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Article #2301Re: My app closes, but cancels Windows shutdown?
From: Remy Lebeau (TeamB)
Date: Sat, 10 Mar 2007 00:45
Date: Sat, 10 Mar 2007 00:45
30 lines
2597 bytes
2597 bytes
"A Nonymous" <anonymous@hotmail.com> wrote in message news:Xns98EEAB7C7DA52anonymoushotmailcom@207.105.83.66... > Now the bad news... It doesn't seem to work. I get nothing. > In fact I tried setting a breakpoint on the if( nCode == HC_ACTION ) > line and then using my fake shutdown utility to send a > WM_QUERYENDSESSION. The app closed, but the break > point was never reached. Then SetWindowsHookEx() is failing to install the hook. Try passing the value of WinMain's hInstance parameter to SetWindowsHookEx's hMod parameter. > Should the hHook = SetWindowsHookEx line be the first line > in the WINAPI WinMani function or shold it come after the > Application->Initialize()? In this situation, it doesn't really matter mcuh, since the forms have not been created yet. I would suggest calling it before, though, so it is in place before any VCL initializations occur. > OK, I just checked one other thing. I put a break point on the > SetWindowsHookEx and after I stepped over it hHook was > still NULL. Is this normal? No. That is a failure. Gambit
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X-Google-Thread: 10cc67,346f60f70c29a156 X-Google-Attributes: gid10cc67,public X-Google-Language: ENGLISH,ASCII-7-bit From: "Remy Lebeau \(TeamB\)" <no.spam@no.spam.com> Newsgroups: borland.public.cppbuilder.nativeapi References: <Xns98ED90968E734anonymoushotmailcom@207.105.83.66> <45f07307@newsgroups.borland.com> <Xns98ED988E421A8anonymoushotmailcom@207.105.83.66> <45f08f8f$1@newsgroups.borland.com> <Xns98EDAC20DAA4Eanonymoushotmailcom@207.105.83.66> <45f095bf$1@newsgroups.borland.com> <45f0a594@newsgroups.borland.com> <45f0a77f$1@newsgroups.borland.com> <45f0d6c1@newsgroups.borland.com> <Xns98EE722D896C6anonymoushotmailcom@207.105.83.66> <45f1a96b$1@newsgroups.borland.com> <Xns98EE9F12960D1anonymoushotmailcom@207.105.83.66> <45f1d8a5$1@newsgroups.borland.com> <Xns98EEAB7C7DA52anonymoushotmailcom@207.105.83.66> Subject: Re: My app closes, but cancels Windows shutdown? Date: Fri, 9 Mar 2007 16:45:52 -0800 Lines: 32 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 NNTP-Posting-Host: 75.83.34.171 Message-ID: <45f1ffc0$1@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1173487552 75.83.34.171 (9 Mar 2007 16:45:52 -0800) Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!news.glorb.com!newsfeed.kamp.net!newsfeed.kamp.net!newsfeed.freenet.de!news.albasani.net!feeder06.uucp-net.de!reader.uucp.at!newsfeed.uucp.at!news.uucp.at!newsgroups.borland.com!not-for-mail