

Task

Display the string       Goodbye, World!       on a GUI object   (alert box, plain window, text area, etc.).



Related task

   Hello world/Text


MODULE GUIHello EXPORTS Main;
 
IMPORT TextVBT, Trestle;
 
<*FATAL ANY*>
 
VAR v := TextVBT.New("Goodbye, World!");
 
BEGIN
  Trestle.Install(v);
  Trestle.AwaitDelete(v);
END GUIHello.