private void InkPresenter_StrokeInputEnded(Windows.UI.Input.Inking.InkStrokeInput sender, PointerEventArgs args)
 {
     StartTimer();
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="InkStrokeInput"/> class, a
 /// Wpf-enabled wrapper for <see cref="Windows.UI.Input.Inking.InkStrokeInput"/>
 /// </summary>
 public InkStrokeInput(Windows.UI.Input.Inking.InkStrokeInput instance)
 {
     this.uwpInstance = instance;
 }