/// <summary>
 /// Not supported.
 /// </summary>
 /// <param name="index">The zero-based index at which <paramref name="item"/> should be inserted.</param>
 /// <param name="item">The object to insert into the <see cref="IList"/>.</param>
 /// <exception cref="T:System.ArgumentOutOfRangeException">
 ///     <paramref name="index"/> is not a valid index in the <see cref="IList"/>.
 /// </exception>
 /// <exception cref="T:System.NotSupportedException">
 /// The <see cref="IList"/> is read-only.
 /// </exception>
 public void Insert(int index, DataVirtualizeWrapper <TWrapped> item)
 {
     throw new NotSupportedException();
 }
 /// <summary>
 /// Not supported.
 /// </summary>
 /// <param name="item">The object to remove from the <see cref="ICollection"/>.</param>
 /// <returns>
 /// true if <paramref name="item"/> was successfully removed from the <see cref="ICollection"/>;
 /// otherwise, false. This method also returns false if <paramref name="item"/> is not found in the original <see cref="ICollection"/>.
 /// </returns>
 /// <exception cref="T:System.NotSupportedException">
 /// The <see cref="ICollection"/> is read-only.
 /// </exception>
 public bool Remove(DataVirtualizeWrapper <TWrapped> item)
 {
     throw new NotSupportedException();
 }
 /// <summary>
 /// Not supported.
 /// </summary>
 /// <param name="item">The object to add to the <see cref="ICollection"/>.</param>
 /// <exception cref="T:System.NotSupportedException">
 /// The <see cref="ICollection"/> is read-only.
 /// </exception>
 public void Add(DataVirtualizeWrapper <TWrapped> item)
 {
     throw new NotSupportedException();
 }