public override void Assign(RepositoryItem item)
 {
     BeginUpdate();
     try {
         base.Assign(item);
         RepositoryItemMyCheckEdit source = item as RepositoryItemMyCheckEdit;
         if (source == null)
         {
             return;
         }
         VerticalGlyphAlignment = source.VerticalGlyphAlignment;
     }
     finally { EndUpdate(); }
 }
 static MyCheckEdit()
 {
     RepositoryItemMyCheckEdit.RegisterMyCheckEdit();
 }