DLL回调EXE里的函数

takeiteasy

EXE call Dll里的函数，然后Dll里的函数callback EXE里的函数


/*EXE代码
  作者：SysProgram
*/

void Msg(TCHAR *str)
{
MessageBox(0,str,"Caption",0);
}

void CTestDlgDlg::OnOK()
{
// TODO: Add extra validation here

typedef void (*MY_FARPROC)(void (*MY_FARPROC)(TCHAR *str));

HMODULE hModule = LoadLibrary("C://TestDll//Debug//TestDll.dll");
MY_FARPROC FunAddress;

if (hModule == NULL)
{
  MessageBox("load dll error");
  return;
}
FunAddress = (MY_FARPROC)GetProcAddress(hModule,"TestMsg");

FunAddress(Msg); //将Msg的地址传入dll
}


//---------------------------------------------------------------------------------------------------------------------------



/*DLL代码
  作者：SysProgram
*/
#include <windows.h>

void TestMsg(void (*MY_FARPROC)(TCHAR *str))
{
MY_FARPROC("hehe");  //回调EXE里的函数
}

BOOL WINAPI DllMain(
     HINSTANCE hinstDLL,  // handle to the DLL module
     DWORD fdwReason,     // reason for calling function
     LPVOID lpvReserved   // reserved
)
{
if (fdwReason == DLL_PROCESS_ATTACH)
{
       //.........................
}
}
//----------------------------------------------------------------------------------------------

//导出函数
EXPORTS
TestMsg