I've looked up the msdn and tested the function: _bstr_t( BSTR bstr, bool fCopy ) throw ( _com_error ). I've also looked the comutil.h to see how the class _bstr_t is defined. But I still failed to convert the BSTR to _bstr_t.
Every time when I convert the BSTR to _bstr_t, the m_str of the...