Form.ProcessCmdKey Method

Processes a command key.

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

protected override bool ProcessCmdKey (
	ref Message msg,
	Keys keyData
protected boolean ProcessCmdKey (
	/** @ref */ Message msg, 
	Keys keyData
JScript does not support passing value-type arguments by reference.



A Message, passed by reference, that represents the Win32 message to process.


One of the Keys values that represents the key to process.

Return Value

true if the keystroke was processed and consumed by the control; otherwise, false to allow further processing.

The ProcessCmdKey method overrides the base

ContainerControl.ProcessCmdKey implementation to provide additional handling of main menu command keys and MDI accelerators.

For information about trapping keystrokes, see "HOW TO: Trap Keystrokes in .NET Controls by Using Visual C# .NET" and "HOW TO: Trap Keystrokes in .NET Controls by Using Visual Basic .NET" in the Microsoft Knowledge Base at

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

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