• C++/(MFC)CString to BSTR . . . . 15 matches
       #keywords BSTR,C++,CString,MFC
       === 'CString' to 'BSTR': ===
       BSTR bstr = str.AllocSysString();
       If you pass the 'BSTR' to some OLE function, this will normally free the 'BSTR' memory when done with it.
       If you use the 'BSTR' by yourself, dont forget to call '::SysFreeString()' when you're done with it.
       ::SysFreeString(bstr);
       === 'BSTR' to 'CString': ===
       You will mostly need this when you have some OLE function that returns a 'BSTR'. Such an OLE Function will basically do something like this:
       HRESULT SomeOLEFunction(BSTR& bstr)
        bstr = ::SysAllocString(L"Hello");
       Use a temporary variable of the type '_bstr_t' to wrap the 'BSTR'. This way you handle both the 208 and make sure that you have no memory leak:
       BSTR bstr;
       SomeOLEFunction(bstr);
       _bstr_t tmp(bstr, FALSE); //wrap the BSTR
       // when tmp goes out of scope it will free the BSTRs memory
       What is this BSTR thing, and how does it differ from WCHAR* ? Here is Eric's Complete Guide To BSTR Semantics.
• C++ . . . . 1 match
       ["/(MFC)CString to BSTR"]
• C++/(COM)IWebBrowser2와 IHTMLDocument2, IHTMLWindow2 구하기 . . . . 1 match
        spWindow->execScript(varResult.bstrVal,
        CComBSTR(_T("JScript")), &vtResult);
• LocalKeywords . . . . 1 match
       BSTR C++ CString MFC

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