public class ViewModel
   {
       //Graph controller with timespan as X axis and double as Y.
       public WpfGraphController<TimeSpanDataPoint, DoubleDataPoint> Controller { get; set; }

       public ViewModel()
       {
           Controller = new WpfGraphController<TimeSpanDataPoint, DoubleDataPoint>();
           Controller.Renderer = new ScrollingLineRenderer<WpfGraphDataSeries>();
           Controller.DataSeriesCollection.Add(new WpfGraphDataSeries()
           {
               Name = "Series Name",
               Stroke = Colors.Red,
           });

           //We will attach the surface using WPF binding...
           //Controller.Surface = null;
       }

       private void Start()
       {
           Stopwatch watch = new Stopwatch();
           watch.Start();

           Thread thread = new Thread(() => 
           {
               while (true)
               {
                   //Get the current elapsed time and mouse position.
                   var y = System.Windows.Forms.Cursor.Position.Y;
                   var x = watch.Elapsed;

                   //Push the x,y to the controller.
                   Controller.PushData(x, y);

                   Thread.Sleep(30);
               }
           });
           thread.Start();
       }
   }