RosettaCodeData/Task/Hello-world-Graphical/Modula-3/hello-world-graphical.mod3

MODULE GUIHello EXPORTS Main;

IMPORT TextVBT, Trestle;

<*FATAL ANY*>

VAR v := TextVBT.New("Goodbye, World!");

BEGIN
  Trestle.Install(v);
  Trestle.AwaitDelete(v);
END GUIHello.