HwndHost.WndProc(IntPtr, Int32, IntPtr, IntPtr, Boolean) Method
Definition
Important
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When overridden in a derived class, accesses the window process (handle) of the hosted child window.
protected:
virtual IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, bool % handled);
[System.Security.SecurityCritical]
protected virtual IntPtr WndProc (IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled);
protected virtual IntPtr WndProc (IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled);
[<System.Security.SecurityCritical>]
abstract member WndProc : nativeint * int * nativeint * nativeint * bool -> nativeint
override this.WndProc : nativeint * int * nativeint * nativeint * bool -> nativeint
abstract member WndProc : nativeint * int * nativeint * nativeint * bool -> nativeint
override this.WndProc : nativeint * int * nativeint * nativeint * bool -> nativeint
Protected Overridable Function WndProc (hwnd As IntPtr, msg As Integer, wParam As IntPtr, lParam As IntPtr, ByRef handled As Boolean) As IntPtr
Parameters
- hwnd
-
IntPtr
nativeint
The window handle of the hosted window.
- msg
- Int32
The message to act upon.
- wParam
-
IntPtr
nativeint
Information that may be relevant to handling the message. This is typically used to store small pieces of information, such as flags.
- lParam
-
IntPtr
nativeint
Information that may be relevant to handling the message. This is typically used to reference an object.
- handled
- Boolean
Whether events resulting should be marked handled.
Returns
nativeint
The window handle of the child window.
- Attributes
Remarks
Important
This type or member is not available in the Internet security zone.
Notes to Inheritors
The base implementation in HwndHost does not return a practical process, but will return IntPtr.Zero
as a failsafe.
Applies to
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