public override void Undo(OutlinerDocument document, TreeListView treeListView)
{
OutlinerNote note = document.FindOutlinerNoteById(__NoteId);
__SavedNote = note;
__ColumnIndexBeforeUndo = DocumentHelpers.GetFocusedColumnIdx(treeListView, note);
DocumentHelpers.DeleteRow(note, treeListView, __ColumnIndexAfterInsert);
}