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Printing Selected Text

Posted on 1998-08-17
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Last Modified: 2010-04-10
I've managed to enable "Print Selected"in CPrintDialog by using pCPrintInfo->m_pPD->m_pd.Flags &= ~PD_NOSELECTION in OnPreparePrinting().  However despite clicking on "Print Selected", my selection is ignored and everything is printed.  Any clues on forcing print to use only selected text in a CRichEditView?

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Question by:gkibble
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6 Comments
 
LVL 8

Expert Comment

by:trestan
ID: 1170563
I have figured out the way to realize printing the selected text in a CRichEditView. Add the following codes in your OnPrint() function:
      CString cstrnBody;
      cstrnBody = GetRichEditCtrl().GetSelText();
      pDC->TextOut(10, 10, cstrnBody);

      //CRichEditView::OnPrint(pDC, pInfo);

You can make modification as you want to get desired output. Good luck.

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Author Comment

by:gkibble
ID: 1170564
The TextOut command is far too simple for what I need. We have lots of formatting, fonts, weights, etc that are lost with CString.  I really want to avoid writing code to support formatting since it works so well now for full pages.  Isn't there some way to set a starting and ending character position for OnPrint()?

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LVL 8

Accepted Solution

by:
Answers2000 earned 600 total points
ID: 1170565
In your OnPrint
1. Get the control window using GetRichEditCtrl()
2. Use GetSel member of CRichEditCtrl to get the selection range into a variable of type CHARRANGE
3. Fill in a FORMATRANGE structure with the results of #2
4. Call CRichEditCtrl::FormatRange with this structure
5. Call CRichEditCtrl::Display band

Steps 4 and 5 are used to output to the printer DC.  To avoid outputting too much (e.g. going off the bottom of the page), use FormatRange to do measurements first, then adjust for each page in sequence using 4 and 5 in a loop.


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LVL 8

Expert Comment

by:trestan
ID: 1170566
I think the principle of An...'s answer is similiar to mine except that he used a defferent function.
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Author Comment

by:gkibble
ID: 1170567
Almost an A grade!   I'm still fuzzy on the last part "use FormatRange to do measurements first, then adjust for each page in sequence using 4 and 5 in a loop.".  But for short selections it works perfectly.

Some other useful details I found elsewhere:
       FORMATRANGE fr;
        ::ZeroMemory(&fr, sizeof(FORMATRANGE));

        HDC hTarget = pDC->GetSafeHdc();
        fr.hdc           = hTarget;
        fr.hdcTarget = hTarget;

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Author Comment

by:gkibble
ID: 1170568
When I used pDC->TextOut(10, 10, cstrnBody);  many things were lost besides just formatting.  Tabs and line feeds were printed as non-displayable which munged everything into one long line.   With FormatRange() all symbols displayed properly.


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