wxDataViewColumnList m_cols;
// cached column best widths or 0 if not computed, values are for
// respective columns from m_cols and the arrays have same size
wxVector<int> m_colsBestWidths;
wxDataViewColumnList m_cols;
// cached column best widths or 0 if not computed, values are for
// respective columns from m_cols and the arrays have same size
wxVector<int> m_colsBestWidths;