UIControl (RepresentedObject)

@implementation UIControl (RepresentedObject)

static char kRepresentedObjectKey;

- (void)setRepresentedObject:(id<NSObject>)object{
	id assocObject = [self representedObject];
	if(assocObject != object){
		[assocObject release];
		objc_setAssociatedObject(self, &kRepresentedObjectKey, object, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
	}
}
- (id<NSObject>)representedObject{
	return objc_getAssociatedObject(self, &kRepresentedObjectKey);
}
@end