private bool RestoreIndexFromUndoRecord(Record record)
{
int currentIndex = m_treeView.IndexOf(record.Target);
int index = (int)record.State;
bool hasChanged = currentIndex != index;
if (hasChanged)
{
m_treeView.SetIndex(record.Target, index);
m_treeView.UpdateIndent(record.Target);
}
return(false);
}