// 20171122_01.cpp : Defines the entry point for the console application.

//



#include "stdafx.h"

#include "windows.h"

#include "stdlib.h"

#include "iostream.h"

#include <stdio.h>



struct Base{



	virtual void Fn1()

	{

		printf("Base:Fn1111\n");

	}

	

	virtual void Fn2()

	{

		printf("Base:Fn22222\n");

	}



	virtual void Fn3()

	{

		printf("Base:Fn33333\n");

	}



};





struct Sub:Base{

	

	virtual void Fn4()

	{

		printf("Base:Fn4444\n");

	}

	

	virtual void Fn5()

	{

		printf("Base:Fn55555\n");

	}

	

	virtual void Fn6()

	{

		printf("Base:Fn66666\n");

	}

	

};



void TestMethod()

{

	Sub mySub;

	printf("虚表的地址:%x \n",*((int*)(&mySub)));

	//定义函数指针

	

	typedef void(*pFunction)(void);

	pFunction pFn;



	//打印所有的虚函数表

	int Temp = *((int*)(&mySub));

	for(int i=0;i<6;i++)

	{

		int Fn = *((int*)Temp+i);

		printf("%d -- %x \n",i,Fn);

		pFn = (pFunction)Fn;

		pFn();



	}



}



int main(int argc, char* argv[])

{





	TestMethod();



	return 0;

}