public MapControl()
{
InitializeComponent();
gMapControl1.CanDragMap = false;
gMapControl1.DragButton = MouseButton.Left;
Binding bZoom = new Binding();
bZoom.Source = gMapControl1;
bZoom.Path = new PropertyPath("Zoom");
bZoom.Mode = BindingMode.TwoWay;
this.SetBinding(ZoomProperty, bZoom);
this.gMapControl1.OnPositionChanged += new GMap.NET.PositionChanged(gMapControl1_OnPositionChanged);
this.gMapControl1.OnTileLoadComplete += new GMap.NET.TileLoadComplete(gMapControl1_OnTileLoadComplete);
this.gMapControl1.MouseWheel += new MouseWheelEventHandler(gMapControl1_MouseWheel);
}