Re: How to make a window modal

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#11140

From: Martin Golm
Date: Mon, 23 Feb 2004 15:56

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"Remy Lebeau (TeamB)" wrote:
> The way you have it set up, your loop will never abort until the message
> queue receives a WM_QUIT message during program shutdown, regardless of what
> happens with the window that you are displaying.  A user could close the
> window and your ShowModal() function would still not ever exit correctly.
> When the user closes the window, you need to detect that so that you can
> break out of your loop and exit ShowModal(), allowing the rest of your
> application code to progress normally again.

What the code I posted did not show was, that tDialog is a descendant of
tWindow. In tWindow::WndProc() the WM_DESTROY messages is handled by
calling PostQuitMessage(0). Thus tDialog reponds to closing with sending
a WM_QUIT message. That should be enough to correctly break the
GetMessage loop in tDialog::ShowModal(), shouldn't it.

Martin

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