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BOOL CEx06aApp::InitInstance() { …………… CSingleDocTemplate* pDocTemplate; pDocTemplate = new CSingleDocTemplate( IDR_MAINFRAME, RUNTIME_CLASS(CEx06aDoc), RUNTIME_CLASS(CMainFrame), // main SDI frame window RUNTIME_CLASS(CEx06aView)); AddDocTemplate(pDocTemplate); CCommandLineInfo cmdInfo; ParseCommandLine(cmdInfo); if (!ProcessShellCommand(cmdInfo)) return FALSE; m_pMainWnd->ShowWindow(SW_SHOW); m_pMainWnd->UpdateWindow(); return TRUE; } |
nReturnCode = pThread->Run(); |
int CWinApp::Run() { if (m_pMainWnd == NULL && AfxOleGetUserCtrl()) { // Not launched /Embedding or /Automation, but has no main window! TRACE0("Warning: m_pMainWnd is NULL in CWinApp::Run - quitting application.\n"); AfxPostQuitMessage(0); } return CWinThread::Run(); } |
int CWinThread::Run() { ASSERT_VALID(this); // for tracking the idle time state BOOL bIdle = TRUE; LONG lIdleCount = 0; // acquire and dispatch messages until a WM_QUIT message is received. for (;;) { // phase1: check to see if we can do idle work while (bIdle && !::PeekMessage(&m_msgCur, NULL, NULL, NULL, PM_NOREMOVE)) { // call OnIdle while in bIdle state if (!OnIdle(lIdleCount++)) bIdle = FALSE; // assume "no idle" state } // phase2: pump messages while available do { // pump message, but quit on WM_QUIT if (!PumpMessage()) return ExitInstance(); // reset "no idle" state after pumping "normal" message if (IsIdleMessage(&m_msgCur)) { bIdle = TRUE; lIdleCount = 0; } } while (::PeekMessage(&m_msgCur, NULL, NULL, NULL, PM_NOREMOVE)); } ASSERT(FALSE); // not reachable } BOOL CWinThread::IsIdleMessage(MSG* pMsg) { // Return FALSE if the message just dispatched should _not_ // cause OnIdle to be run. Messages which do not usually // affect the state of the user interface and happen very // often are checked for. // redundant WM_MOUSEMOVE and WM_NCMOUSEMOVE if (pMsg->message == WM_MOUSEMOVE || pMsg->message == WM_NCMOUSEMOVE) { // mouse move at same position as last mouse move? if (m_ptCursorLast == pMsg->pt && pMsg->message == m_nMsgLast) return FALSE; m_ptCursorLast = pMsg->pt; // remember for next time m_nMsgLast = pMsg->message; return TRUE; } // WM_PAINT and WM_SYSTIMER (caret blink) return pMsg->message != WM_PAINT && pMsg->message != 0x0118; } |
while (bIdle && !::PeekMessage(&m_msgCur, NULL, NULL, NULL, PM_NOREMOVE)) { // call OnIdle while in bIdle state if (!OnIdle(lIdleCount++)) bIdle = FALSE; // assume "no idle" state } |
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