/// <summary>Move CurrentItem to this index</summary>
public override bool MoveCurrentToPosition(int position)
{
//
// If the index is out of range here, I'll let the
// ProxiedView be the one to make that determination.
//
return(ProxiedView.MoveCurrentToPosition(position));
}
/// Re-create the view, using any <seealso cref="SortDescriptions"/>.
public override void Refresh()
{
IndexedEnumerable indexer = (IndexedEnumerable)Interlocked.Exchange(ref _indexer, null);
if (indexer != null)
{
indexer.Invalidate();
}
ProxiedView.Refresh();
}
/// <summary>
/// Return true if the item belongs to this view. No assumptions are
/// made about the item. This method will behave similarly to IList.Contains().
/// If the caller knows that the item belongs to the
/// underlying collection, it is more efficient to call PassesFilter.
/// </summary>
public override bool Contains(object item)
{
return(ProxiedView.Contains(item));
}
/// <summary> Move to the given item. </summary>
public override bool MoveCurrentTo(object item)
{
return(ProxiedView.MoveCurrentTo(item));
}
/// <summary> Move to the last item. </summary>
public override bool MoveCurrentToLast()
{
return(ProxiedView.MoveCurrentToLast());
}
/// <summary> Move to the previous item. </summary>
public override bool MoveCurrentToPrevious()
{
return(ProxiedView.MoveCurrentToPrevious());
}
/// <summary>
/// Enter a Defer Cycle.
/// Defer cycles are used to coalesce changes to the ICollectionView.
/// </summary>
public override IDisposable DeferRefresh()
{
return(ProxiedView.DeferRefresh());
}
