Cancels perform requests previously registered with performSelector:withObject:afterDelay:.
Original signature is '+ (void)cancelPreviousPerformRequestsWithTarget:(id)aTarget selector:(SEL)aSelector object:(id)anArgument'
Available in Mac OS X v10.0 and later.


- aTarget (Id)
- The target for requests previously registered with the performSelector:withObject:afterDelay: instance method
- aSelector (IntPtr)
- The selector for requests previously registered with the performSelector:withObject:afterDelay: instance method.
- anArgument (Id)
- The argument for requests previously registered with the performSelector:withObject:afterDelay: instance method. Argument equality is determined using isEqual:, so the value need not be the same object that was passed originally. Pass nil to match a request for nil that was originally passed as the argument.

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