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添加头文件

声明变量

pSpVoice = NULL; //默认构造函数中初始化为空
bool CChKBarSCCodeApp::InitSpVoice()
{HRESULT hr = ::CoInitialize(NULL);         // COM初始化if (!SUCCEEDED(hr)){AfxMessageBox(_T("声音环境初始化失败！"));return false;}// 获取ISpVoice接口if (FAILED(CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_INPROC_SERVER, IID_ISpVoice, (void**)&pSpVoice))){AfxMessageBox(_T(" 获取ISpVoice接口失败！"));return -1; // 当获取ISpVoice接口失败时，返回-1}//SpFindBestToken是SAPI中的一个函数，用于根据指定的属性条件查找最佳的语音tokenif (SUCCEEDED(SpFindBestToken(SPCAT_VOICES, L"language=804", NULL, &pSpObjectToken)))//804代表中文{pSpVoice->SetVoice(pSpObjectToken);//设置中文pSpVoice->SetVolume(m_oHardPara.m_nVolumeSize);//设置声音大小pSpVoice->SetVolume(m_oHardPara.m_nVolumeSpeed);}else{AfxMessageBox(_T("没有安装微软语音库!"));return false;}return true;
}void CChKBarSCCodeApp::SpVoiceOK()
{CString sTxt =_T("扫描成功");pSpVoice->Speak(sTxt.AllocSysString(), SPF_ASYNC, NULL);//异步读取
}void CChKBarSCCodeApp::SpVoiceNG()
{CString sTxt = _T("扫描失败");pSpVoice->Speak(sTxt.AllocSysString(), SPF_ASYNC, NULL);//异步读取
}

int CChKBarSCCodeApp::ExitInstance()
{if (pSpVoice){pSpVoice->Release();}::CoUninitialize();return CWinApp::ExitInstance();
}