// CDC::FillSolidRect is faster, but it does not handle 8-bit color depth VERIFY(brush.CreateSolidBrush( RGB(r+rStep*iOnBand, g + gStep*iOnBand, b + bStep * iOnBand))) pDC->FillRect(&rectFill,&b

// CDC::FillSolidRect is faster, but it does not handle 8-bit color depth VERIFY(brush.CreateSolidBrush( RGB(r+rStep*iOnBand, g + gStep*iOnBand, b + bStep * iOnBand))) pDC->FillRect(&rectFill,&b

To get this task done, my first instinct was to catch the WM_ERASEBKGND in CMainfr a me and do the FillSolidRect there. But I soon realized that approach didn t do anything other than make the fr a me flicker and show re