深入浅出MFC—Frame1[通俗易懂]

#include <stdio.h>

class CObject
{
public:
	CObject()
	{
		printf("CObject Constructor \n");
	}
	~CObject()
	{
		printf("CObject Destructor \n");
	}
};

class CCmdTarget:public CObject
{
public:
	CCmdTarget()
	{
		printf("CCmdTarget Constructor \n");
	}
	~CCmdTarget()
	{
		printf("CCmdTarget Destructor \n");
	}
};

class CWinThread:public CCmdTarget
{
public:
	CWinThread()
	{
		printf("CWinThread Constructor\n");
	}
	~CWinThread()
	{
		printf("CWinThread Destructor \n");
	}
};

class CWinApp:public CWinThread
{
public:
	CWinApp *m_pCurrentWinApp;
public:
	CWinApp()
	{
		m_pCurrentWinApp = this;
		printf("CWinApp Constructor \n");
	}
	~CWinApp()
	{
		printf("CWinApp Destructor \n");
	}
};

class CDocument :public CCmdTarget
{
public:
	CDocument()
	{
		printf("CDocument Constructor \n");
	}
	~CDocument()
	{
		printf("CDocument Destructor \n");
	}
};

class CWnd:public CCmdTarget
{
public:
	CWnd()
	{
		printf("CWnd Constructor \n");
	}
	~CWnd()
	{
		printf("CWnd Destructor \n");
	}
};

class CFrameWnd:public CWnd
{
public:
	CFrameWnd()
	{
		printf("CFrameWnd Constructor \n");
	}
	~CFrameWnd()
	{
		printf("CFrameWnd Destructor \n");
	}
};

class CView:public CWnd
{
public:
	CView()
	{
		printf("CView Constructor \n");
	}
	~CView()
	{
		printf("CView Destructor \n");
	}
};

//
class CMyWinApp:public CWinApp
{
public:
	CMyWinApp()
	{
		printf("CMyWinApp Constructor \n");
	}
	~CMyWinApp()
	{
		printf("CMyWinApp Destructor \n");
	}
};

CMyWinApp theApp;

//
CWinApp *AfxGetApp()
{
	return theApp.m_pCurrentWinApp;
}

class CMyFrameWnd:public CFrameWnd
{
public:
	CMyFrameWnd()
	{
		printf("CMyFrameWnd Constructor \n");
	}
	~CMyFrameWnd()
	{
		printf("CMyFrameWnd Destructor \n");
	}
};


void main()
{
	CWinApp *pApp = AfxGetApp();
}

//CObject    Constructor
//CCmdTarget Constructor
//CWinThread Constructor
//CWinApp    Constructor
//CMyWinApp  Constructor

//CMyWinApp  Destructor
//CWinApp    Destructor
//CWinThread Destructor
//CCmdTarget Destructor
//CObject    Destructor