OTS/OTSIncAMeasureApp/ServiceCenter/OxfordExtender/ExtenderWrapperIpc.cs

using OxfordExtenderWrapper;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Ipc;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace OTSMeasureApp.ServiceCenter.OxfordExtender
{
   static class ExtenderWrapperIpc
    {
        static ExtenderIpcUI extenderRemoteObj =null;
      

        public static ExtenderIpcUI GetExtenderWrapper()
        {
            if (extenderRemoteObj == null)
            {
                Process[] processes = Process.GetProcessesByName("OxfordExtenderWrapper");
                System.Diagnostics.Process p;
                if (processes.Length == 0)
                {
                    p = System.Diagnostics.Process.Start(Application.StartupPath + "\\OxfordExtender\\OxfordExtenderWrapper.exe", "hide");
                    Thread.Sleep(800);

                    IpcClientChannel channel = new IpcClientChannel();
                    //Register the channel with ChannelServices.
                    ChannelServices.RegisterChannel(channel, false);
                    extenderRemoteObj = (ExtenderIpcUI)Activator.GetObject(typeof(ExtenderIpcUI), "ipc://ExtenderServerChannel/ExtenderIpcUI");

                    //extenderRemoteObj.ConnectToEDSHardware();
                    return extenderRemoteObj;
                }
                else 
                {
                    IpcClientChannel channel = new IpcClientChannel();
                    //Register the channel with ChannelServices.
                    ChannelServices.RegisterChannel(channel, false);
                    extenderRemoteObj = (ExtenderIpcUI)Activator.GetObject(typeof(ExtenderIpcUI), "ipc://ExtenderServerChannel/ExtenderIpcUI");

                    //extenderRemoteObj.ConnectToEDSHardware();
                    return extenderRemoteObj;

                }
               
                
            }
            extenderRemoteObj.ConnectToEDSHardware();//reconnect ,prevent the connection be closed by other reason accidentally.
            return extenderRemoteObj;

        }

        internal static void KillExtenderWrapperProcess()
        {
            Process[] processes = Process.GetProcessesByName("OxfordExtenderWrapper");

            //if (processes.Length!=0)
            //{
            //    processes[0].Kill();

            //}
            extenderRemoteObj.CloseExtender();
        }
    }
}