CommandHandler Delegate
Registers callback methods with a command source.
delegate void CommandHandler( UINT^ cmdID );
This delegate registers callback methods with a command source. When you add a delegate to the command source object, the callback method becomes a handler for commands coming from the specified source.
For more information, see How to: Add Command Routing to the Windows Forms Control.
For more information on using Windows Forms, see Using a Windows Form User Control in MFC.
