Form.DefWndProc Method (System.Windows.Forms)

DefWndProc Method

.NET Framework Class Library

Form..::.DefWndProc Method

This member overrides Control..::.DefWndProc(Message%), and more complete documentation might be available in that topic.

Sends the specified message to the default window procedure.

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

Syntax

Visual Basic (Declaration)

<SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags := SecurityPermissionFlag.UnmanagedCode)> _
Protected Overrides Sub DefWndProc ( _
    ByRef m As Message _
)

Visual Basic (Usage)

Dim m As Message

Me.DefWndProc(m)

[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
protected override void DefWndProc(
    ref Message m
)

Visual C++

[SecurityPermissionAttribute(SecurityAction::LinkDemand, Flags = SecurityPermissionFlag::UnmanagedCode)]
protected:
virtual void DefWndProc(
    Message% m
) override

JScript

protected override function DefWndProc(
    m : Message
)

Parameters

m: Type: System.Windows.Forms..::.Message%
The Windows Message to process.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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.

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

Reference

Form Class

Form Members

System.Windows.Forms Namespace