public override void InternalInitialize(int parentRowID, int parentColumnID, int rowindex, int colIndex, InitializationContext context)
 {
     base.InternalInitialize(parentRowID, parentColumnID, rowindex, colIndex, context);
     base.m_hasInnerGroupTreeHierarchy = (Cell.ContainsInnerGroupTreeHierarchy(base.m_cellContents) | Cell.ContainsInnerGroupTreeHierarchy(base.m_altCellContents));
 }