Adding a button to the form is a matter of creating a new Button object, setting the properties that we like, and adding the Button object to the list of controls that the form manages. This code will produce a button on the form that does that nifty 3-D depress thing that buttons do when you press them, but nothing else interesting will happen. That's because we're still not handling the button's click event, where an event is a way for a control to notify its container that something has happened. For example, the following code handles the button's Click event: