void mi_Click(object sender, RoutedEventArgs e) {
var item = (sender as MenuItem);
var parentButton = item.Parent as DropDownButton;
var ascitem = (MenuItem)parentButton.Items[parentButton.Items.IndexOf(misa)];
var Sort = ascitem.IsChecked ? WIN.Forms.SortOrder.Ascending : WIN.Forms.SortOrder.Descending;
_ShellListView.SetSortCollumn(true, (Collumns)item.Tag, Sort);
}