public override void Assign(RepositoryItem item)
 {
     BeginUpdate();
     try {
         base.Assign(item);
         RepositoryItemMyTokenEdit source = item as RepositoryItemMyTokenEdit;
         if (source == null)
         {
             return;
         }
         this.UseCustomFilter    = source.UseCustomFilter;
         this.CustomFilterTokens = source.CustomFilterTokens;
         //
     }
     finally {
         EndUpdate();
     }
 }
 static MyTokenEdit()
 {
     RepositoryItemMyTokenEdit.RegisterMyTokenEdit();
 }