BCGControlBar Pro for MFC
void CBCGPSliderCtrl::SetSelectionColor ( COLORREF  clrSelection,
BOOL  bRedraw = TRUE 
)
inline

Sets selection custom background color.

Parameters
clrSelectionThe selection background color (-1 to reset a default color).
bRedrawSpecifies whether to invalidate and redraw the control.

The control should be created with TBS_ENABLESELRANGE style.