internal void AddForeignKey(VistaDBForeignKey fkey)
 {
     if (!this._array.Contains(fkey))
     {
         this._array.Add(fkey);
     }
 }
		internal void AddForeignKey(VistaDBForeignKey fkey)
		{
			if(!this._array.Contains(fkey))
			{
				this._array.Add(fkey);
			}
		}