unsigned int count;

        objc_property_t *properties = class_copyPropertyList([self class], &count);

        for (int i = ; i < count; i++) {

            objc_property_t property = properties[i];

            NSString *propertyName = [NSString stringWithCString:property_getName(property) encoding:NSUTF8StringEncoding];

            UIView *view = [self valueForKey:propertyName];

            if ([view isKindOfClass:[UIView class]]) {

                view.backgroundColor = [UIColor cyanColor];

            }

        }

        free(properties);