Form.ProcessCmdKey Method (Message, Keys)


Processes a command key.

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

[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
protected override bool ProcessCmdKey(
	ref Message msg,
	Keys keyData


Type: System.Windows.Forms.Message

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

Type: System.Windows.Forms.Keys

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

Return Value

Type: System.Boolean

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 controls by using Visual C#" and "How to trap keystrokes in .NET controls by using Visual Basic .NET" in the Microsoft Knowledge Base at

.NET Framework
Available since 1.1
Return to top