public TouchBox()
 {
     this.InitializeComponent();
     this.tracker = new TouchGestureTracker {
         InputElement = this.InputElement
     };
     this.tracker.Gestured += (_, g) => this.Args.Add(new ArgsVm(g));
 }
 public TouchBox()
 {
     InitializeComponent();
     this._tracker = new TouchGestureTracker { InputElement = this.InputElement };
     this._tracker.Gestured += (_, g) => this.Args.Add(new ArgsVm(g));
 }