Exemplo n.º 1
0
        private void _listView_ContextMenuOpening(object sender, ContextMenuEventArgs e)
        {
            var selectItems = _listView.SelectedItems;

            _listViewCopyMenuItem.IsEnabled  = (selectItems == null) ? false : (selectItems.Count > 0);
            _listViewPasteMenuItem.IsEnabled = Clipboard.ContainsNodes();
        }