |
| WindowFromPoint | Retrieves a handle to the window that contains the specified point. | System.Windows.Forms.Form.GetChildAtPoint |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Window Class Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetClassInfo | Retrieves information about a window class. | System.ComponentModel.Component.Events System.Windows.Forms.Control.Cursor System.Windows.Forms.Control.Name System.Windows.Forms.Form.BackColor System.Windows.Forms.Form.Icon System.Windows.Forms.Form.Menu System.Windows.Forms.Form.CreateParams.ClassStyle |
| GetClassLong | Retrieves the specified 32-bit value from the WNDCLASSEX structure associated with the specified window. | System.ComponentModel.Component.Events System.Windows.Forms.Control.Cursor System.Windows.Forms.Control.Name System.Windows.Forms.Form.BackColor System.Windows.Forms.Form.Icon System.Windows.Forms.Form.Menu System.Windows.Forms.Form.CreateParams.ClassStyle |
| GetClassLongPtr | Retrieves the specified value from the WNDCLASSEX structure associated with the specified window. | System.ComponentModel.Component.Events System.Windows.Forms.Control.Cursor System.Windows.Forms.Control.Name System.Windows.Forms.Form.BackColor System.Windows.Forms.Form.Icon System.Windows.Forms.Form.Menu System.Windows.Forms.Form.CreateParams.ClassStyle |
| GetClassName | Retrieves the name of the class to which the specified window belongs. | System.Windows.Forms.Control.Name |
| GetWindowLong | Retrieves information about the specified window. | System.ComponentModel.Component.Events System.Windows.Forms.Control.Parent System.Windows.Forms.Form.CreateParams.ExStyle System.Windows.Forms.Form.CreateParams.Style System.Windows.Forms.Form properties |
| GetWindowLongPtr | Retrieves information about the specified window. | System.ComponentModel.Component.Events System.Windows.Forms.Control.Parent System.Windows.Forms.Form.CreateParams.ExStyle System.Windows.Forms.Form.CreateParams.Style System.Windows.Forms.Form properties |
| RegisterClass | Registers a window class. | System.Windows.Forms.Control.Cursor System.Windows.Forms.Control.Name System.Windows.Forms.Form.BackColor System.Windows.Forms.Form.Icon System.Windows.Forms.Form.Menu System.Windows.Forms.Form.CreateParams.ClassStyle System.Windows.Forms.Form events |
| SetClassLong | Replaces the specified 32-bit value at the specified offset into the extra class memory or the WNDCLASSEX structure. | System.Windows.Forms.Control.Cursor System.Windows.Forms.Control.Name System.Windows.Forms.Form.BackColor System.Windows.Forms.Form.Icon System.Windows.Forms.Form.Menu System.Windows.Forms.Form.CreateParams.ClassStyle System.Windows.Forms.Form events |
| SetClassLongPtr | Replaces the specified value at the specified offset into the extra class memory or the WNDCLASSEX structure. | System.Windows.Forms.Control.Cursor System.Windows.Forms.Control.Name System.Windows.Forms.Form.BackColor System.Windows.Forms.Form.Icon System.Windows.Forms.Form.Menu System.Windows.Forms.Form.CreateParams.ClassStyle System.Windows.Forms.Form events |
| SetWindowLong | Changes an attribute of the specified window. | System.Windows.Forms.Control.Parent System.Windows.Forms.Form.CreateParams.ExStyle System.Windows.Forms.Form.CreateParams.Style System.Windows.Forms.Form properties System.Windows.Forms.Form events |
| SetWindowLongPtr | Changes an attribute of the specified window. | System.Windows.Forms.Control.Parent System.Windows.Forms.Form.CreateParams.ExStyle System.Windows.Forms.Form.CreateParams.Style System.Windows.Forms.Form properties System.Windows.Forms.Form events |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Window Procedure Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| DefWindowProc | Calls the default window procedure to provide default processing for any window messages that an application does not process. | Any of the following: System.Windows.Forms.Form.DefWndProc System.Windows.Forms.Control.DefWndProc System.Windows.Forms.NativeWindow.DefWndProc |
| WindowProc | An application-defined function that processes messages sent to a window. | Any of the following: System.Windows.Forms.Form.WndProc System.Windows.Forms.Control.WndProc System.Windows.Forms.NativeWindow.WndProc |
Alphabetical Win32 Category List
Hierarchical Win32 Category List
Window Property Functions
| Win32 function | Description | .NET Framework API |
|---|---|---|
| GetProp | Retrieves a data handle from the property list of the specified window. | System.Windows.Forms.Control.Tag |
| RemoveProp | Removes an entry from the property list of the specified window. | System.Windows.Forms.Control.Tag |
| SetProp | Adds a new entry or changes an existing entry in the property list of the specified window. |