Text to speech hello world sapi

#include <sapi.h>

#pragma comment(lib,"ole32.lib")   //CoInitialize CoCreateInstance需要调用ole32.dll
#pragma comment(lib,"sapi.lib")    //sapi.lib在SDK的lib目录,必需正确配置

int main(int argc, char* argv[])
{
ISpVoice * pVoice = NULL;
if (FAILED(::CoInitialize(NULL)))
return FALSE;

HRESULT hr = CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_ALL, IID_ISpVoice, (void **)&pVoice);
if( SUCCEEDED( hr ) )
{
hr = pVoice->Speak(L"您有新消息", 0, NULL);
// Change pitch
hr = pVoice->Speak(L"您的好友 <pitch middle = '+10'/> 上线了", SPF_IS_XML, NULL );
pVoice->Release();
pVoice = NULL;
}
::CoUninitialize();
return TRUE;
}