public Playground()
 {
     InitializeComponent();
     PrimInstance = new PrimInstance(Data);
     Image.Source = graphBmp;
     RenderData();
 }
 private void New_Click(object sender, RoutedEventArgs e)
 {
     AutoCancelOrder = true;
     Data            = new Graph();
     PrimInstance    = new PrimInstance(Data);
     RenderData();
 }