Create function (5)

   wdata = (struct ComponentData *)unhand(parent)->pData;
   cdata = (struct ComponentData *)sysMalloc(sizeof(struct ComponentData));
   SET_PDATA(this, sdata);
   if (sdata == 0) {
      SignalError(0, JAVAPKG "OutOfMemoryError", 0);
      AWT_UNLOCK();
      return;
   }
   cdata->widget = XmCreateComboBox
                           (wdata->widget,
                            "combo_box",
                            args,
                            argc);
   XtSetMappedWhenManaged(cdata->widget,
                             False);