//---------------------------------------------------------------------------
String MultibyteToUTF8(String sSource)
{
    WideString wsStr = sSource;
    String sTarget;
    char *pTargetData = NULL;
    int iTargetLen = WideCharToMultiByte(CP_UTF8,
                                        0,
                                        wsStr,
                                        -1,
                                        pTargetData,
                                        0,
                                        NULL,
                                        NULL);

    pTargetData = new char[iTargetLen + 1];
    memset(pTargetData, 0, iTargetLen + 1);
    WideCharToMultiByte(CP_UTF8,
                        0,
                        wsStr,
                        -1,
                        pTargetData,
                        iTargetLen,
                        NULL,
                        NULL);
    char *data = pTargetData;
    sTarget = data;
    delete []pTargetData;
    pTargetData = NULL;
    return sTarget;
}
//---------------------------------------------------------------------------