static HMODULE       g_hModule;         // g_hModule is the global handle to the current DLL module

BOOL APIENTRY DllMain(HMODULE hModule,
  DWORD  ul_reason_for_call,
  LPVOID lpReserved
  )
{
  // Set g_hModule
  g_hModule = hModule;
  return TRUE;
}

        WCHAR szDllPath[MAX_PATH] = { 0 };
        GetModuleFileName(g_hModule, szDllPath, MAX_PATH);
        //GetModuleFileName(GetModuleHandle(L"MyDll.dll"), szDllPath, MAX_PATH);
        PathRemoveFileSpec(szDllPath);