A .NET Wizard control

using System;
using System.Windows.Forms;

namespace UtilityLibrary.WinControls
{
  /// <summary>
  /// Collection of selected items in a TreeListView
  /// </summary>
  public class SelectedTreeListViewItemCollection : ListView.SelectedListViewItemCollection
  {
    #region Properties
    /// <summary>
    /// Gets a TreeListViewItem at the specified index
    /// </summary>
    new public TreeListViewItem this[int index]
    {
      get{return((TreeListViewItem) base[index]);}
    }
    #endregion
    #region Constructor
    /// <summary>
    /// Create a new instance of a SelectedTreeListViewItemCollection
    /// </summary>
    /// <param name="TreeListView"></param>
    public SelectedTreeListViewItemCollection(TreeListEx TreeListView) : base((ListView) TreeListView)
    {
    }
    #endregion
    #region Functions
    /// <summary>
    /// Returns true if the specified item is in the collection
    /// </summary>
    /// <param name="item"></param>
    /// <returns></returns>
    public bool Contains(TreeListViewItem item)
    {
      return(base.Contains((ListViewItem) item));
    }
    /// <summary>
    /// Index of an item
    /// </summary>
    /// <param name="item"></param>
    /// <returns></returns>
    public int IndexOf(TreeListViewItem item)
    {
      return(base.IndexOf((ListViewItem) item));
    }
    #endregion
  }
}