自定义TCHAR2BSTRh函数和BSTR内存的释放

 1 inline HRESULT TCHAR2BSTR(TCHAR * szBuf, BSTR * bstrNew)

 2 {

 3     try

 4     {

 5         WCHAR * wszBuf;

 6 #ifndef UNICODE

 7         wszBuf = new WCHAR[512];

 8         MultiByteToWideChar(CP_ACP, 0, szBuf, -1, wszBuf, 512);

 9 #else

10         wszBuf = szBuf;

11 #endif

12 

13         *bstrNew = ::SysAllocString(wszBuf);

14 

15 #ifndef UNICODE

16         delete [] wszBuf;

17 #endif

18 

19     }

20     catch (...)

21     {

22         return E_OUTOFMEMORY;

23     }

24 

25     return S_OK;

26 }

何时释放BSTR内存请参考

https://msdn.microsoft.com/zh-cn/library/cc485262