public SpatialTraceViewerControl()
        {
            InitializeComponent();

            if (DesignerProperties.GetIsInDesignMode(this))
            {
                _viewModel = new TraceViewModel();
            }
            else
            {
                _viewModel = new TraceViewModel();
            }
            this.DataContext = _viewModel;
        }
		public SpatialTraceViewerControl()
		{
			InitializeComponent();

			if (DesignerProperties.GetIsInDesignMode(this))
			{
				_viewModel = new TraceViewModel();
			}
			else
			{
				_viewModel = new TraceViewModel();
			}
			this.DataContext = _viewModel;
						
		}