Notifies the receiver that it’s about to become first responder in its NSWindow.
Original signature is '- (BOOL)becomeFirstResponder'
Available in Mac OS X v10.0 and later.
[Missing <returns> documentation for "M:Monobjc.AppKit.NSResponder.BecomeFirstResponder"]
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)