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Subject: ...->QueryInterface(...) fails in Release mode... Sender: anders.pettersson@ceco.se 20.02.06 09:22 I've used the I3DViewService4 interface a quite long time now in Debug mode in Visual C++ 6.0. It works great in Debugmode but when I change to Release I got a crash att the following line: IServiceProvider* servprov; if (SUCCEEDED(engine->QueryInterface(IID_IServiceProvider, reinterpret_cast<void**>(&servprov)))) { ... All tips are welcomed!!   [reply] [back to forum] [new message] [all forums] ...->QueryInterface(...) fails in Release mode... / anders.pettersson@ceco.se / 20.02.06 09:22 Messages in thread: 1 [reply] [back to forum] [new message] [all forums]