//@code
objref vbox, g
vbox = new VBox()
vbox.intercept(1)	//all following creations go into the "vbox" box
g = new Graph()
xpanel("")
x=3
xvalue("x")
xbutton("press me", "print 1")
xpanel()
vbox.intercept(0)	//ends intercept mode
vbox.map()		//draw the box and its contents