// 共通メソッド // リソースレコードのtostring() private string print(OneRr o) { switch (o.DnsType) { case DnsType.A: return(o.ToString()); case DnsType.Aaaa: return(o.ToString()); case DnsType.Ns: return(o.ToString()); case DnsType.Mx: return(o.ToString()); case DnsType.Ptr: return(o.ToString()); case DnsType.Soa: return(o.ToString()); case DnsType.Cname: return(o.ToString()); default: Util.RuntimeException("not implement."); break; } return(""); }