Printing without the Document/View framework

If you have a dialog based application and want to print, then you cannot take advantage of the Doc/View framework that MFC provides to do all the dirty work for you.

In order to keep the MFC doc/View feel I recomend providing helper functions OnBeginPrinting, OnEndPrinting and OnPrint similar to the CView versions. A CDC and a CPrintInfo object is passed into each of these functions. You will have to provide these functions yourself. Typically you would undertake any initialisation neessary (such as creating GDI objects) in OnBeginPrinting. Your OnPrint function would be where you do the actual printing/drawing, and your OnEndPrinting function performs any cleanup necessary (such as deleting GDIobjects created in OnBeginPrinting). You can call these functions whatever you want - I've used these names to be consistant with the CView names, and they are only used to show where the various initialisation/printing/cleanup code should be inserted by you.

void CMyDialog::Print() 
    CDC dc;
    CPrintDialog printDlg(FALSE);

    if (printDlg.DoModal() == IDCANCEL)         // Get printer settings from user

    dc.Attach(printDlg.GetPrinterDC());         // Attach a printer DC
    dc.m_bPrinting = TRUE;

    CString strTitle;                           // Get the application title

    DOCINFO di;                                 // Initialise print document details
    ::ZeroMemory (&di, sizeof (DOCINFO));
    di.cbSize = sizeof (DOCINFO);
    di.lpszDocName = strTitle;

    BOOL bPrintingOK = dc.StartDoc(&di);        // Begin a new print job

    // Get the printing extents and store in the m_rectDraw field of a 
    // CPrintInfo object
    CPrintInfo Info;

    OnBeginPrinting(&dc, &Info);                // Call your "Init printing" funtion
    for (UINT page = Info.GetMinPage(); 
         page <= Info.GetMaxPage() && bPrintingOK; 
        dc.StartPage();                         // begin new page
        Info.m_nCurPage = page;
        OnPrint(&dc, &Info);                    // Call your "Print page" function
        bPrintingOK = (dc.EndPage() > 0);       // end page
    OnEndPrinting(&dc, &Info);                  // Call your "Clean up" funtion

    if (bPrintingOK)
        dc.EndDoc();                            // end a print job
        dc.AbortDoc();                          // abort job.

    dc.Detach();                                // detach the printer DC

Last updated: August 12 1998


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