エラーだらけのVNA通信ルーチン。

ENAとの通信でどうしてもうまくいかない。
ブレークポイント入れると動くという気持ち悪い動作が治らない。
一説にはVS2012なら動くという噂もある。こういうのは嫌いだ。

追記。
KeysightのVBAのサンプルプログラムもSCPIバスを観察してると、
同じコマンド構成になってたが、正常に動いてた。
結局、実行速度が遅くないとE5071Cが反応できないという結論に至り、
コマンドごとにスリープを入れたら動きました。あほらしい。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Diagnostics;

namespace IVICommunicator
{
    public class VNATalker : IDisposable
    {
        private Ivi.Visa.Interop.ResourceManager RM;
        private Ivi.Visa.Interop.FormattedIO488 DMM;
        public string VesaAdress;
        public string IDN;
        public enum InstTyep { PNA, ENA, ZNB, SNP, Unkown };
        private InstTyep InstrumentType;
        // Dispose したかどうか
        private bool _disposed = false;
        // IDisposable に必須のメソッドの実装
        public void Dispose()
        {
            Dispose(true);
            // Dispose() によってリソースの解放を行ったので、
            // GC での解放が必要が無いことを GC に通知します。
            GC.SuppressFinalize(this);
        }
        protected virtual void Dispose(bool disposing)
        {
            // Dispose がまだ実行されていないときだけ実行
            if (!_disposed)
            {
                if (DMM.IO != null)
                {
                    DMM.IO.Close();
                }
                // disposing が true の場合(Dispose() が実行された場合)は
                // マネージリソースも解放します。
                if (disposing)
                {
                    // マネージリソースの解放
                    IDN = null;
                    VesaAdress = null;
                }
                // アンマネージリソースの解放

                System.Runtime.InteropServices.Marshal.ReleaseComObject(DMM);
                System.Runtime.InteropServices.Marshal.ReleaseComObject(RM);
                DMM = null;
                RM = null;

                _disposed = true;
            }
        }
        // ファイナライザー(デストラクター)
        //
        // Dispose() が呼び出されていない場合のみ
        // 実行されます。
        ~VNATalker()
        {
            Dispose(false);
        }
        private void CheckDisposed()
        {
            if (_disposed)
                throw new ObjectDisposedException(GetType().FullName);
        }
        public void SetInstrumentAdress(string strAdress)
        {
            if (strAdress == null)
            {
                VesaAdress = "";
            }
            else
            {
                RM = new Ivi.Visa.Interop.ResourceManager();
                DMM = new Ivi.Visa.Interop.FormattedIO488();
                VesaAdress = strAdress;
            }
        }
        public string ConnectInstrument()
        {
            {
                try
                {
                    int sysTimeOut = 2000;
                    DMM.IO = (Ivi.Visa.Interop.IMessage)RM.Open(VesaAdress, Ivi.Visa.Interop.AccessMode.NO_LOCK, sysTimeOut);

                    //都度通信終了メッセージを送る。(LowSecketの場合、ENDMessageが規格上送れないので、下の処理をする。)
                    DMM.IO.SendEndEnabled = false;
                    if (VesaAdress.IndexOf("SOCKET") >= 0)
                    {
                        //データの終端を示す文字は、ASCII の 10、ラインフィード <LF>
                        DMM.IO.TerminationCharacter = 10;

                        //ソケット接続時のみ、終端文字で読み取りを終了させる設定です。GPIB や USB、LAN（VXI-11 プロトコル）で接続する場合は、この設定は不要
                        DMM.IO.TerminationCharacterEnabled = true;
                    }

                    

                    DMM.WriteString("*IDN?");
                    IDN = DMM.ReadString();
                    DMM.IO.Timeout = 30000;
                    int TIMEOUT = DMM.IO.Timeout;

                    if (IDN.IndexOf("E50") > 0)
                    {
                        InstrumentType = InstTyep.ENA;
                    }
                    else if (IDN.IndexOf("N52") > 0)
                    {
                        InstrumentType = InstTyep.PNA;
                    }
                    else if (IDN.IndexOf("ZNB") > 0)
                    {
                        InstrumentType = InstTyep.ZNB;
                    }
                    else
                    {
                        InstrumentType = InstTyep.Unkown;
                    }

                    if (InstrumentType == InstTyep.PNA)
                    {
                        //Sパラ保存形式を設定。
                        DMM.WriteString(":MMEM:STOR:TRAC:FORM:SNP DB");
                    }
                    else if (InstrumentType == InstTyep.ENA)
                    {
                        //Sパラ保存形式を設定。
                        DMM.WriteString(":MMEM:STOR:SNP:FORM DB");
                    }
                    return IDN;
                }
                catch (Exception ex)
                {
                    
                    return ex.Message;
                }
            }
        }
        public void DisConnectInstrument()
        {
            CheckDisposed();
            DMM.IO.Close();
        }
        public MemoryStream StoreSparaMater(int PortNum, int Chnnel)
        {
            string Chan = Chnnel.ToString();
            MemoryStream ResSnP = null;
            if (InstrumentType == InstTyep.ENA)
            {
                ResSnP = StoreSparaMaterENA(PortNum, Chan);
            }
            else if (InstrumentType == InstTyep.PNA)
            {
                ResSnP = StoreSparaMaterPNA(PortNum, Chan);
            }
            else if (InstrumentType == InstTyep.ZNB)
            {
                ResSnP = StoreSparaMaterZNBZ50(PortNum, Chan);
            }
            else
            {
                ResSnP = null;
            }
            return ResSnP;
        }
        public MemoryStream StoreSparaMaterZNBSpecialImp(int PortNum, int Chnnel)
        {
            string Chan = Chnnel.ToString();
            MemoryStream ResSnP = null;
            if (InstrumentType == InstTyep.ENA)
            {
                ResSnP = StoreSparaMaterENA(PortNum, Chan);
            }
            else if (InstrumentType == InstTyep.PNA)
            {
                ResSnP = StoreSparaMaterPNA(PortNum, Chan);
            }
            else if (InstrumentType == InstTyep.ZNB)
            {
                ResSnP = StoreSparaMaterZNBPortImp(PortNum, Chan);
            }
            else
            {
                ResSnP = null;
            }
            return ResSnP;
        }
        private MemoryStream StoreSparaMaterPNA(int PortNum, string Chan)
        {
            string readfile = @"'D:\pna_temp_data_s" + PortNum.ToString() + "p.s" + PortNum.ToString() + "p'";
            string SelectedPort = "1";
            for (int i = 1; i < PortNum; i++)
            {
                SelectedPort = SelectedPort + "," + ((int)(i + 1)).ToString();
            }
            //Sパラを本体に保存
            //DMM.WriteString(":MMEM:STOR " + readfile);
            DMM.WriteString("*OPC?");
            string sts = DMM.ReadString();

            DMM.WriteString(":CALC" + Chan + ":PAR:CAT:EXT?");
            string DefinedCatalogs = DMM.ReadString();
            string DefinedCatalog = DefinedCatalogs.Substring(0, DefinedCatalogs.IndexOf(","));
            DefinedCatalog = DefinedCatalog.Substring(DefinedCatalog.IndexOf("CH"), DefinedCatalog.Length - DefinedCatalog.IndexOf("CH"));
            DMM.WriteString(":CALC" + Chan + ":PAR:SEL '" + DefinedCatalog + "'");

            DMM.WriteString(":CALC" + Chan + ":DATA:SNP:PORT:Save '" + SelectedPort + "'," + readfile); //Keysight推奨の新しい形式
            DMM.WriteString(":MMEM:TRAN? " + readfile);
            //ファイル転送
            Byte[] SparaData = DMM.ReadIEEEBlock(Ivi.Visa.Interop.IEEEBinaryType.BinaryType_UI1);
            DMM.WriteString("*OPC?");
            sts = DMM.ReadString();
            //非同期でファイル削除命令発行
            Task.Factory.StartNew(() =>
            {
                DMM.WriteString(":MMEM:DEL " + readfile);
            });
            DMM.WriteString("*OPC?");
            sts = DMM.ReadString();
            //バイトデータをメモリストリームに変換
            MemoryStream Mst = new MemoryStream(SparaData);
            return Mst;
        }
        private MemoryStream StoreSparaMaterZNBZ50(int PortNum, string Chan)
        {
            string readfile = @"'temp_data_s" + PortNum.ToString() + "p.s" + PortNum.ToString() + "p'";
            string SelectedPort = "1";
            for (int i = 1; i < PortNum; i++)
            {
                SelectedPort = SelectedPort + "," + ((int)(i + 1)).ToString();
            }
            //Sパラを本体に保存
            //DMM.WriteString(":MMEM:STOR " + readfile);
            DMM.WriteString(":MMEM:STOR:TRAC:PORT " + Chan + ", " + readfile + ", LOGPhase, CIMPedance , " + SelectedPort);
            DMM.WriteString(":MMEM:DATA? " + readfile);
            //ファイル転送
            Byte[] SparaData = DMM.ReadIEEEBlock(Ivi.Visa.Interop.IEEEBinaryType.BinaryType_UI1);
            DMM.WriteString("*OPC?");
            int sts = (int)DMM.ReadNumber();
            //非同期でファイル削除命令発行
            Task.Factory.StartNew(() =>
            {
                DMM.WriteString(":MMEM:DEL " + readfile);
            });
            //バイトデータをメモリストリームに変換
            MemoryStream Mst = new MemoryStream(SparaData);

            return Mst;
        }
        private MemoryStream StoreSparaMaterZNBPortImp(int PortNum, string Chan)
        {
            string readfile = @"'temp_data_s" + PortNum.ToString() + "p.s" + PortNum.ToString() + "p'";
            string SelectedPort = "1";
            for (int i = 1; i < PortNum; i++)
            {
                SelectedPort = SelectedPort + "," + ((int)(i + 1)).ToString();
            }
            //Sパラを本体に保存
            //DMM.WriteString(":MMEM:STOR " + readfile);
            DMM.WriteString(":MMEM:STOR:TRAC:PORT " + Chan + ", " + readfile + ", LOGPhase, PIMPedance , " + SelectedPort);
            DMM.WriteString(":MMEM:DATA? " + readfile);
            //ファイル転送
            Byte[] SparaData = DMM.ReadIEEEBlock(Ivi.Visa.Interop.IEEEBinaryType.BinaryType_UI1);
            DMM.WriteString("*OPC?");
            int sts = (int)DMM.ReadNumber();
            //非同期でファイル削除命令発行
            Task.Factory.StartNew(() =>
            {
                DMM.WriteString(":MMEM:DEL " + readfile);
            });
            //バイトデータをメモリストリームに変換
            MemoryStream Mst = new MemoryStream(SparaData);

            return Mst;
        }
        private MemoryStream StoreSparaMaterENA(int PortNum, string Chan)
        {
            string readfile = @"D:\temp_dataS" + PortNum.ToString() + "P.s" + PortNum.ToString() + "p";
            readfile = @"""" + readfile + @"""";
            string SelectedPort = "1";
            for (int i = 1; i < PortNum; i++)
            {
                SelectedPort = SelectedPort + "," + ((int)(i + 1)).ToString();
            }
            //Sパラを本体に保存
            //DMM.WriteString(":MMEM:STOR " + readfile);
            
            DMM.WriteString(":DISP:WIND" + Chan + ":ACT",true);
            Trace.WriteLine(":DISP:WIND" + Chan + ":ACT");
            DMM.WriteString(":MMEM:STOR:SNP:TYPE:S" + PortNum.ToString() + "P " + SelectedPort, true);
            Trace.WriteLine(":MMEM:STOR:SNP:TYPE:S" + PortNum.ToString() + "P " + SelectedPort);
            DMM.WriteString(":MMEM:STOR:SNP:DATA " + readfile, true);
            Trace.WriteLine(":MMEM:STOR:SNP:DATA " + readfile);
            DMM.FlushWrite(true);

            MemoryStream Mst = null;
            if (ErrorCheck())
            {
                DMM.WriteString(":MMEM:TRAN? " + readfile, true);
                Trace.WriteLine(":MMEM:TRAN? " + readfile);
                //ファイル転送
                Byte[] SparaData = DMM.ReadIEEEBlock(Ivi.Visa.Interop.IEEEBinaryType.BinaryType_UI1, false, true);
                DMM.WriteString("*OPC?",true);
                Trace.WriteLine("*OPC?");
                int sts = (int)DMM.ReadNumber();
                Trace.WriteLine("> " + sts.ToString());
                DMM.WriteString(":MMEM:DEL " + readfile,false);
                Trace.WriteLine(":MMEM:DEL " + readfile);

                Mst = new MemoryStream(SparaData);
            }
            return Mst;
        }
        
        private bool ErrorCheck()
        {
            string sErr;
            string[] vErrNo;
            string sResponse;

            bool res = true;
            DMM.WriteString(":SYST:ERR?", true);
            Trace.WriteLine(":SYST:ERR?");
            sErr = DMM.ReadString();
            Trace.WriteLine("> " + sErr);
            vErrNo = sErr.Split(',');
            if(vErrNo[0] != "0")
            {
            res = false;
            sResponse = vErrNo[1];
            foreach(string errstr in vErrNo)
            {
                Trace.WriteLine("err> "+ errstr);
            }

            }
            return res;
        }

        /// <summary>
        /// ポートエクステンションを有効化して、ポートエクステンション値を設定
        /// </summary>
        /// <param name="psecArray"></param>
        /// <param name="ChanNo"></param>
        /// <returns></returns>
        public int SetPortExt(double[] psecArray, int ChanNo)
        {
            if (InstrumentType == InstTyep.ENA)
            {
                //ポートエクステンション on
                DMM.WriteString(":SENS" + ChanNo.ToString() + ":CORR:EXT ON");

                for (int i = 1; i <= psecArray.Length; i++)
                {
                    //DMM.WriteString(":SENS" + ChanNo.ToString() + ":PORT" + i.ToString() + ":ZREF 50, 0");

                    double psec = psecArray[i - 1] / (Math.Pow(10d, 12d));
                    string sec = psec.ToString("0.00000E0");
                    DMM.WriteString(":SENS" + ChanNo.ToString() + "CORR:EXT:PORT" + i.ToString() + ":TIME " + sec);
                }
                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString();
                return 0;
            }
            else if (InstrumentType == InstTyep.PNA)
            {
                //ポートエクステンション on
                DMM.WriteString(":SENS" + ChanNo.ToString() + ":CORR:EXT ON");

                for (int i = 1; i <= psecArray.Length; i++)
                {
                    double psec = psecArray[i - 1] / (Math.Pow(10d, 12d));
                    string sec = psec.ToString("0.00000E0");
                    DMM.WriteString(":SENS" + ChanNo.ToString() + ":CORR:EXT:PORT" + i.ToString() + ":TIME " + sec);
                }
                
                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString();
                return 0;
            }
            else if (InstrumentType == InstTyep.ZNB)
            {
                for (int i = 1; i <= psecArray.Length; i++)
                {
                    double psec = psecArray[i - 1] / (Math.Pow(10d, 12d));
                    string sec = psec.ToString("0.00000E0");
                    DMM.WriteString(":SENS" + ChanNo.ToString() + ":CORR:EDEL" + i.ToString() + ":TIME " + sec);
                }
                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString();
                return 0;
            }
            else
            {
                return -1;
            }
        }

        public int LoadCalPNA(string CalfileName)
        {
            DMM.WriteString(":MMEM:LOAD '" + CalfileName + "'");
            DMM.WriteString("*OPC?");
            string sts = DMM.ReadString();
            return 0;
        }

        public int LoadCalENA(string CalfileName)
        {
            DMM.WriteString(":MMEM:LOAD '" + CalfileName + "'");
            DMM.WriteString("*OPC?");
            string sts = DMM.ReadString();
            return 0;
        }
        public int LoadCalZNB(string CalfileName)
        {
            DMM.WriteString("MMEM:LOAD:STAT 1,'" + CalfileName + "'");
            DMM.WriteString("*OPC?");
            string sts = DMM.ReadString();
            return 0;
        }

        public int SaveCalPNA(string CalfileName)
        {
            DMM.WriteString(":MMEM:DEL '" + CalfileName + "'");
            DMM.WriteString(":MMEM:STOR:CSAR '" + CalfileName + "'");
            DMM.WriteString("*OPC?");
            string sts = DMM.ReadString();
            return 0;
        }
        public int SaveCalENA(string CalfileName)
        {
            DMM.WriteString(":MMEM:DEL '" + CalfileName + "'");
            DMM.WriteString(":MMEM:STOR '" + CalfileName + "'");
            DMM.WriteString("*OPC?");
            string sts = DMM.ReadString();
            return 0;
        }
        public int SaveCalZNB(string CalfileName)
        {
            DMM.WriteString(":MMEM:DEL '" + CalfileName + "'");
            DMM.WriteString("MMEM:STOR:STAT 1,'" + CalfileName + "'");
            DMM.WriteString("*OPC?");
            string sts = DMM.ReadString();
            return 0;
        }

        /// <summary>
        /// ネットアナに設定されているポートエクステンションを持ってくる。
        /// </summary>
        /// <param name="ports"></param>
        /// <param name="ChanNo"></param>
        /// <returns></returns>
        public double[] GetPortExt(int ports, int ChanNo)
        {
            double[] Res = new double[ports];
            if (InstrumentType == InstTyep.ENA)
            {
                for (int i = 1; i <= ports; i++)
                {
                    DMM.WriteString(":SENS" + ChanNo.ToString() + "CORR:EXT:PORT" + i.ToString() + ":TIME?");
                    double sec = Convert.ToDouble(DMM.ReadNumber());
                    Res[i - 1] = sec * Math.Pow(10d, 12d);
                    DMM.WriteString("*OPC?");
                    int sts = (int)DMM.ReadNumber();
                }
                return Res;
            }
            else if (InstrumentType == InstTyep.PNA)
            {
                for (int i = 1; i <= ports; i++)
                {
                    DMM.WriteString(":SENS" + ChanNo.ToString() + ":CORR:EXT:PORT" + i.ToString() + ":TIME?");
                    double sec = Convert.ToDouble(DMM.ReadNumber());
                    Res[i - 1] = sec * Math.Pow(10d, 12d);
                    DMM.WriteString("*OPC?");
                    int sts = (int)DMM.ReadNumber();
                }
                return Res;
            }
            else if (InstrumentType == InstTyep.ZNB)
            {
                for (int i = 1; i <= ports; i++)
                {
                    DMM.WriteString(":SENS" + ChanNo.ToString() + ":CORR:EDEL" + i.ToString() + ":TIME?");
                    double sec = Convert.ToDouble(DMM.ReadNumber());
                    Res[i - 1] = sec * Math.Pow(10d, 12d);
                    DMM.WriteString("*OPC?");
                    int sts = (int)DMM.ReadNumber();
                }
                return Res;
            }
            else
            {
                for (int i = 1; i <= ports; i++)
                {
                    Res[i - 1] = -1;
                }
                return Res;
            }
        }


        private string[] FixtureOnOff = new string[50];
        private string[] PortZConvOnOff = new string[50];
        private string[] MatchCirOnOff = new string[50];

        public int PresrveFixtureState(int ChanNo)
        {
            if (InstrumentType == InstTyep.ENA)
            {
                //DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:STAT ON");
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:STAT?");

                string fsimonoff = DMM.ReadString();
                if (fsimonoff.IndexOf("1") > -1)
                {
                    FixtureOnOff[ChanNo - 1] = "1";
                }
                else
                {
                    FixtureOnOff[ChanNo - 1] = "0";
                }
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:PMC:STAT?"); //portmattcing

                string fsimMatchCir = DMM.ReadString();
                if (fsimMatchCir.IndexOf("1") > -1)
                {
                    MatchCirOnOff[ChanNo - 1] = "1";
                }
                else
                {
                    MatchCirOnOff[ChanNo - 1] = "0";
                }
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:ZCON:STAT?"); //PortZCon

                string PortZComv = DMM.ReadString();
                if (PortZComv.IndexOf("1") > -1)
                {
                    PortZConvOnOff[ChanNo - 1] = "1";
                }
                else
                {
                    PortZConvOnOff[ChanNo - 1] = "0";
                }
                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString();
                return 0;
            }
            else if (InstrumentType == InstTyep.PNA)
            {

                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:STAT?");

                string fsimonoff = DMM.ReadString();
                if (fsimonoff.IndexOf("1") > -1)
                {
                    FixtureOnOff[ChanNo - 1] = "1";
                }
                else
                {
                    FixtureOnOff[ChanNo - 1] = "0";
                }
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:PMC:STAT?"); //portmattcing

                string fsimMatchCir = DMM.ReadString();
                if (fsimMatchCir.IndexOf("1") > -1)
                {
                    MatchCirOnOff[ChanNo - 1] = "1";
                }
                else
                {
                    MatchCirOnOff[ChanNo - 1] = "0";
                }
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:ZCON:STAT?"); //PortZCon
                
                string PortZComv = DMM.ReadString();
                if (PortZComv.IndexOf("1") > -1)
                {
                    PortZConvOnOff[ChanNo - 1] = "1";
                }
                else
                {
                    PortZConvOnOff[ChanNo - 1] = "0";
                }
                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString();
                return 0;
            }
            else if (InstrumentType == InstTyep.ZNB)
            {
                FixtureOnOff[ChanNo - 1] = "";
                MatchCirOnOff[ChanNo - 1] = "";
                PortZConvOnOff[ChanNo - 1] = "";
                return 0;
            }
            else
            {
                return -1;
            }
            
        }
        public int RestoreFixtureState(int ChanNo)
        {
            if (InstrumentType == InstTyep.ENA)
            {
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:STAT " + FixtureOnOff[ChanNo - 1]);
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:PMC:STAT " + MatchCirOnOff[ChanNo - 1]); //portmattcing
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:ZCON:STAT " + PortZConvOnOff[ChanNo - 1]); //PortZCon
                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString();
                return 0;
            }
            else if (InstrumentType == InstTyep.PNA)
            {
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:STAT " + FixtureOnOff[ChanNo - 1]);
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:PMC:STAT " + MatchCirOnOff[ChanNo - 1]); //portmattcing
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:ZCON:STAT " + PortZConvOnOff[ChanNo - 1]); //PortZCon

                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString(); 
                return 0;
            }
            else
            {
                return -1;
            }
        }
        public int NormalizeFixtureState(int ChanNo)
        {
            if (InstrumentType == InstTyep.ENA)
            {
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:PMC:STAT OFF"); //portmattcing
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:ZCON:STAT OFF"); //PortZCon
                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString();
                return 0;
            }
            else if (InstrumentType == InstTyep.PNA)
            {
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:PMC:STAT OFF"); //portmattcing
                DMM.WriteString(":CALC" + ChanNo.ToString() + ":FSIM:SEND:ZCON:STAT OFF"); //PortZCon
                DMM.WriteString("*OPC?");
                string sts = DMM.ReadString();
                return 0;
            }
            else if (InstrumentType == InstTyep.ZNB)
            {
                //フィクスチャ切らなくてもいつでもZ0=50のデータが手に入る。
                return 0;
            }
            else
            {
                return -1;
            }
        }
    }
}