Responder forwarding

gistfile1.m

@implementation UIResponder (ResponderForwarding)
- (BOOL) tryToPerformAction:(SEL)action withObject:(id)object
@end

@implementation UIResponder (ResponderForwarding)

- (BOOL) tryToPerformAction:(SEL)action withObject:(id)object
{
    if (!action) {
        return NO;
    }
    
    id target = [[self nextResponder] targetForAction:action withSender:self];
    if (target) {
        NSMethodSignature *signature = [[target class] instanceMethodSignatureForSelector:action];
        
        NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
        invocation.target = target;
        invocation.selector = action;
        [invocation setArgument:&object atIndex:2];
        [invocation invoke];
        
        return YES;
    }
    
    return NO;
}

@end

Usage

[self tryToPerformAction:@selector(doSomething:) withObject:someObject];