BUTTONUPDATE name text

Replaces the text on the button identified by name with text.

WINDOWCREATE "main "mywindow "mytitle 0 0 100 100 []
MAKE "Pushed 0
BUTTONCREATE "mywindow "mybutton :Pushed 25 25 25 25 [MAKE "Pushed :Pushed + 1 BUTTONUPDATE "mybutton :Pushed]
Push the button a few times.
BUTTONDELETE "mybutton
WINDOWDELETE "mywindow