void OnCameraAdded(CameraAddedEventArgs e)
 {
     var handler = CameraAdded;
     if (handler != null)
         handler(this, e);
 }
 void addWindow_CameraAdded(object sender, CameraAddedEventArgs e)
 {
     ModelList.Add(e.Camera);
 }
 void AddCameraModel_CameraAdded(object sender, CameraAddedEventArgs e)
 {
     OnCameraAdded(e);
 }