private async void _statusBarInfo_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) { if (e.PropertyName == "Position" && IsOperableRadarArea() && _plottingArea.PlotStatus == PlottingStatus.新建模式) {//鼠标经纬度变化 await Task.Delay(0); _plottingArea.UpdateMousePosition(_statusBarInfo.Position); } }