VS2010 C#调用C++ DLL文件.NET教程网——简单专业的.NET技术网站.pdf

TAG RSS ASP.NET IT C# SQL VB.NET AJAX silverlight .NET Google DLL EXE C# VB DLL C C++ Java : C# VS2010 C#C++ DLL : 2011-04-06 10:19 : : admin : 4224 ASP.NET1.0/2.0/3.5/4.0/MVC C#DLLC#DllImport 1. CSharpInvokeCPP 2. C++ 3. “DLL” dllmain.cppDLLexemainWinMain DLLLoadLibraryFreeLibrary /benkaoya/archive/2008/06/02/2504781.aspx 4. CSharpInvokeCPP.CPPDemo.cpp 1 // CSharpInvokeCPP.CPPDemo.cpp : DLL 2 // 3 4 #include stdafx.h 5 6 extern C __declspec(dllexport) int Add(int x, int y) 7 { 8 return x + y; 9 } 10 extern C __declspec(dllexport) int Sub(int x, int y) 11 { 12 return x - y; 13 } 14 extern C __declspec(dllexport) int Multiply(int x, int y) 15 { 16 return x * y; 17 } 18 extern C __declspec(dllexport) int Divide(int x, int y) 19 { 20 return x / y; 21 } extern C “extern” “C” extern C C __declspec(dllexport) DLL extern C __declspec(dllexport)DllImportC++DLLDllImportC DLL 5. Debug CSharpInvokeCPP.CPPDemo.dllCSharpInvokeCPP.CPPDemo.lib PE ExplorerDLL “” 6. C#C++DLLC# 7. CSharpInvokeCSharp.CSharpDemoCPPDLL 1 public class CPPDLL 2 { 3 [DllImport(CSharpInvokeCPP.CPPDemo.dll)] 4 public static extern int Add(int x, int y); 5 6 [DllImport(CSharpInvokeCPP.CPPDemo.dll)] 7 public static extern int Sub(int x, int y); 8 9 [DllImport(CSharpInvokeCPP.CPPDemo.dll)] 10 public static extern int Multiply(int x, int y); 11 12 [DllImport(CSharpInvokeCPP.CP