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Yes change the Child View<br />
Style to WM_NOCLOSE.<br />
<br />
May be by overloading PreCreateWindow<br />
<br />
BOOL CMainFrame::PreCreateWindo<wbr />w(CREATEST<wbr />RUCT&amp; cs) <br />
{ <br />
&nbsp; &nbsp; // Create a window without min/max buttons or sizable border <br />
&nbsp; &nbsp; cs.style = WS_OVERLAPPED | WS_SYSMENU | WS_BORDER | WM_NOCLOSE;<br />
<br />
&nbsp; &nbsp; // Size the window to 1/3 screen size and center it <br />
&nbsp; &nbsp; cs.cy = ::GetSystemMetrics(SM_CYSC<wbr />REEN) / 3; <br />
&nbsp; &nbsp; cs.cx = ::GetSystemMetrics(SM_CXSC<wbr />REEN) / 3; <br />
&nbsp; &nbsp; cs.y = ((cs.cy * 3) - cs.cy) / 2; <br />
&nbsp; &nbsp; cs.x = ((cs.cx * 3) - cs.cx) / 2;<br />
<br />
&nbsp; &nbsp; // Call the base-class version<br />
&nbsp; &nbsp; return CFrameWnd::PreCreateWindow<wbr />(cs); <br />
}<br />
<br />
<br />

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Yes change the Child View
Style to WM_NOCLOSE.

May be by overloading PreCreateWindow

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
    // Create a window without min/max buttons or sizable border
    cs.style = WS_OVERLAPPED | WS_SYSMENU | WS_BORDER | WM_NOCLOSE;

    // Size the window to 1/3 screen size and center it
    cs.cy = ::GetSystemMetrics(SM_CYSCREEN) / 3;
    cs.cx = ::GetSystemMetrics(SM_CXSCREEN) / 3;
    cs.y = ((cs.cy * 3) - cs.cy) / 2;
    cs.x = ((cs.cx * 3) - cs.cx) / 2;

    // Call the base-class version
    return CFrameWnd::PreCreateWindow(cs);
}




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This method was a good idea but unfortunately did not work. &nbsp;Thanks for your help anyways. &nbsp;You cannot create a child with ~WM_CLOSE.<br />
<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Regards, Leigh 
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This method was a good idea but unfortunately did not work.  Thanks for your help anyways.  You cannot create a child with ~WM_CLOSE.

                    Regards, Leigh

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Thanks this looks like it will work fine. &nbsp;Do you know how I could tell what window not to close?
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Thanks this looks like it will work fine.  Do you know how I could tell what window not to close?

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<div class="content wysiwyg-content">
I have a MDI application in which I have multiple views. &nbsp;However upon loading the application a default view is displayed and I don't want the user to be able to close this view. &nbsp;Is it possible to remove the &quot;x&quot; exit button from the frame?
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I have a MDI application in which I have multiple views.  However upon loading the application a default view is displayed and I don't want the user to be able to close this view.  Is it possible to remove the "x" exit button from the frame?

MDI Child Frame with no system exit button

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.