P
Ok, hab's gelöst...
und zwar so:
HBRUSH COptionsDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
if (pWnd->GetDlgCtrlID()==IDC_SCANTIME)
{
pDC->SetBkColor(RGB(255,255,255));
CBrush Brush;
Brush.CreateSolidBrush(RGB(255,255,255));
hbr = (HBRUSH)Brush;
}
return hbr;
}