HwndHost::WndProc Method (IntPtr, Int32, IntPtr, IntPtr, Boolean%)
.NET Framework (current version)
When overridden in a derived class, accesses the window process (handle) of the hosted child window.
Assembly: PresentationFramework (in PresentationFramework.dll)
protected: [SecurityCriticalAttribute] virtual IntPtr WndProc( IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, bool% handled )
Parameters
- hwnd
-
Type:
System::IntPtr
The window handle of the hosted window.
- msg
-
Type:
System::Int32
The message to act upon.
- wParam
-
Type:
System::IntPtr
Information that may be relevant to handling the message. This is typically used to store small pieces of information, such as flags.
- lParam
-
Type:
System::IntPtr
Information that may be relevant to handling the message. This is typically used to reference an object.
- handled
-
Type:
System::Boolean%
Whether events resulting should be marked handled.
Security Note
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|---|
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.
SecurityPermission
to call this method. Associated enumeration: UnmanagedCode
.NET Framework
Available since 3.0
Available since 3.0
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