ArcGISWindowsPhoneSDK.EditorTracking.FeatureTypeListBox_SelectionChanged C# (CSharp) Méthode

        private void FeatureTypeListBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
        {
            if (isAdd)
            {
                int index = FeatureTypeListBox.SelectedIndex;
                if (index > -1)
                {
                    TemplateItem selectedTemplate = FeatureTypeListBox.SelectedItem as TemplateItem;
                    if (editor.Add.CanExecute(selectedTemplate.ID))
                        editor.Add.Execute(selectedTemplate.ID);
                    FeatureTypeChoicesPage.IsOpen = false;
                }
            }
            else
            {
                // set type
                (FeatureInfoPage.DataContext as Graphic).Attributes["eventtype"] = ((TemplateItem)e.AddedItems[0]).ID;
                FeatureTypeChoicesPage.IsOpen = false;
            }
        }