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changing caption's font

Posted on 1997-08-07
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Last Modified: 2013-12-03
Hi,
I'm creating an MDI application and I'd like to change the caption's font of my Child Frame.
I tried to call SystemParametersInfo from various message handlers (OnCreate, OnNcPaint, OnActivate, OnShowWindow, OnNcActivate, OnPaint) but it doesn't seems to work - nothing happens!
Where have I to put SystemParametersInfo in order to properly change the caption's font?
Is it possible to do that in some other ways?

Many thanks in advance!
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Question by:vencese
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3 Comments
 
LVL 23

Accepted Solution

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chensu earned 200 total points
ID: 1303316
The following code is used to change current caption font to be italic. You only need to call it once.

NONCLIENTMETRICS noncmt = { sizeof(NONCLIENTMETRICS) };
if (::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &noncmt, 0))
{
    noncmt.lfCaptionFont.lfItalic = TRUE;
    ::SystemParametersInfo(SPI_SETNONCLIENTMETRICS, 0, &noncmt,
                           SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
}

But, this will change the caption font globally, which means all the windows will be affected. If you would like to change only your child frame, you have to override OnNcPaint to draw the nonclient area yourself. It is not trivial.
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Author Comment

by:vencese
ID: 1303317
I'd like to override OnNcPaint in order to have a frame with
a border, a caption, a minimize box and a maximize box.
I'll increase points to 200.
Can you send me the code to do that?
(if you need more points, I will give you)

Many thanks for your help!

0
 
LVL 23

Expert Comment

by:chensu
ID: 1303318
You can see MFC source code for good examples of how to override OnNcPaint(). The following files contain the code. CMiniFrameWnd::OnNcPaint() is specially useful for you.

mfc\src\BARCORE.CPP : void CControlBar::EraseNonClient()
mfc\src\BARDOCK.CPP : void CDockBar::OnNcPaint()
mfc\src\BARSTAT.CPP : void CStatusBar::OnNcPaint()
mfc\src\BARTOOL.CPP : void CToolBar::OnNcPaint()
mfc\src\CTLTRACK.CPP : void COleControl::OnNcPaint()
mfc\src\WINMINI.CPP : void CMiniFrameWnd::OnNcPaint()

Thank you for your generous offering. Add a comment here if you encounter any problems when you go ahead with the code, I might be able to help you.
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