Sent to the delegate just after an animation is started.
Original signature is '- (BOOL)animationShouldStart:(NSAnimation *)animation'
Available in Mac OS X v10.4 and later.
- animation (NSAnimation)
- The NSAnimation object that was just started.
NO to cancel the animation, YES to have the animation proceed.
Assembly: Monobjc.AppKit (Module: Monobjc.AppKit)
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)