答案 0 :(得分:0)
确定有可能:(下面的代码不能编译,但会显示工作原理)
UIButton *sender = ....;
id theOtherOne = .... ;//Button, Label, whatever
....
[sender addTarget:self action:@selector(changeTheOtherOne:)];
....
-(void)changeTheOtherOne:(id)sender
{
[theOtherOne sendSomeMessage];
}