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Message Loop problem

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Hi, Since I'm new I need your help here with "Message loop". The exe uses 45-50% of processor when the codes written in 'C++', the main window is windowed and active though. Codes in 'C' gives me the desired result. I can't find out a valid reason. Codes: ... WinMain(.....) { MSG msg = {0}; .. .. //Message Loop while (WM_QUIT = msg.message) { if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) { TranslateMessage(&msg); DispatchMessage(&msg); } else if (bActive) { Render(); // for 'C' // pApp->Render(); // for 'C++' } return 0; } -------------------------------------------------------------------- class CSampleApp : public CDirect3D { .... .... }; CSampleApp* pApp = new CSampleApp(nwidth, nheight, nbpp, bwindowed); class CDirect3D { public: .... .... virtual void Render(); .... .... } void CSampleApp::Render() { ..... ..... m_pDevice->Clear(...); m_pDevice->BeginScene(...); m_pDevice->EndScene(...); m_pDevice->Present(...); } --------------------------------------------------------------------- Thanks.

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