private async void Area(object sender, RoutedEventArgs e) { float area = AMapUtils.CalculateArea(AMapUtils.GetSouthWest(pointsOfRect), AMapUtils.GetNorthEast(pointsOfRect)); MessageDialog messageDialog = new MessageDialog("面积" + area + "m^2"); await messageDialog.ShowAsync(); }
private async void Distance(object sender, RoutedEventArgs e) { float distance = AMapUtils.CalculateLineDistance(pointsOfLine[0], pointsOfLine[1]); MessageDialog messageDialog = new MessageDialog("线长" + distance + "m"); await messageDialog.ShowAsync(); }