private void detach_MapTiles(MapTile entity)
		{
			this.SendPropertyChanging();
			entity.MapTileBlock = null;
		}
		private void attach_MapTiles(MapTile entity)
		{
			this.SendPropertyChanging();
			entity.MapTileBlock = this;
		}
 partial void UpdateMapTile(MapTile instance);
 partial void DeleteMapTile(MapTile instance);
 partial void InsertMapTile(MapTile instance);