/// <summary>
 /// Initializes a new instance of the <see cref="PerformImport3DModelCommand" />
 /// </summary>
 /// <param name="viewModel">Th view-model of the importing view</param>
 /// <param name="sceneContent">The content of the scene</param>
 public PerformImport3DModelCommand(Import3DModelViewModel viewModel, ISceneContent sceneContent)
 {
     _viewModel = viewModel;
     _sceneContent = sceneContent;
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="OpenFileWith3DModelCommand" />
 /// </summary>
 /// <param name="viewModel">The viewModel to keep state of the importing 3D viewModel operation</param>
 public OpenFileWith3DModelCommand(Import3DModelViewModel viewModel)
 {
     _viewModel = viewModel;
 }