HwndSourceHook Delegate
Represents the method that handles Win32 window messages.
Assembly: PresentationCore (in PresentationCore.dll)
public delegate IntPtr HwndSourceHook( IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled )
In XAML, you can use delegates but you cannot define your own.
Parameters
- hwnd
- Type: System.IntPtr
The window handle.
- msg
- Type: System.Int32
The message ID.
- wParam
- Type: System.IntPtr
The message's wParam value.
- lParam
- Type: System.IntPtr
The message's lParam value.
- handled
- Type: System.Boolean%
A value that indicates whether the message was handled. Set the value to true if the message was handled; otherwise, false.
Return Value
Type: System.IntPtrThe appropriate return value depends on the particular message. See the message documentation details for the Win32 message being handled.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.