asked on

dialog caption

Hi,

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.

Thanks
pbsmbc

minnirok

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);

DeleteObject(rgn);
}

https://www.experts-exchange.com/questions/21375994/DrawText-DT-CENTER-DT-SINGLELINE-DT-VCENTER.html?query=center+caption&clearTAFilter=true

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minnirok

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