Bookshelf Home | Contents | Index | Search | PDF

Transports and Interfaces: Siebel eBusiness Application Integration Volume III > EAI DLL and EAI File Transports > EAI HTTP Transport Method Arguments >

Creating a DLL to Call a Function in an External DLL

---

Following procedure illustrates how to create a DLL to use the EAI DLL Transport business service to call a function in an external DLL.

To make a DLL

Open a VC++ project (Open->New).
Select a Win32 Dynamic Link Library and give the name of the project.
In the next dialog box, select the option Simple dll project.

Following files are created by default:

Project.cpp
StdAfx.h
StdAfx.cpp
Make the following changes in the StdAfx.h and Main.cpp files and check the results in the process simulator.

StdAfx.h

struct XMLDataBuf

{

int       nLength;

void*     pData;

};

extern "C" int __declspec(dllexport) TestEAI(const XMLDataBuf* Value, XMLDataBuf* pReply);

Main.cpp

#include "stdafx.h"

#include <string.h>

#include <stdio.h>

#include <io.h>

BOOL APIENTRY DllMain( HANDLE hModule,

                       DWORD ul_reason_for_call,

                       LPVOID lpReserved

                                       )

{

   return TRUE;

}

extern "C" int __declspec(dllexport) TestEAI(const XMLDataBuf* Value, XMLDataBuf* pReply)

{

      FILE *p;

      p = fopen("c:\\test.txt","w");

      fprintf(p,"before test");

      fprintf(p,"%s After Test",Value->pData);

   //strcpy(s,"Hello World");

   fclose(p);

      return 0;

}

Bookshelf Home | Contents | Index | Search | PDF