Actions are rarely limited to just one button. Imagine you have a save action, you could call it from a toolbar and from a menu item as well. This way, you can also disable an action, and it will disable all the buttons that are using that action.
Post by:autobot
You ridiculous clown, did you think you could get away with it? This is my favorite tiny ad!
a bit of art, as a gift, that will fit in a stocking