/// <summary>
 /// Create a new instance of a SelectedTreeListViewItemCollection
 /// </summary>
 /// <param name="TreeListView"></param>
 public SelectedTreeListViewItemCollection(TreeListEx TreeListView)
     : base((ListView) TreeListView)
 {
 }
 /// <summary>
 /// Create a collection in the root of a TreeListView (first level items)
 /// </summary>
 /// <param name="owner"></param>
 public TreeListViewItemCollection(TreeListEx owner)
 {
   _owner = owner;
 }
 /// <summary>
 /// Create a collection in the root of a TreeListView (first level items)
 /// </summary>
 /// <param name="owner"></param>
 public TreeListViewItemCollection(TreeListEx owner)
 {
     _owner = owner;
 }
 /// <summary>
 /// Create a new instance of a SelectedTreeListViewItemCollection
 /// </summary>
 /// <param name="TreeListView"></param>
 public SelectedTreeListViewItemCollection(TreeListEx TreeListView) : base((ListView)TreeListView)
 {
 }