return FALSE;
return PR_FALSE;
gint nsGtkWidget_ExposureMask_EventHandler(GtkWidget *w, GdkEventExpose *event, gpointer p){  nsWindow *widgetWindow = (nsWindow *)p;  nsPaintEvent pevent;  nsRect       rect;  nsGtkWidget_InitNSEvent((GdkEvent*)event, p, pevent, NS_PAINT);  pevent.rect = (nsRect *)&rect;  rect.x      = event->area.x;  rect.y      = event->area.y;  rect.width  = event->area.width;  rect.height = event->area.height;  if (event->type == GDK_NO_EXPOSE) {    return FALSE;  }/* FIXME  Display* display = XtDisplay(w);  Window   window = XtWindow(w);  XEvent xev;  XSync(display, FALSE);  while (XCheckTypedWindowEvent(display, window, Expose, &xev) == TRUE) {      rect.x      = xev.xexpose.x;      rect.y      = xev.xexpose.y;      rect.width  = xev.xexpose.width;      rect.height = xev.xexpose.height;  }*/  widgetWindow->OnPaint(pevent);  return FALSE;}