private void tvMain_PlatformSelected(object Sender, SelectionEventArgs e)
 {
     this.OnSelectedPlatform(e);
 }
 private void tvMain_NodeSelected(object Sender, SelectionEventArgs e)
 {
     this.OnNodeSelected(e);
 }
 private void tvMain_GraphicSelected(object Sender, SelectionEventArgs e)
 {
     this.OnSelectedGraphic(e);
 }
 private void tvMain_EngineSelected(object Sender, SelectionEventArgs e)
 {
     this.OnSelectedEngine(e);
 }
 private void tvMain_DIObjectSelected(object Sender, SelectionEventArgs e)
 {
     this.OnSelectedDIObject(e);
 }
 private void tvMain_AreaSelected(object Sender, SelectionEventArgs e)
 {
     this.OnSelectedArea(e);
 }