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doubt in handling OnNcPaint( )

Discussion in 'MFC' started by palz, Jan 21, 2010.

  1. palz

    palz New Member

    i have tied to a rectangle in caption bar of window but this doesn't work .am i doing any mistake.plz correct me .

    void CMainWnd::OnNcPaint( )
        CDC dc = (CDC)GetWindowDC();
        RECT rectMine = {30,3,100,20};
        FillRect(dc, &rectMine, (HBRUSH)GetStockObject(DKGRAY_BRUSH));
        SetBkMode(dc, TRANSPARENT);
    SetTextColor(dc, RGB(255, 0,0));
       DrawText(dc, "My Dialog", strlen("My Dialog"), &rectMine, 0);
  2. Gene Poole

    Gene Poole New Member

    Your mixing the CDC class with HDC handles and that won't work by forcing casts. Try replacing your first line with:

      HDC dc = GetWindowDC()->m_hDC;
    and your last line with this:
    Last edited: Jan 21, 2010
  3. palz

    palz New Member

    thank u .its working.:)

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