Printer Paper Oritentation problem!

Hi,
I have a MFC app which conatians a chart control. I want to print this chart to the printer. I can do it using inbuilt properties for the chart but only in portrait mode.

Is there a way to set the orientation of the printer to landscape before is start printing. I don't know any interface or classes that provide such functionality.
Please Help!!!

The function shown below sets the orientation of the paper for a printer. Call this function before CView::OnFilePrint() and CView::OnFilePrintPreview() calls.

Code:

---

BOOL SetOrientation(BOOL bLandFl)
{
        PRINTDLG pd;
        pd.lStructSize=(DWORD)sizeof(PRINTDLG);
        BOOL bRet=GetPrinterDeviceDefaults(&pd);
        if(bRet)
        {
                // protect memory handle with ::GlobalLock and ::GlobalUnlock
                DEVMODE FAR *pDevMode=(DEVMODE FAR *)::GlobalLock(m_hDevMode);
                // set orientation to landscape
                if(bLandFl)
                        pDevMode->dmOrientation=DMORIENT_LANDSCAPE;
                else
                        pDevMode->dmOrientation=DMORIENT_PORTRAIT;
                ::GlobalUnlock(m_hDevMode);
        }
        else
        {
                CString s;
                s.LoadString(IDS_STRING34116); //Failed to select the orientation of the paper for the printer
                AfxMessageBox(s);
        }
        return bRet;
}

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I forgot to say that SetOrientation() function should be declared in your application class derrived from CWinApp. HGLOBAL m_hDevMode is protected member of the CWinApp class.