Universal > Entity, Action.
Entity > Image, HTMLDocument, JavaClasses, CGTool.
CGTool = PrologPlusCG.
[CGTool : PrologPlusCG]-
-iconOf->[Image = "ImgPrlg.gif"],
-manualOf->[HTMLDocument = "PrologCGManual.htm"],
-codeOf->[JavaClasses = "DocTest.txt"].
MMCGExample :-
[JavaClasses = y]<-codeOf-[CGTool: PrologPlusCG]-iconOf->[Image = x],
show(wnd1, x),
show(wnd2, y),
read(a),
close(wnd1),
close(wnd2),
write("The two windows have been closed."), /.