//------------------------------------------------------------------------------------
/// <summary>
/// Undoes all changes that are currently queued up to be saved.
/// </summary>
//------------------------------------------------------------------------------------
public void UndoChanges()
{
AsyncObservableCollection <StoreItem> changedItems = m_changedItems.ToCollection();
changedItems.Sort((x, y) => StoreItemTypeSort.Compare(x, y));
UndoInProgress = true;
foreach (StoreItem item in changedItems)
{
if (item.IsNew)
{
m_changedItems.Remove(item);
RemoveFromCache(item);
}
else
{
item.UndoChanges();
}
}
UndoInProgress = false;
}