BCGSuite for MFC
void CBCGPSliderCtrl::EnableProgressMode ( BOOL  bEnable = TRUE,
COLORREF  clrProgress = (COLORREF)-1 
)

Enables the progress mode.

Parameters
bEnableTRUE to enable, FALSE to disable.
clrProgressThe progress color.

In the progress mode, the channel area left of the slider's thumb is filled with some (default or user-defined) color.