c# 与 c++基础交互

本人菜鸟一枚，本篇文章只为自己做个记录。

//test.h
#pragma once
#if defined (EXPORTBUILD)  
# define _DLLExport __declspec (dllexport)  
# else  
# define _DLLExport __declspec (dllimport)  
#endif   
extern "C"  int _DLLExport MyADD(int x, int y);
extern "C" int _DLLExport GetIsRightTime();
extern "C" char _DLLExport *GetString();

//test.cpp
//宏定义    
#define  EXPORTBUILD    

//加载头文件    
#include "Test.h"
#include <time.h>
#include <iostream>
#include <stdlib.h>

//设置函数    
int _DLLExport MyADD(int x, int y)  
{  
    return x + y;  
}  

int _DLLExport GetIsRightTime()
{
time_t tt = time(NULL);
tm* t = localtime(&tt);
return t->tm_mon+1;
};

char _DLLExport *GetString()
{
char* str = "aaa";
return str;
}

 
参考链接：http://blog.csdn.net/qcontriver/article/details/9455481   

    http://www.cnblogs.com/equation/articles/6560451.html   

    http://wangqingpei557.blog.51cto.com/1009349/595015