adll.cpp

一个动态链接库的应用示例,以供初学者参考

#include <stdio.h>
#include <windows.h>
typedef int(*lpAddFun)(int, int); //宏定义函数指针类型
typedef int(*lpSubFun)(int, int); //宏定义函数指针类型
int main(int argc, char *argv[])
{
HINSTANCE hDll; //DLL句柄 
lpAddFun addFun; //函数指针
lpSubFun subFun; 
hDll = LoadLibrary("..\\Debug\\DynamicTest.dll");
if (hDll != NULL)
{
//addFun = (lpAddFun)GetProcAddress(hDll, "add");
  addFun = (lpAddFun)GetProcAddress(hDll,MAKEINTRESOURCE(1));
  subFun = (lpAddFun)GetProcAddress(hDll,MAKEINTRESOURCE(2));
if (addFun != NULL)
{
int result = addFun(2, 3);
printf("\n%d\n", result);
}
if (addFun != NULL)
{
int result = subFun(5, 3);
printf("\n%d\n", result);
}
FreeLibrary(hDll);
}
return 0;
}