public Engine(models.Engine engine, bool isRoot)
 {
     InitializeComponent();
     obj        = engine;
     isEditMode = true;
     isRootNode = isRoot;
     Load();
 }
 public Engine()
 {
     InitializeComponent();
     obj        = new models.Engine();
     isEditMode = false;
     isRootNode = false;
     Load();
 }