ArcGISPortalViewer.Controls.MeasureDisplayControl.MeasureItem_Holding C# (CSharp) Метод

        private void MeasureItem_Holding(object sender, HoldingRoutedEventArgs e)
        {
            var item = sender as FrameworkElement;
            var measureItem = item.DataContext as MeasureItem;
            if (Editor != null && measureItem != null && Editor.DeleteVertex.CanExecute(measureItem.CoordinateIndex))
                FlyoutBase.ShowAttachedFlyout((FrameworkElement) sender);
        }