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HwndSourceHook Delegate
.NET Framework (current version)
Represents the method that handles Win32 window messages.
Assembly: PresentationCore (in PresentationCore.dll)
Public Delegate Function HwndSourceHook ( hwnd As IntPtr, msg As Integer, wParam As IntPtr, lParam As IntPtr, ByRef handled As Boolean ) As IntPtr
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.
.NET Framework
Available since 3.0
Available since 3.0
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