BCGControlBar Pro for MFC
BOOL CBCGPRatingCtrl::SetValue ( double  dblValue,
BOOL  bRedraw = TRUE 
)

Specifies the average rating value (read-only mode only).

Call the SetValue method to specify the average (non-integer) rating value. This method can be used only in read-only mode.

Parameters
dblValueThe average rating value.
bRedrawSpecifies whether a control should be redrawn.