Automatically sent to the receiver when the cursor enters a cursor rectangle owned by the receiver.
Original signature is '- (void)mouseEntered:(NSEvent *)anEvent'
Available in Mac OS X v10.0 and later.


- anEvent (NSEvent)
- The event generated when the cursor enters the cursor rectangle.

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