1.C++创建Dll,Win32控制台,空项目,添加头文件NativeLib.h,NativeLib.cpp
extern "C" __declspec(dllexport) void __stdcall PrintMsg(const char* msg);
#include#include "NativeLib.h"void __stdcall PrintMsg(const char* msg){ printf("%s\n", msg); return;}
2.C#创建控制台应用程序HelloWorld
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Runtime.InteropServices;namespace HelloWorld{ class Program { [DllImport("NativeLib.dll")] static extern void PrintMsg(string msg); static void Main(string[] args) { PrintMsg("Hello world!"); Console.ReadLine(); } }}
3.修改C++项目属性:配置属性->连接器->常规->输出文件
修改C#项目属性:生成->输出->输出路径
两个输出路径要一致即可(eg:F:\试验\ex\Chapter 1\x86\Debug\NativeLib.dll(C++Dll输出文件),F:\试验\ex\Chapter 1\x86\Debug(C#输出路径))。