public static void LaunchInExistingInstance(string[] args)
        {
            IpcChannel channel = new IpcChannel();

            ChannelServices.RegisterChannel(channel, false);
            string url = $"ipc://{ChannelName}/{SingleInstanceServiceName}";

            // Register as client for remote object.
            WellKnownClientTypeEntry remoteType = new WellKnownClientTypeEntry(typeof(SingleInstanceHelper), url);

            RemotingConfiguration.RegisterWellKnownClientType(remoteType);

            // Create a message sink.
            IMessageSink _ = channel.CreateMessageSink(url, null, out var _);

            /*
             * Console.WriteLine("The URI of the message sink is {0}.", objectUri);
             * if (messageSink != null)
             * {
             *  Console.WriteLine("The type of the message sink is {0}.", messageSink.GetType().ToString());
             * }
             */

            SingleInstanceHelper helper = new SingleInstanceHelper();

            helper.Run(args);
        }
        public static void LaunchInExistingInstance(string[] args)
        {
            IpcChannel channel = new IpcChannel();
            ChannelServices.RegisterChannel(channel, false);
            string url = String.Format("ipc://{0}/{1}", ChannelName, SingleInstanceServiceName);

            // Register as client for remote object.
            WellKnownClientTypeEntry remoteType = new WellKnownClientTypeEntry(typeof(SingleInstanceHelper), url);
            RemotingConfiguration.RegisterWellKnownClientType(remoteType);

            // Create a message sink.
            string objectUri;
            IMessageSink messageSink = channel.CreateMessageSink(url, null, out objectUri);

            /*
            Console.WriteLine("The URI of the message sink is {0}.", objectUri);
            if (messageSink != null)
            {
                Console.WriteLine("The type of the message sink is {0}.", messageSink.GetType().ToString());
            }
            */

            SingleInstanceHelper helper = new SingleInstanceHelper();
            helper.Run(args);
        }