BCGControlBar Pro for MFC
void CBCGPPropList::EnableGridLines ( BOOL  bHorizontal = TRUE,
BOOL  bVertical = TRUE 
)

Specifies whether grid lines should be drawn.

Parameters
bHorizontalNon-zero if horizontal grid lines should be drawn; 0 - otherwise.
bVerticalNon-zero if vertical grid lines should be drawn; 0 - otherwise.