/// <summary>
 /// Parameterized constructor
 /// </summary>
 /// <param name="rubberBand"></param>
 public CreateRubberBandMouseHandler(RubberBandViewModel rubberBand, CanvasViewModel canvasViewModel)
 {
     _RubberBandViewModel = rubberBand;
     _CanvasViewModel     = canvasViewModel;
 }
 /// <summary>
 /// Parameterized constructor
 /// </summary>
 /// <param name="rubberBand"></param>
 public CreateRubberBandMouseHandler(RubberBandViewModel rubberBand, CanvasViewModel canvasViewModel)
 {
     this.mRubberBandViewModel = rubberBand;
     this.mCanvasViewModel     = canvasViewModel;
 }