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Your override is incorrect. &nbsp;You should code:<br />
<br />
BOOL CTopFrame::PreCreateWindow<wbr />(CREATESTR<wbr />UCT&amp; cs)<br />
{<br />
&nbsp; &nbsp;if (!CMiniFrameWnd::PreCreate<wbr />Winodw(cs)<wbr />)<br />
&nbsp; &nbsp; &nbsp; return FALSE;<br />
<br />
&nbsp; &nbsp;cs.dwExStyle |= WS_EX_TOPMOST;<br />
&nbsp; &nbsp;return TRUE;<br />
}<br />
<br />
.B ekiM<br />
<br />

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Your override is incorrect.  You should code:

BOOL CTopFrame::PreCreateWindow(CREATESTRUCT& cs)
{
   if (!CMiniFrameWnd::PreCreateWinodw(cs))
      return FALSE;

   cs.dwExStyle |= WS_EX_TOPMOST;
   return TRUE;
}

.B ekiM



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mikeblas: Hmmm. What I did works, but OK.<br />

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mikeblas: Hmmm. What I did works, but OK.


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<br />
works != correct<br />
<br />
<br />

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<div class="content wysiwyg-content">
My application has one doc and two views. One view is used to display picture in normal size and the other view is used to display the same but zoomed picture. I hope the latter view can keep TOPMOST. But since the CMDIChildWnd cann't have a WS_POPUP style, how should I do? Thanks!
</div>
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My application has one doc and two views. One view is used to display picture in normal size and the other view is used to display the same but zoomed picture. I hope the latter view can keep TOPMOST. But since the CMDIChildWnd cann't have a WS_POPUP style, how should I do? Thanks!

How to make a CMDIChildWnd pop-up?

Kernel and system programming is the process of creating the software necessary for a computer or device to function and operate other programs. Some operating systems (such as Microsoft Windows) are proprietary, but others, such as the various Linux distributions, are open source.