???????????????????????????д???????DLL???????д?????????????ù????г???????????????????д???????DLL??????????????????????
?????????????????????廹?к????????????????о???
????1.??Visual C++ ??????Win32????? DLL???????????????? ?磺MyDll1

????2.????????? Mydll1.h
????#pragma once
????#include <iostream>
????//???????
????int __stdcall Add(int a?? int b);
????void __stdcall  ShuChu();
????3.????????? Mydll1.cpp
#include "MyDLL1.h"
using namespace std;
int __stdcall Add(int a?? int b)
{
return a + b;
}
void __stdcall  ShuChu()
{
unsigned long i = 1;
unsigned long ulNum = 50000;  //???5???
while (ulNum != 0)
{
cout <<"The ulNum is: "<< i <<endl ;
ulNum--;
i++;
}
}
????4.????????????? Mydll1 ????????????￡???????????????)??