如何在IBAction上设置或更改按钮背景色

Question

I try to set the background color of a button, but, isn't work. Some can helpme please?

- (IBAction)OrBoton:(id)sender {
     [sender setBackgroundColor:(NSColor *)redColor];     
}

But, if I try to setTitle, this works fine. Is unacessible the Backgroundcolor property? I don't recived any error when I Build and Debug, but don't works.

Thanks!

Answer 1

Try this

- (IBAction)OrBoton:(id)sender 
{
   UIButton *button = (UIButton *)sender;
   [button setBackgroundColor:[UIColor redColor]];
}

Answer 2

Try This.

- (IBAction)Click:(UIButton *)sender
{
    if (sender.selected)
    {
        sender.selected = NO;
        sender.backgroundColor=[UIColor whiteColor];
    }
    else
    {
        sender.selected = YES;
        sender.backgroundColor=[UIColor blueColor];
    }
}

Answer 3

好吧，最后，我选择了从彩色图像更改图像按钮，因为不幸的是，目前，这对我来说是不可能的。