while ( (int)m_rowHeights.GetCount() <= endrow )
m_rowHeights.Add(m_emptyCellSize.GetHeight());
while ( (int)m_colWidths.GetCount() <= endcol )
while ( (int)m_rowHeights.GetCount() <= endrow )
m_rowHeights.Add(m_emptyCellSize.GetHeight());
while ( (int)m_colWidths.GetCount() <= endcol )