public Form1() { InstanceContext context = new InstanceContext(new Notify()); notifyProxy = new NotificationServiceClient(context); notifyProxy.CallCallback(); this.Subscribe <NotificationModel>(x => { if (x.A == 1) { button1.PerformClick(); } }); InitializeComponent(); InitializeTable(); client = new FtpClient("deliverit.westeurope.cloudapp.azure.com"); client.Connect(); }