public MainForm(ApplicationInstance application) { InitializeComponent(); Icon = ClientUtils.GetAppIcon(); m_application = application; // get the configuration. m_configuration = m_application.ApplicationConfiguration.ParseExtension <GlobalDiscoveryClientConfiguration>(); // use suitable defaults if no configuration exists. if (m_configuration == null) { m_configuration = new GlobalDiscoveryClientConfiguration() { GlobalDiscoveryServerUrl = "opc.tcp://localhost:58810/GlobalDiscoveryServer", ExternalEditor = "notepad.exe" }; } m_filters = new QueryServersFilter(); m_identity = new UserIdentity(); m_gds = new GlobalDiscoveryServerClient(m_application.ApplicationConfiguration, m_configuration.GlobalDiscoveryServerUrl); m_gds.KeepAlive += GdsServer_KeepAlive; m_gds.ServerStatusChanged += GdsServer_StatusNotification; m_lds = new LocalDiscoveryServerClient(m_application.ApplicationConfiguration); m_server = new ServerPushConfigurationClient(m_application.ApplicationConfiguration); m_server.AdminCredentialsRequired += Server_AdminCredentialsRequired; m_server.KeepAlive += Server_KeepAlive; m_server.ServerStatusChanged += Server_StatusNotification; m_server.ConnectionStatusChanged += Server_ConnectionStatusChanged; RegistrationPanel.Initialize(m_gds, m_server, null, m_configuration); m_application.ApplicationConfiguration.CertificateValidator.CertificateValidation += CertificateValidator_CertificateValidation; UpdateStatus(true, DateTime.MinValue, "---"); UpdateGdsStatus(true, DateTime.MinValue, "---"); UpdateMainFormHeader(); ShowPanel(Panel.None); SelectServerButton.Enabled = false; ServerStatusButton.Enabled = false; CertificateButton.Enabled = false; HttpsCertificateButton.Visible = false; TrustListButton.Enabled = false; HttpsTrustListButton.Visible = false; }