std::string BSTR 互相转化

 

BSTR转化为std::string

#include // this is the BSTR BSTR Bstr = ::SysAllocString(L"Hello World");   // covert to std::string _bstr_t bstr_t(Bstr); std::string str(bstr_t); // free the BSTR ::SysFreeString(Bstr); std::string to BSTR 2008-03-18 13:20     std::string name = "ni hao me";     _bstr_t bstr_t(name.c_str());//取name的字符串形式     BSTR ret_val = bstr_t.GetBSTR(); //得到BSTR