public virtual void RejectChanges()
{
BeginUpdate();
try
{
foreach (var i in AddedItems.OfType <IRevertibleChangeTracking>())
{
i.RejectChanges();
}
foreach (var i in AddedItems)
{
RemoveItem(Items.IndexOf(i));
}
foreach (var i in RemovedItems)
{
InsertItem(Items.Count, i);
}
foreach (var i in Items.OfType <IRevertibleChangeTracking>())
{
i.RejectChanges();
}
AcceptChanges(); // To clear the added and removed collections.
}
finally
{
EndUpdate();
}
}
