学步园

//------------------------------------------------------<br /> // MFC.H<br /> //------------------------------------------------------<br /> #define BOOL int<br /> #define TRUE 1<br /> #define FALSE 0<br /> #include <iostream><br /> using namespace std;<br /> class CObject<br /> {<br /> public:<br /> CObject::CObject() { }<br /> CObject::~CObject() { }<br /> };<br /> class CCmdTarget : public CObject<br /> {<br /> public:<br /> CCmdTarget::CCmdTarget() { }<br /> CCmdTarget::~CCmdTarget() { }<br /> };<br /> class CWinThread : public CCmdTarget<br /> {<br /> public:<br /> CWinThread::CWinThread() { }<br /> CWinThread::~CWinThread() { }<br /> virtual BOOL InitInstance() { cout << "CWinThread::InitInstance /n"; return TRUE; }<br /> virtual int Run() { cout << "CWinThread::Run /n"; return 1; }<br /> };<br /> class CWnd;<br /> class CWinApp : public CWinThread<br /> {<br /> public:<br /> CWinApp* m_pCurrentWinApp;<br /> CWnd* m_pMainWnd;<br /> public:<br /> CWinApp::CWinApp() { m_pCurrentWinApp = this; }<br /> CWinApp::~CWinApp() { } </p> <p> virtual BOOL InitApplication() { cout << "CWinApp::InitApplication /n"; return TRUE; }<br /> virtual BOOL InitInstance() { cout << "CWinApp::InitInstance /n"; return TRUE; }<br /> virtual int Run() { cout << "CWinApp::Run /n"; return CWinThread::Run();}<br /> }; </p> <p> class CDocument : public CCmdTarget<br /> {<br /> public:<br /> CDocument::CDocument() { }<br /> CDocument::~CDocument() { }<br /> }; </p> <p> class CWnd : public CCmdTarget<br /> {<br /> public:<br /> CWnd::CWnd() { }<br /> CWnd::~CWnd() { }<br /> virtual BOOL Create();<br /> BOOL CreateEx();<br /> virtual BOOL PreCreateWindow();<br /> };<br /> class CFrameWnd : public CWnd<br /> {<br /> public:<br /> CFrameWnd::CFrameWnd() { }<br /> CFrameWnd::~CFrameWnd() { }<br /> BOOL Create();<br /> virtual BOOL PreCreateWindow();<br /> };<br /> class CView : public CWnd<br /> {<br /> public:<br /> CView::CView() { }<br /> CView::~CView() { }<br /> }; </p> <p>// global function<br /> CWinApp* AfxGetApp();</p> <p>//------------------------------------------------------<br /> // MY.H<br /> //------------------------------------------------------<br /> #include <iostream><br /> #include "mfc.h"<br /> class CMyWinApp : public CWinApp<br /> {<br /> public:<br /> CMyWinApp::CMyWinApp() { }<br /> CMyWinApp::~CMyWinApp() { }<br /> virtual BOOL InitInstance();<br /> };<br /> class CMyFrameWnd : public CFrameWnd<br /> {<br /> public:<br /> CMyFrameWnd();<br /> ~CMyFrameWnd() { }<br /> };<br /> //---------------------------------------------------------------<br /> // MFC.CPP<br /> //---------------------------------------------------------------<br /> #include "my.h" // 原该包含mfc.h 就好，但为了CMyWinApp 的定义，所以... </p> <p>extern CMyWinApp theApp; // external global object<br /> BOOL CWnd::Create()<br /> {<br /> cout << "CWnd::Create /n";<br /> return TRUE;<br /> }<br /> BOOL CWnd::CreateEx()<br /> {<br /> cout << "CWnd::CreateEx /n";<br /> PreCreateWindow();<br /> return TRUE;<br /> }<br /> BOOL CWnd::PreCreateWindow()<br /> {<br /> cout << "CWnd::PreCreateWindow /n";<br /> return TRUE;<br /> }<br /> BOOL CFrameWnd::Create()<br /> {<br /> cout << "CFrameWnd::Create /n";<br /> CreateEx();<br /> return TRUE;<br /> }<br /> BOOL CFrameWnd::PreCreateWindow()<br /> {<br /> cout << "CFrameWnd::PreCreateWindow /n";<br /> return TRUE;<br /> } </p> <p>CWinApp* AfxGetApp()<br /> {<br /> return theApp.m_pCurrentWinApp;<br /> } </p> <p>//---------------------------------------------------------------<br /> // MY.CPP<br /> //---------------------------------------------------------------<br /> #include "my.h"<br /> CMyWinApp theApp; // global object<br /> BOOL CMyWinApp::InitInstance()<br /> {<br /> cout << "CMyWinApp::InitInstance /n";<br /> m_pMainWnd = new CMyFrameWnd;<br /> return TRUE;<br /> }<br /> CMyFrameWnd::CMyFrameWnd()<br /> {<br /> cout << "CMyFrameWnd::CMyFrameWnd /n";<br /> Create();<br /> }<br /> //---------------------------------------------------------------<br /> // main<br /> //---------------------------------------------------------------<br /> void main()<br /> {<br /> CWinApp* pApp = AfxGetApp();<br /> pApp->InitApplication();<br /> pApp->InitInstance();<br /> pApp->Run();<br /> }<br />  

CWinApp::InitApplication

CMyWinApp::InitInstance

CMyFrameWnd::CMyFrameWnd

CFrameWnd::Create

CWnd::CreateEx

CFrameWnd::PreCreateWindow

CWinApp::Run

CWinThread::Run

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