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WindowsFormsHost.WndProc Method

This member overrides HwndHost.WndProc(IntPtr, Int32, IntPtr, IntPtr, Boolean), and more complete documentation might be available in that topic.

When implemented in a derived class, accesses the window process of the hosted child window.

Namespace:  System.Windows.Forms.Integration
Assembly:  WindowsFormsIntegration (in WindowsFormsIntegration.dll)

'Declaration
Protected Overrides Function WndProc ( _
	hwnd As IntPtr, _
	msg As Integer, _
	wParam As IntPtr, _
	lParam As IntPtr, _
	ByRef handled As Boolean _
) As IntPtr

Parameters

hwnd
Type: System.IntPtr

Window handle of the hosted window.

msg
Type: System.Int32

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.

Return Value

Type: System.IntPtr
The window handle of the child window.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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