private void SetupConnectors()
 {
     Input  = new ConnectorViewModel(NodesCanvas, this, "Input", Point1.Addition(0, 30));
     Output = new ConnectorViewModel(NodesCanvas, this, "Output", Point1.Addition(80, 54))
     {
         Visible = null
     };
     AddEmptyConnector();
 }
 private void UpdatePoint2()
 {
     Point2 = Point1.Addition(Size);
 }