Function ToWString

util/src/String.cpp:47–62

function returns empty string if inStr is empty or if the conversion failed

        // function returns empty string if inStr is empty or if the conversion failed
        std::wstring
        ToWString(std::string const& inStr)
        {
            if (inStr.empty())
            {
                return std::wstring();
            }
            int wchar_count = MultiByteToWideChar(CP_UTF8, 0, inStr.c_str(), -1, NULL, 0);
            std::unique_ptr<wchar_t[]> wBuf(new wchar_t[wchar_count]);
            wchar_count = MultiByteToWideChar(CP_UTF8, 0, inStr.c_str(), -1, wBuf.get(), wchar_count);
            if (wchar_count == 0)
            {
                ThrowInvalidArgument("Failed to convert " + inStr + " to UTF16.");
            }
            return wBuf.get();
        }

        // function return empty string if inWStr is empty or if the conversion failed
        std::string