//本次示例主要以地图的状态栏

       /// <summary>

         /// 鼠标按下事件

         /// </summary>

         /// <param name="sender"></param>

         /// <param name="e"></param>

         private void mapControlMain_MouseDown(object sender, MouseEventArgs e)

         {

             MessageBox.Show("鼠标按下事件");

             PIE.Geometry.IPoint point = new PIE.Geometry.Point();

             //将屏幕坐标转换为地图坐标

             point = mapControlMain.ToMapPoint(e.X, e.Y);

             //弹出坐标信息显示框

             string srcgreenCoor = string.Format("屏幕坐标：X:{0},Y:{1}", e.X, e.Y);

             string mapCoor = string.Format("地图坐标：X:{0},Y:{1}", point.X.ToString(), point.Y.ToString());

             MessageBox.Show(srcgreenCoor + "\r\n" + mapCoor, "屏幕坐标转换地图坐标");

             int x=, y=;

             mapControlMain.FromMapPoint(point,ref x,ref y);

             string tempPoint = string.Format("屏幕设备点：X:{0},Y:{1}",x,y);

             MessageBox.Show(mapCoor+"\r\n"+tempPoint, "地图坐标转换为设备点");

         }

         /// <summary>

         /// 鼠标移动事件

         /// </summary>

         /// <param name="sender"></param>

         /// <param name="e"></param>

         private void mapControlMain_MouseMove(object sender, MouseEventArgs e)

         {

             //1、当地图空间参考为空时，鼠标移动不起作用

             int layerCount =mapControlMain.FocusMap.GetAllLayer().Count;

             if (layerCount < )

             {

                 mapControlMain.SpatialReference = null;

             }

             ISpatialReference spatialReference = mapControlMain.SpatialReference;

             if (spatialReference == null)return;

             this.label_SpatialReference.Text=spatialReference.Name.ToString();

             //2、鼠标移动的屏幕坐标

             this.label_SrcgreenCoordinate.Text=string.Format("{0},{1}",e.X,e.Y);

             //3、鼠标移动的地图坐标

             IPoint point = mapControlMain.ToMapPoint(e.X, e.Y);

             this.label_MapPoint.Text=string.Format("{0},{1}", point.X.ToString("0.0000"), point.Y.ToString("0.0000"));

         }

         /// <summary>

         /// 鼠标弹起事件

         /// </summary>

         /// <param name="sender"></param>

         /// <param name="e"></param>

         private void mapControlMain_MouseUp(object sender, MouseEventArgs e)

         {

             MessageBox.Show("鼠标弹起事件");

         }