/// <summary> 
    /// 将字符串转换为简体中文 
    /// </summary> 
    public static string ToSimplifiedChinese(string s)
    {
        return Microsoft.VisualBasic.Strings.StrConv(s, VbStrConv.SimplifiedChinese, 0);
    }

    /// <summary> 
    /// 将字符串转换为繁体中文 
    /// </summary> 
    public static string ToTraditionalChinese(string s)
    {
        return Microsoft.VisualBasic.Strings.StrConv(s, VbStrConv.TraditionalChinese, 0);
    }