C#實現漢字簡繁轉換(萬雅虎原創)

public string TranToTrade(string text)//轉換為繁體
{
    if (text.ToString().Length > 0)
    {
        string Sstr = Conversions.ToString(this.getSimple());
        string Tstr = Conversions.ToString(this.getTrade());
        char[] TradeArr = Tstr.ToCharArray(0, Tstr.Length - 1);
        int VB$t_i4$L0 = text.Length - 1;
        for (int i = 0; i <= VB$t_i4$L0; i++)
        {
            char oldstr = Conversions.ToChar(text.Substring(i, 1));
            if (Sstr.Contains(Conversions.ToString(oldstr)))
            {
                char newstr = TradeArr[Sstr.IndexOf(oldstr)];
                text = text.Replace(oldstr, newstr);
            }
        }
        return text;
    }
    //Interaction.MsgBox("沒有輸入任何漢字", MsgBoxStyle.OkOnly, null);
    return text;
}
public string TranToSimple(string text)//轉換為簡體.
{
    if (text.ToString().Length > 0)
    {
        string Sstr = Conversions.ToString(this.getSimple());
        string Tstr = Conversions.ToString(this.getTrade());
        char[] simpleArr = Sstr.ToCharArray(0, Sstr.Length - 1);
        int VB$t_i4$L0 = text.Length - 1;
        for (int i = 0; i <= VB$t_i4$L0; i++)