[CLOSE]: AllowColumnRemove(FALSE) has no effect

bool CXRReportSchedulerReportCtrl::SetupControl() {
    CString strCaption;

    ShowGroupBy(FALSE);
    GetReportHeader()->AllowColumnRemove(FALSE);
    GetReportHeader()->AllowColumnReorder(FALSE);

    ASSERT(GetColumns()->GetCount()==0);

    // Active-Flag (Index 0 as Icon)
    CXTPReportColumn* pColumn=AddColumn(new CXTPReportColumn(0, strCaption, 20, FALSE, XTP_REPORT_NOICON, FALSE));
    ASSERT(pColumn!=0);
    pColumn->SetGroupable(FALSE);

    // Description
 
    pColumn=AddColumn(new CXTPReportColumn(1, _T("Bezeichnung")/*strCaption*/, 200));
    ASSERT(pColumn!=0);
    pColumn->SetGroupable(FALSE);

    // Typ
    pColumn=AddColumn(new CXTPReportColumn(2, _T("Zeitplantyp")/*strCaption*/, 100));
    ASSERT(pColumn!=0);
    pColumn->SetGroupable(FALSE);

    pColumn=AddColumn(new CXTPReportColumn(3, _T("Startzeitpunkt")/*strCaption*/, 100));
    ASSERT(pColumn!=0);
    pColumn->SetGroupable(FALSE);

    GetPaintManager()->SetColumnStyle(xtpReportColumnExplorer);
    GetPaintManager()->SetGridStyle(TRUE, xtpReportGridNoLines);

    FocusSubItems(FALSE);

    VERIFY(images_.Create(16,16, ILC_COLOR32|ILC_MASK, 0, 1));
    CBitmap bmp;
    VERIFY(bmp.LoadBitmap(IDB_SCHEDULER_REPORT_ITEMS));
    images_.Add(&bmp, RGB(255, 255, 255));
    SetImageList(&images_);

    return true;

}