TSVCEO.CloudPrint.Proxy.CloudPrintProxy.Register C# (CSharp) Method

        public string Register()
        {
            lock (OAuthTicketLock)
            {
                ThrowIfDisposed();

                if (Config.OAuthRefreshToken == null)
                {
                    var printer = this.PrintJobProcessor.GetPrintQueues().First();
                    return RegisterCloudPrinter(printer);
                }
                else
                {
                    throw new InvalidOperationException("Already registered");
                }
            }
        }