private static void PanZoomBar_GlobeButtonClick(object sender, GlobeButtonClickPanZoomBarMapToolEventArgs e)
 {
     e.NewExtent = defaultExtent;
 }
 private void PanZoomBar_GlobeButtonClick(object sender, GlobeButtonClickPanZoomBarMapToolEventArgs e)
 {
     e.NewExtent = globeExtent;
 }
 private static void PanZoomBar_GlobeButtonClick(object sender, GlobeButtonClickPanZoomBarMapToolEventArgs e)
 {
     e.NewExtent = defaultExtent;
 }
 private void PanZoomBar_GlobeButtonClick(object sender, GlobeButtonClickPanZoomBarMapToolEventArgs e)
 {
     e.NewExtent = globeExtent;
 }