XtVaSetValues(parent, XmNbackground, WhitePixelOfScreen(XtScreen(parent)), NULL);
XtMakeResizeRequest(widget, 200, 100, &w, &h);
XtVaSetValues(parent, XmNbackground, WhitePixelOfScreen(XtScreen(parent)), NULL);
XtMakeResizeRequest(widget, 200, 100, &w, &h);