VehicleMarker Class

public class VehicleMarker : IMapRenderer

Public Class VehicleMarker
	Implements IMapRenderer

...
       // a Navigator object requires an IGps member,
       // and a VehicleMarker object requires a Navigator.
       // this means that you'll need a Navigator and some 
       // form of GPS to use a VehicleMarker object...
       myNavigator = new Navigator(myGps);
       myVehicleMarker = new VehicleMarker(myNavigator);

       // draw the VehicleMarker object on the map. Use a 
       // RendererList object to draw multiple objects on 
       // the same map
       myMapCtrl.Renderer = myVehicleMarker;

       // use a Timer object to redraw the location of the 
       // VehicleMarker object once a second.
       Timer myTimer = new Timer();
       myTimer.Interval = 1000;
       myTimer.Tick += new EventHandler(myTimer_Tick);
       myTimer.Start();
   ...


   void myTimer_Tick (object sender, EventArgs e) {
       // invalidating a map causes all the objects on the map
       // to be redrawn. Redrawing a VehicleMarker object
       // will cause the VehicleMarker object to update its
       // location.
       myMapCtrl.Invalidate();
   }