> a target object
>  a selector to be sent
>  an optional list of arguments for the message
>  when to do the action (on mouse down,
>   repeatedly while down, or on mouse up)
What is a selector?

>You can actually set all of these using menu commands. To
>set the target, put the button over the desired target morph
>and then use the "set target" menu command on the button.

I can't find any "set target" menu command in the popup menu.

How do you tell a button to change a TextMorph's contents to "Hello World"?

Many thanks.

Philippe de Rochambeau