BCGControlBar Pro for MFC
BOOL CBCGPGridColumnsInfo::GetColumnWidthAutoSize ( int  nColumn) const

Tells whether a column has fixed, or automatic size.

Call this function to get value of CBCGPGridColumnsItem::m_bFixedSize member.

Returns
Nonzero if the column's width is automatically calculated to best fit contents. The grid calls CBCGPGridCtrl::OnGetColumnAutoSize to calculate width. This function returns FALSE if OnGetColumnAutoSize is not called for the specified column.
Parameters
nColumnThe zero-based index of a column.