Sent when a control with editable text begins an editing session.
Original signature is '- (void)controlTextDidBeginEditing:(NSNotification *)aNotification'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
public delegate void ControlTextDidBeginEditingEventHandler( NSNotification aNotification )
Public Delegate Sub ControlTextDidBeginEditingEventHandler ( _ aNotification As NSNotification _ )
public delegate void ControlTextDidBeginEditingEventHandler( NSNotification^ aNotification )

- aNotification (NSNotification)
- The notification object. The name of the notification is always NSControlTextDidBeginEditingNotification.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)