详解MFC/C++调用易语言的整数型和文本型与VS2010互动-创新互联

1、LoadDll.cpp

#include "StdAfx.h"
#include "LoadDLL.h"

pMFCdll_OneVOID_OneVOID    MFCdll_OneVOID_OneVOID;
pMFCdll_OneWORD_OneVOID    MFCdll_OneWORD_OneVOID;
pMFCdll_OneCHAR_OneVOID    MFCdll_OneCHAR_OneVOID;


pMFCdll_OneWORD_OneWORD    MFCdll_OneWORD_OneWORD;
pMFCdll_OneWORD_TwoWORD    MFCdll_OneWORD_TwoWORD;
pMFCdll_OneWORD_ThreeWORD  MFCdll_OneWORD_ThreeWORD;
pMFCdll_OneWORD_FourWORD  MFCdll_OneWORD_FourWORD;
pMFCdll_OneWORD_FiveWORD  MFCdll_OneWORD_FiveWORD;
pMFCdll_OneWORD_SixWORD    MFCdll_OneWORD_SixWORD;


pMFCdll_OneWORD_OneChar    MFCdll_OneWORD_OneChar;
pMFCdll_OneWORD_TwoChar    MFCdll_OneWORD_TwoChar;
pMFCdll_OneWORD_ThreeChar  MFCdll_OneWORD_ThreeChar;
pMFCdll_OneWORD_FourChar  MFCdll_OneWORD_FourChar;
pMFCdll_OneWORD_FiveChar  MFCdll_OneWORD_FiveChar;
pMFCdll_OneWORD_SixChar    MFCdll_OneWORD_SixChar;


pMFCdll_OneChar_OneChar    MFCdll_OneChar_OneChar;
pMFCdll_OneChar_TwoChar    MFCdll_OneChar_TwoChar;
pMFCdll_OneChar_ThreeChar  MFCdll_OneChar_ThreeChar;
pMFCdll_OneChar_FourChar  MFCdll_OneChar_FourChar;
pMFCdll_OneChar_FiveChar  MFCdll_OneChar_FiveChar;
pMFCdll_OneChar_SixChar    MFCdll_OneChar_SixChar;


pMFCdll_OneChar_OneWORD    MFCdll_OneChar_OneWORD;
pMFCdll_OneChar_TwoWORD    MFCdll_OneChar_TwoWORD;
pMFCdll_OneChar_ThreeWORD  MFCdll_OneChar_ThreeWORD;
pMFCdll_OneChar_FourWORD  MFCdll_OneChar_FourWORD;
pMFCdll_OneChar_FiveWORD  MFCdll_OneChar_FiveWORD;
pMFCdll_OneChar_SixWORD    MFCdll_OneChar_SixWORD;


HINSTANCE  g_Hinstance;  //实例句柄


//加载DLL
BOOL LoadDll(char *name)
{
  
  if(g_Hinstance != NULL) return TRUE;  //如果g_Hinstance不为空就返回

  MFCdll_OneWORD_SixWORD = NULL;  //这里是加载ZJY_SoftOverTime用的
  MFCdll_OneCHAR_OneVOID = NULL;  //这里是加载ZJY_GetSystemDisk用的

  g_Hinstance = LoadLibrary(name);
  if(g_Hinstance == NULL)
  {
//    AfxMessageBox("加载dll动态库失败!");
    return FALSE;
  }

  MFCdll_OneWORD_SixWORD = (pMFCdll_OneWORD_SixWORD)GetProcAddress(g_Hinstance, "ZJY_SoftOverTime");
  MFCdll_OneCHAR_OneVOID = (pMFCdll_OneCHAR_OneVOID)GetProcAddress(g_Hinstance, "ZJY_GetSystemDisk");
  if(NULL == MFCdll_OneWORD_SixWORD || NULL == MFCdll_OneCHAR_OneVOID)
  {
//    AfxMessageBox("加载动态库MFCCallBackDllTest函数失败");
    FreeLibrary(g_Hinstance);
    g_Hinstance = NULL;
    return FALSE;
  }
  return TRUE;
}

//卸载DLL
void UninstallDll()
{
  if (g_Hinstance != NULL)
  {
    MFCdll_OneWORD_SixWORD = NULL;
    MFCdll_OneCHAR_OneVOID = NULL;
    FreeLibrary(g_Hinstance);
    g_Hinstance = NULL;
  }
}

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