CMFCHeaderCtrl::IsMultipleSort
Indicates whether the current header control is in multiple column sort mode.
BOOL IsMultipleSort() const;
Return Value
TRUE if multiple column sort mode is enabled; otherwise, FALSE.
Remarks
Use the CMFCHeaderCtrl::EnableMultipleSort method to enable or disable multiple column sort mode. Two or more columns can participate in a sort if the header control is in multiple column sort mode.
Requirements
Header: afxheaderctrl.h