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dialog caption

Posted on 2006-03-27
Medium Priority
Last Modified: 2013-11-20

How do I make a dialog caption in the center of the dialog?
The problem we are having if we manually center the caption of the dialog it works in windows XP however, in NT it's
moving to the right.

Question by:pbsmbc
  • 2

Expert Comment

ID: 16305615
How are you manually drawing it at the moment? And what do you mean by it doesn't work under NT, it's not really centered, won't draw at all, etc?

Here's a draw text function for drawing centered text within a rect:

void DrawText(CDC* pdc, const CString& strText, CRect& rcRect)
     CRect rcSavedRect = rcRect;
     CRect rcNewRect = rcRect;
     CRgn rgn;

     rgn.CreateRectRgn(rcRect.left, rcRect.top, rcRect.right, rcRect.bottom);

     // Call DrawText with DT_WORDBREAK | DT_CALCRECT flags, this will adjust the rectagle size
     // after breaking it into lines but without drawing

     pdc->DrawText(strText, &rcSavedRect,  DT_WORDBREAK | DT_CALCRECT | DT_CENTER | DT_VCENTER);

     // Modify the caption rectagle according to the new coordinates
     rcNewRect.top = rcRect.top + (rcRect.Height() - rcSavedRect.Height()) / 2;
     rcNewRect.bottom = rcRect.top + rcSavedRect.Height();
     HRGN hrgnOld = NULL;
     ::GetClipRgn(pdc->m_hDC, hrgnOld);

     pdc->SelectClipRgn(&rgn, RGN_COPY);

     // Draw the caption
     pdc->DrawText(strText, &rcNewRect, DT_WORDBREAK | DT_CENTER | DT_VCENTER);

     ::SelectClipRgn(pdc->m_hDC, hrgnOld);



Accepted Solution

minnirok earned 500 total points
ID: 16305640

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