使用MFC向導，生成一個對話框的應用程序。通過調試、設置斷點的方式解析MFC程序。下面只是給出主要的源代碼以及它們所在文件的名字。
??1
/**//*
??2
????Noun?Explain:?
??3????1、CRT:?C?run-time
??4????you?can?refer?to?C運行庫到底是什么東西？它和操作系統有沒有關系？
??5????http://tech.cixiong.com/t/200406/17/0229562.html
??6
*/
??7
//在此之前調用了__DllMainCRTStartup，?VC\crt\src\crtdll.c?464,?還有一個重要的crtlib.c文件
??8//you?can?refer?to?MFC技術內幕系列http://www.mx68.com/WebDeveloper/2006-03-10/WebDeveloper_26756.shtml
??9/**//*
?10????seq1?VC\crt\src\crtexe.c?,?main?function
?11*/
?12/**//***
?13*mainCRTStartup(void)
?14*wmainCRTStartup(void)
?15*WinMainCRTStartup(void)
?16*wWinMainCRTStartup(void)
?17*
?18*Purpose:
?19*???????These?routines?do?the?C?runtime?initialization,?call?the?appropriate
?20*???????user?entry?function,?and?handle?termination?cleanup.??For?a?managed
?21*???????app,?they?then?return?the?exit?code?back?to?the?calling?routine,?which
?22*???????is?the?managed?startup?code.??For?an?unmanaged?app,?they?call?exit?and
?23*???????never?return.
?24*
?25*???????Function:???????????????User?entry?called:
?26*???????mainCRTStartup??????????main
?27*???????wmainCRTStartup?????????wmain
?28*???????WinMainCRTStartup???????WinMain
?29*???????wWinMainCRTStartup??????wWinMain
?30*
?31*Entry:
?32*
?33*Exit:
?34*???????Managed?app:?return?value?from?main()?et?al,?or?the?exception?code?if
?35*?????????????????execution?was?terminated?by?the?__except?guarding?the?call
?36*?????????????????to?main().
?37*???????Unmanaged?app:?never?return.
?38*
?39*******************************************************************************/
?40int?WinMainCRTStartup(void)
?41
{
?42????return?__tmainCRTStartup();
?43}
?44
?45/**//*
?46????seq2?
?47*/
?48int?__tmainCRTStartup(void)
?49{
?50????STARTUPINFO?StartupInfo;
?51
????/**//*
?52????The?API?GetStartupInfo?function?retrieves?the?contents?of?the?STARTUPINFO?structure?that?was?specified?
?53????when?the?calling?process?was?created.
?54
?55????The?STARTUPINFO?structure?is?used?with?the?CreateProcess,?CreateProcessAsUser,?and?
?56????CreateProcessWithLogonW?functions?to?specify?the?window?station,?desktop,?standard?handles,?and?
?57????appearance?of?the?main?window?for?the?new?process.
?58
?59????Before?run?GetStartupInfo(),?it?must?call?CreateProcess.?but?i?don't?know?how?make?break?point?
?60????and?in?witch?file?make?break?point.
?61????在這之前應該調用了CreateProcess函數，因為運行GetStartupInfo之后，StartupInfo結構被填充了：包括進程的路徑、
?62????名稱……
?63
????*/
?64????GetStartupInfo(?&StartupInfo?);
?65
?66????/**//*
?67????*?do?C++?constructors?(initializers)?specific?to?this?EXE
?68????*/
?69????if?(__native_startup_state?==?__initializing)
?70????{
?71????????/**//*????
?72?????????*?pointers?to?initialization?sections
?73????????extern?_CRTALLOC(".CRT$XIA")?_PIFV?__xi_a[];
?74????????extern?_CRTALLOC(".CRT$XIZ")?_PIFV?__xi_z[];????//?C?initializers?
?75????????extern?_CRTALLOC(".CRT$XCA")?_PVFV?__xc_a[];
?76????????extern?_CRTALLOC(".CRT$XCZ")?_PVFV?__xc_z[];????//?C++?initializers?
?77????????extern?_CRTALLOC(".CRT$XPA")?_PVFV?__xp_a[];
?78????????extern?_CRTALLOC(".CRT$XPZ")?_PVFV?__xp_z[];???//?C?pre-terminators?
?79????????extern?_CRTALLOC(".CRT$XTA")?_PVFV?__xt_a[];
?80????????extern?_CRTALLOC(".CRT$XTZ")?_PVFV?__xt_z[];????//?C?terminators?
?81????????*/
?82????????_initterm(?__xc_a,?__xc_z?);//please?see?seq3
?83????}
?84?????/**//*
?85?????*?Skip?past?program?name?(first?token?in?command?line).
?86?????*?Check?for?and?handle?quoted?program?name.
?87?????*/
?88????#ifdef?WPRFLAG
?89????????????????/**//*?OS?may?not?support?"W"?flavors?*/
?90????????????????if?(_wcmdln?==?NULL)
?91????????????????????return?255;
?92????????????????lpszCommandLine?=?(wchar_t?*)_wcmdln;
?93????#else??/*?WPRFLAG?*/
?94????//can?get?the?application's?complete?name:
?95????//lpszCommandLine????0x00020724?""e:\……\debug\CapturePacket.exe
?96????//_acmdln's?definition?is?in?C:\Program?Files\Microsoft?Visual?Studio?8\VC\crt\src\crtlib.c,?it?is?initialized
?97????//by?_acmdln?=?(char?*)GetCommandLineA()?in?function?__CRTDLL_INIT?Line317
?98????//GetCommandLineA在winbase.h、Kernel32.lib中定義的SDKapi
?99????????????????lpszCommandLine?=?(unsigned?char?*)_acmdln;
100????#endif??/*?WPRFLAG?*/
101
102????mainret?=?WinMain(
103???????????????????????(HINSTANCE)&__ImageBase,
104???????????????????????NULL,
105???????????????????????lpszCommandLine,
106???????????????????????StartupInfo.dwFlags?&?STARTF_USESHOWWINDOW
107??????????????????????????StartupInfo.wShowWindow
108????????????????????????:?SW_SHOWDEFAULT
109??????????????????????);//see?seq4
110}
111
112/**//*
113????seq3
114????VC\crt\src\crt0dat.c?,?main?function
115????you?can?refer?to?靜態對象、全局對象與程序的運行機制?http://dev.csdn.net/Develop/article/28/61880.shtm
116
117????在函數指針表中不斷循環找到所有函數的入口（內存地址）（在WinMainCRTStartup啟動函數之前就把所有的函數入口
118????地址保存了？這項工作是在創建Process的時候做的？）
119*/
120/**//***
121*?static?void?_initterm(_PVFV?*?pfbegin,?_PVFV?*?pfend)?-?call?entries?in
122*???????function?pointer?table
123*
124*Purpose:
125*???????Walk?a?table?of?function?pointers,?calling?each?entry,?as?follows:
126*
127*???????????1.?walk?from?beginning?to?end,?pfunctbl?is?assumed?to?point
128*??????????????to?the?beginning?of?the?table,?which?is?currently?a?null?entry,
129*??????????????as?is?the?end?entry.
130*???????????2.?skip?NULL?entries
131*???????????3.?stop?walking?when?the?end?of?the?table?is?encountered
132*
133*Entry:
134*???????_PVFV?*pfbegin??-?pointer?to?the?beginning?of?the?table?(first
135*?????????????????????????valid?entry).
136*???????_PVFV?*pfend????-?pointer?to?the?end?of?the?table?(after?last
137*?????????????????????????valid?entry).
138*
139*Exit:
140*???????No?return?value
141*
142*Notes:
143*???????This?routine?must?be?exported?in?the?CRT?DLL?model?so?that?the?client
144*???????EXE?and?client?DLL(s)?can?call?it?to?initialize?their?C++?constructors.
145*
146*Exceptions:
147*???????If?either?pfbegin?or?pfend?is?NULL,?or?invalid,?all?bets?are?off!
148*
149*******************************************************************************/
150
151void?__cdecl?_initterm?(_PVFV?*?pfbegin,?_PVFV?*?pfend)
152{
153????/**//*
154????在此設置斷點，可以看到pfbegin、pfend的類型為void(void)**（空函數指針的指針？0x0041d000-0x0041d41c），循環指向函數入口地址。
155????Call?Stack中可以看到msvcr80d.dll（和kernel32.dll）
156????*/
157?????/**//*
158?????*?walk?the?table?of?function?pointers?from?the?bottom?up,?until
159?????*?the?end?is?encountered.??Do?not?skip?the?first?entry.??The?initial
160?????*?value?of?pfbegin?points?to?the?first?valid?entry.??Do?not?try?to
161?????*?execute?what?pfend?points?to.??Only?entries?before?pfend?are?valid.
162?????*/
163????while?(?pfbegin?<?pfend?)
164????{
165????????/**//*
166?????????*?if?current?table?entry?is?non-NULL,?call?thru?it.
167?????????*/
168????????if?(?*pfbegin?!=?NULL?)
169????????/**//*
170????????????第1次、在0x0041d104?pcppinit
171????????????????0x00414340?pre_cpp_init(void)進入
172????????????第2次、在0x0041d208?_afxInitAppState$initializer$
173????????????????0x00419fe0?'dynamic?initializer?for?'_afxInitAppState"(void)進入
174????????????第3次、在0x0041d30c?theApp$initializer$?對象的定義（構造函數）
175????????????????0x00419fe0?'dynamic?initializer?for?'theApp"(void)進入
176????????????第4次、在0x0041d310?clash$initializer$
177????????????????0x00419f20?Inconsistent_definition_of_symbol__ATL_MIXED::`dynamic?initializer?for?'clash''(void)進入
178????????????第5次、在0x0041d314?clash$initializer$
179????????????????0x00419f60?Define_the_symbol__ATL_MIXED::`dynamic?initializer?for?'clash''(void)進入
180????????*/
181????????????(**pfbegin)();//指針的指針
182????????++pfbegin;
183????}
184}
185
186/**//***
187????seq3.1
188*pre_cpp_init(void)?crtexe.c?Line295
189*
190*Purpose:
191*???????The?code?in?mainCRTStartup?that?was?executed?after?C?initializers?and
192*???????before?C++?initializers?is?shifted?in?this?function.?Also?this?funciton
193*???????is?the?first?thing?that?is?executed?in?C++?init?section.
194*
195*Entry:
196*
197*Exit:
198*
199*******************************************************************************/
200
201static?void?__cdecl?pre_cpp_init(void)
202{
203#ifdef?_RTC
204????atexit(_RTC_Terminate);
205#endif??/*?_RTC?*/
206
207????/**//*
208?????*?Get?the?arguments?for?the?call?to?main.?Note?this?must?be
209?????*?done?explicitly,?rather?than?as?part?of?the?dll's
210?????*?initialization,?to?implement?optional?expansion?of?wild
211?????*?card?chars?in?filename?args
212?????*/
213
214????startinfo.newmode?=?_newmode;
215
216
217#ifdef?WPRFLAG
218????argret?=?__wgetmainargs(&argc,?&argv,?&envp,
219????????????????????????????_dowildcard,?&startinfo);
220#else??/*?WPRFLAG?*/
221????argret?=?__getmainargs(&argc,?&argv,?&envp,
222???????????????????????????_dowildcard,?&startinfo);
223#endif??/*?WPRFLAG?*/
224
225#ifndef?_SYSCRT
226????if?(argret?<?0)
227????????_amsg_exit(_RT_SPACEARG);
228#endif??/*?_SYSCRT?*/
229}
230/**//*
231????seq3.2
232????\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\appmodul.cpp?Line70
233*/
234char?_afxInitAppState?=?(char)(AfxInitialize(FALSE,?_MFC_VER));
235
236/**//////////////////////////////////////////////////////////////////////////////237//seq3.2.1
238//?initialize?app?state?such?that?it?points?to?this?module's?core?state
239//\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\appmodul.cpp?Line31
240
241BOOL?AFXAPI?AfxInitialize(BOOL?bDLL,?DWORD?dwVersion)
242{
243????//AfxGetModuleState：c:\program?files\microsoft?visual?studio?8\vc\atlmfc\include\afxstat_.h?Line206
244????/**//*
245????CWinApp*?m_pCurrentWinApp;??????????????//0x00000000
246????HINSTANCE?m_hCurrentInstanceHandle;????????//0x00000000
247????HINSTANCE?m_hCurrentResourceHandle;????????//0x00000000
248????LPCTSTR?m_lpszCurrentAppName;????????????//0x00000000
249????BYTE?m_bDLL;????//?TRUE?if?module?is?a?DLL,?FALSE?if?it?is?an?EXE??//1
250????BYTE?m_bSystem;?//?TRUE?if?module?is?a?"system"?module,?FALSE?if?not??//0
251????BYTE?m_bReserved[2];?//?padding
252
253????DWORD?m_fRegisteredClasses;?//?flags?for?registered?window?classes
254????……
255????*/
256????AFX_MODULE_STATE*?pModuleState?=?AfxGetModuleState();
257????pModuleState->m_bDLL?=?(BYTE)bDLL;
258????ASSERT(dwVersion?<=?_MFC_VER);
259????UNUSED(dwVersion);??//?not?used?in?release?build
260#ifdef?_AFXDLL
261????pModuleState->m_dwVersion?=?dwVersion;
262#endif
263#ifdef?_MBCS
264????//?set?correct?multi-byte?code-page?for?Win32?apps
265????if?(!bDLL)
266????????_setmbcp(_MB_CP_ANSI);
267#endif?//_MBCS
268????return?TRUE;
269}
270
271/**//*
272????seq3.3.1
273????My?dialog?class:CCapturePacketApp
274*/
275CCapturePacketApp?theApp;
276/**//*
277????seq3.3.1.5
278????先調用父類CWinApp的constructor
279*/
280CCapturePacketApp::CCapturePacketApp()
281{
282}
283/**//*
284????seq3.3.1.4
285????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\appcore.cpp?Line401
286????先調用父類CWinThread的constructor
287????函數中的變量如m_pszAppName、m_hThread、m_nThreadID、m_hInstance……都在
288????c:\program?files\microsoft?visual?studio?8\vc\atlmfc\include\afxwin.h中定義
289*/
290CWinApp::CWinApp(LPCTSTR?lpszAppName)
291{
292????if?(lpszAppName?!=?NULL)
293????????m_pszAppName?=?_tcsdup(lpszAppName);
294????else
295????????m_pszAppName?=?NULL;
296
297????//?initialize?CWinThread?state
298????AFX_MODULE_STATE*?pModuleState?=?_AFX_CMDTARGET_GETSTATE();
299????ENSURE(pModuleState);
300????AFX_MODULE_THREAD_STATE*?pThreadState?=?pModuleState->m_thread;
301????ENSURE(pThreadState);
302????ASSERT(AfxGetThread()?==?NULL);
303????pThreadState->m_pCurrentWinThread?=?this;
304????ASSERT(AfxGetThread()?==?this);
305????//Platform?SDK?Kernel32.dll
306????//The?GetCurrentThread?function?retrieves?a?pseudo?handle?for?the?current?thread.
307????m_hThread?=?::GetCurrentThread();
308????m_nThreadID?=?::GetCurrentThreadId();
309
310????//?initialize?CWinApp?state
311????ASSERT(afxCurrentWinApp?==?NULL);?//?only?one?CWinApp?object?please
312????//its?value:0x00421340?class?CCapturePacketApp?theApp?{CWinApp?<Bad?Ptr>}
313????pModuleState->m_pCurrentWinApp?=?this;
314????ASSERT(AfxGetApp()?==?this);
315
316????//?in?non-running?state?until?WinMain
317????m_hInstance?=?NULL;
318????m_hLangResourceDLL?=?NULL;
319????m_pszHelpFilePath?=?NULL;
320????m_pszProfileName?=?NULL;
321????m_pszRegistryKey?=?NULL;
322????m_pszExeName?=?NULL;
323????m_pRecentFileList?=?NULL;
324????m_pDocManager?=?NULL;
325????m_atomApp?=?m_atomSystemTopic?=?NULL;
326????m_lpCmdLine?=?NULL;
327????m_pCmdInfo?=?NULL;
328
329????//?initialize?wait?cursor?state
330????m_nWaitCursorCount?=?0;
331????m_hcurWaitCursorRestore?=?NULL;
332
333????//?initialize?current?printer?state
334????m_hDevMode?=?NULL;
335????m_hDevNames?=?NULL;
336????m_nNumPreviewPages?=?0;?????//?not?specified?(defaults?to?1)
337
338????//?initialize?DAO?state
339????m_lpfnDaoTerm?=?NULL;???//?will?be?set?if?AfxDaoInit?called
340
341????//?other?initialization
342????m_bHelpMode?=?FALSE;
343????m_eHelpType?=?afxWinHelp;
344????m_nSafetyPoolSize?=?512;????????//?default?size
345}
346/**//*
347????seq3.3.1.3
348????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\thrdcore.cpp?Line474
349????先調用父類CCmdTarget的constructor
350*/
351CWinThread::CWinThread()
352{
353????m_pThreadParams?=?NULL;
354????m_pfnThreadProc?=?NULL;
355
356????CommonConstruct();
357}
358
359/**//*
360????seq3.3.1..2
361????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\cmdtarg.cpp?Line21
362????先調用父類CObject的constructor
363????函數中的變量如m_pModuleState、m_dwRef等都在c:\program?files\microsoft?visual?studio?8\vc\atlmfc\include\afxwin.h
364????中定義
365*/
366CCmdTarget::CCmdTarget()
367{
368????//?capture?module?state?where?object?was?constructed
369????/**//*
370????????value：0x001544a0
371????CWinApp*?m_pCurrentWinApp;??????????????//0x00000000
372????HINSTANCE?m_hCurrentInstanceHandle;????????//0x00000000
373????HINSTANCE?m_hCurrentResourceHandle;????????//0x00000000
374????LPCTSTR?m_lpszCurrentAppName;????????????//0x00000000
375????BYTE?m_bDLL;????//?TRUE?if?module?is?a?DLL,?FALSE?if?it?is?an?EXE??//0
376????BYTE?m_bSystem;?//?TRUE?if?module?is?a?"system"?module,?FALSE?if?not??//0
377????BYTE?m_bReserved[2];?//?padding
378
379????DWORD?m_fRegisteredClasses;?//?flags?for?registered?window?classes?//0
380????……
381????*/
382????m_pModuleState?=?AfxGetModuleState();
383????ASSERT(m_pModuleState?!=?NULL);
384
385????//?initialize?state
386#ifndef?_AFX_NO_OLE_SUPPORT
387????m_dwRef?=?1;
388????m_pOuterUnknown?=?NULL;
389????m_xInnerUnknown?=?0;
390????m_xDispatch.m_vtbl?=?0;
391????m_bResultExpected?=?TRUE;
392????m_xConnPtContainer.m_vtbl?=?0;
393#endif
394}
395/**//*
396????seq3.3.1..1
397????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\include\afx.inl?Line91
398*/
399_AFX_INLINE?CObject::CObject()
400{
401}
402
403/**//*
404????seq3.3.1.6
405????C:\Program?Files\Microsoft?Visual?Studio?8\VC\crt\src\atonexit.c?Line123
406*/
407int?__cdecl?atexit?(
408????????_PVFV?func
409????????)
410{
411????????return?(_onexit((_onexit_t)func)?==?NULL)???-1?:?0;
412}
413
414/**//*
415????seq3.4
416????c:\program?files\microsoft?visual?studio?8\vc\atlmfc\include\atldef.h?Line55
417*/
418__declspec(selectany)?_Please_define_it_the_same_throughout_your_project?clash?=?_Please_define_it_the_same_throughout_your_project?();
419
420/**//*
421????seq3.5
422????c:\program?files\microsoft?visual?studio?8\vc\atlmfc\include\atldef.h?Line71
423*/
424__declspec(selectany)?Thank_you?clash?=?Thank_you();
425
426/**//*
427????seq4
428????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\appmodul.cpp?Line23
429*/
430extern?"C"?int?WINAPI
431_tWinMain(HINSTANCE?hInstance,?HINSTANCE?hPrevInstance,
432????__in?LPTSTR?lpCmdLine,?int?nCmdShow)
433{
434????//?call?shared/exported?WinMain
435????return?AfxWinMain(hInstance,?hPrevInstance,?lpCmdLine,?nCmdShow);
436}
437
438/**//*
439????seq4.1
440????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\winmain.cpp?Line19
441*/
442int?AFXAPI?AfxWinMain(HINSTANCE?hInstance,?HINSTANCE?hPrevInstance,
443????__in?LPTSTR?lpCmdLine,?int?nCmdShow)
444{
445????int?nReturnCode?=?-1;
446????//C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\thrdcore.cpp?Line134
447????/**//*
448????????CWinThread*?AFXAPI?AfxGetThread()
449????????{
450????????????//?check?for?current?thread?in?module?thread?state
451????????????AFX_MODULE_THREAD_STATE*?pState?=?AfxGetModuleThreadState();
452????????????CWinThread*?pThread?=?pState->m_pCurrentWinThread;
453????????????return?pThread;
454????????}
455????*/
456????//#define?afxCurrentWinApp????AfxGetModuleState()->m_pCurrentWinApp:
457????CWinThread*?pThread?=?AfxGetThread();
458????CWinApp*?pApp?=?AfxGetApp();
459
460????//?AFX?internal?initialization
461????//see?seq4.1.1
462????if?(!AfxWinInit(hInstance,?hPrevInstance,?lpCmdLine,?nCmdShow));
463
464????//?App?global?initializations?(rare)
465????//see?seq4.1.2
466????if?(pApp?!=?NULL?&&?!pApp->InitApplication());
467
468????//?Perform?specific?initializations
469????//see?seq4.1.3
470????if?(!pThread->InitInstance())
471????{
472????????if?(pThread->m_pMainWnd?!=?NULL)
473????????{
474????????????TRACE(traceAppMsg,?0,?"Warning:?Destroying?non-NULL?m_pMainWnd\n");
475????????????pThread->m_pMainWnd->DestroyWindow();
476????????}
477????????nReturnCode?=?pThread->ExitInstance();
478????????goto?InitFailure;
479????}
480????nReturnCode?=?pThread->Run();
481
482InitFailure:
483#ifdef?_DEBUG
484????//?Check?for?missing?AfxLockTempMap?calls
485????if?(AfxGetModuleThreadState()->m_nTempMapLock?!=?0)
486????{
487????????TRACE(traceAppMsg,?0,?"Warning:?Temp?map?lock?count?non-zero?(%ld).\n",
488????????????AfxGetModuleThreadState()->m_nTempMapLock);
489????}
490????AfxLockTempMaps();
491????AfxUnlockTempMaps(-1);
492#endif
493
494????AfxWinTerm();
495????return?nReturnCode;
496}
497
498/**//*
499????seq4.1.1
500????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\appinit.cpp?Line19
501*/
502BOOL?AFXAPI?AfxWinInit(HINSTANCE?hInstance,?HINSTANCE?hPrevInstance,
503????__in?LPTSTR?lpCmdLine,?int?nCmdShow)
504{
505????ASSERT(hPrevInstance?==?NULL);
506
507
508????//?handle?critical?errors?and?avoid?Windows?message?boxes
509????SetErrorMode(SetErrorMode(0)?|
510????????SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX);
511
512????//?set?resource?handles
513????AFX_MODULE_STATE*?pModuleState?=?AfxGetModuleState();
514????pModuleState->m_hCurrentInstanceHandle?=?hInstance;
515????pModuleState->m_hCurrentResourceHandle?=?hInstance;
516????pModuleState->CreateActivationContext();
517
518????//?fill?in?the?initial?state?for?the?application
519????CWinApp*?pApp?=?AfxGetApp();
520????if?(pApp?!=?NULL)
521????{
522????????//?Windows?specific?initialization?(not?done?if?no?CWinApp)
523????????pApp->m_hInstance?=?hInstance;
524????????hPrevInstance;?//?Obsolete.
525????????pApp->m_lpCmdLine?=?lpCmdLine;
526????????pApp->m_nCmdShow?=?nCmdShow;
527????????pApp->SetCurrentHandles();
528????}
529
530????//?initialize?thread?specific?data?(for?main?thread)
531????if?(!afxContextIsDLL)
532????????AfxInitThread();
533
534????//?Initialize?CWnd::m_pfnNotifyWinEvent
535????HMODULE?hModule?=?::GetModuleHandle(_T("user32.dll"));
536????if?(hModule?!=?NULL)
537????{
538????????CWnd::m_pfnNotifyWinEvent?=?(CWnd::PFNNOTIFYWINEVENT)::GetProcAddress(hModule,?"NotifyWinEvent");
539????}
540
541????return?TRUE;
542}
543/**//*
544????seq4.1.2
545????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\appcore.cpp?Line563
546*/
547BOOL?CWinApp::InitApplication()
548{
549????if?(CDocManager::pStaticDocManager?!=?NULL)
550????{
551????????if?(m_pDocManager?==?NULL)
552????????????m_pDocManager?=?CDocManager::pStaticDocManager;
553????????CDocManager::pStaticDocManager?=?NULL;
554????}
555
556????if?(m_pDocManager?!=?NULL)
557????????m_pDocManager->AddDocTemplate(NULL);
558????else
559????????CDocManager::bStaticInit?=?FALSE;
560
561????LoadSysPolicies();
562
563????return?TRUE;
564}
565/**//*
566????seq4.1.2.1
567????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\appcore.cpp?Line460
568*/
569//?This?function?is?not?exception?safe?-?will?leak?a?registry?key?if?exceptions?are?thrown?from?some?places
570//?To?reduce?risk?of?leaks,?I've?declared?the?whole?function?throw().?This?despite?the?fact?that?its?callers?have
571//?no?dependency?on?non-throwing.
572BOOL?CWinApp::_LoadSysPolicies()?throw()
573{
574}
575
576/**//*
577????seq4.1.3
578????……\CapturePacket.cpp?
579*/
580BOOL?CCapturePacketApp::InitInstance()
581{
582????//?InitCommonControlsEx()?is?required?on?Windows?XP?if?an?application
583????//?manifest?specifies?use?of?ComCtl32.dll?version?6?or?later?to?enable
584????//?visual?styles.??Otherwise,?any?window?creation?will?fail.
585????INITCOMMONCONTROLSEX?InitCtrls;
586????InitCtrls.dwSize?=?sizeof(InitCtrls);
587????//?Set?this?to?include?all?the?common?control?classes?you?want?to?use
588????//?in?your?application.
589????InitCtrls.dwICC?=?ICC_WIN95_CLASSES;
590????InitCommonControlsEx(&InitCtrls);
591
592????CWinApp::InitInstance();
593
594????AfxEnableControlContainer();
595
596????//?Standard?initialization
597????//?If?you?are?not?using?these?features?and?wish?to?reduce?the?size
598????//?of?your?final?executable,?you?should?remove?from?the?following
599????//?the?specific?initialization?routines?you?do?not?need
600????//?Change?the?registry?key?under?which?our?settings?are?stored
601????//?TODO:?You?should?modify?this?string?to?be?something?appropriate
602????//?such?as?the?name?of?your?company?or?organization
603????SetRegistryKey(_T("Local?AppWizard-Generated?Applications"));
604
605????CCapturePacketDlg?dlg;
606????m_pMainWnd?=?&dlg;
607????//message?loop?here:
608????/**//*
609????????！！see?seq4.1.3.1
610????*/
611????INT_PTR?nResponse?=?dlg.DoModal();
612????if?(nResponse?==?IDOK)
613????{
614????????//?TODO:?Place?code?here?to?handle?when?the?dialog?is
615????????//??dismissed?with?OK
616????}
617????else?if?(nResponse?==?IDCANCEL)
618????{
619????????//?TODO:?Place?code?here?to?handle?when?the?dialog?is
620????????//??dismissed?with?Cancel
621????}
622
623????//?Since?the?dialog?has?been?closed,?return?FALSE?so?that?we?exit?the
624????//??application,?rather?than?start?the?application's?message?pump.
625
626????
627????return?FALSE;
628}
629
630/**//*
631????seq4.1.3.1
632????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\dlgcore.cpp?Line483
633*/
634INT_PTR?CDialog::DoModal()
635{
636????//……
637????//see?seq4.1.3.1.1
638????VERIFY(RunModalLoop(dwFlags)?==?m_nModalResult);
639????//……
640}
641/**//*
642????seq4.1.3.1.1
643????C:\Program?Files\Microsoft?Visual?Studio?8\VC\atlmfc\src\mfc\wincore.cpp?Line4270
644*/
645int?CWnd::RunModalLoop(DWORD?dwFlags)
646{
647????//……
648????for?(;;)
649????{
650????????//……
651????????//?phase1:?check?to?see?if?we?can?do?idle?work
652????????while?(bIdle?&&
653????????????!::PeekMessage(pMsg,?NULL,?NULL,?NULL,?PM_NOREMOVE))
654????????{
655????????????//……
656????????}
657????????//?phase2:?pump?messages?while?available
658????????do
659????????{
660????????????//……
661????????????if?(!ContinueModal())
662????????????????goto?ExitModal;
663????????}while?(::PeekMessage(pMsg,?NULL,?NULL,?NULL,?PM_NOREMOVE));
664????}
665????ExitModal:
666????m_nFlags?&=?~(WF_MODALLOOP|WF_CONTINUEMODAL);
667????return?m_nModalResult;
668}