using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Controls; using System.Windows.Data; namespace PDF_Office.DataConvert { public class IndexConverter : IValueConverter { public object Convert(object value, Type TargetType, object parameter, CultureInfo culture) { ListViewItem item = (ListViewItem)value; ListView listView = ItemsControl.ItemsControlFromItemContainer(item) as ListView; int index = listView.ItemContainerGenerator.IndexFromContainer(item) + 1; return index.ToString(); } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } } }