private void mapControl_AfterTrackingLayerDraw(object sender, AxMapObjects2._DMapEvents_AfterTrackingLayerDrawEvent e)
{
//绘制导航地图中的视图范围框线
frmNavigation.Instance.DrawMainMapViewExtent(this.mapControl.Extent);
//更新比例尺
MapUtil.MapOperation oMapOper = new GPSTrackingMonitor.MapUtil.MapOperation();
this.lblScale.Text = string.Format("比例尺 ： 1 : {0}", Convert.ToInt32(oMapOper.ComputeMapScale(this.mapControl)).ToString());
Invoke((MethodInvoker)delegate{this._geoeventUpdate.UpdateLabelLocation(this._currentMessageCollection);});
}
private void mapControl_AfterTrackingLayerDraw(object sender, AxMapObjects2._DMapEvents_AfterTrackingLayerDrawEvent e)
{
}
