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autoconnect with matrix
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mikees 2009-06-04, 18:24 #1
Member since May 2009 · 6 posts
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Subject: autoconnect with matrix
Hello,

I would like to connect a user automatically when the application started but I have a exception "System.UnauthorizedAccessException: Invalid cross-thread access error"

I use silverlight client sample.

Roster.xaml.cs

public Roster(XmppClient client)
        {
            InitializeComponent();

            _xmppClient = client;
            _presManager = new PresenceManager(_xmppClient);

            _xmppClient.OnRosterStart += new EventHandler<Matrix.EventArgs>(_xmppClient_OnRosterStart);
            _xmppClient.OnRosterItem += new EventHandler<RosterEventArgs>(_xmppClient_OnRosterItem);
            _xmppClient.OnRosterEnd += new EventHandler<Matrix.EventArgs>(_xmppClient_OnRosterEnd);
            _xmppClient.OnClose += new EventHandler<Matrix.EventArgs>(_xmppClient_OnClose);
            _xmppClient.OnMessage += new EventHandler<MessageEventArgs>(_xmppClient_OnMessage);
            _xmppClient.OnAuthError += new EventHandler<Matrix.Xmpp.Sasl.SaslEventArgs>(_xmppClient_OnAuthError);

            _xmppClient.OnLogin += new EventHandler<Matrix.EventArgs>(_xmppClient_OnLogin);
            _xmppClient.OnError +=new EventHandler<ExceptionEventArgs>(_xmppClient_OnError);
            _presManager.OnAvailablePresence += new EventHandler<PresenceEventArgs>(presManager_OnAvailablePresence);
            _presManager.OnUnavailablePresence += new EventHandler<PresenceEventArgs>(presManager_OnUnavailablePresence);
       
            [color=crimson]Connect();[/color]
           
        }
private void Connect()
        {
            /* TEST AUTOCONNECT */

            login.txtJid.Text = "MyUser";
            login.txtPassword.Password = "MyPass";
            
            _xmppClient.Username = login.Jid.User;
            _xmppClient.Password = login.Password;
         
            _xmppClient.XmppDomain = login.Jid.Server;
           
            _xmppClient.Port = 4502;

            _xmppClient.AutoPresence = false;
            _xmppClient.Priority = 10;
           
            // status and show for Autopresence after login
            _xmppClient.Status  = "online";
            _xmppClient.Show    = Matrix.Xmpp.Show.NONE;

            _xmppClient.Open();
        }

Thanks.
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Alex 2009-06-04, 20:44 #2
Member since Feb 2003 · 4449 posts · Location: Germany
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try to set a Dispatcher before you connect.

Alex
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mikees 2009-06-05, 12:34 #3
Member since May 2009 · 6 posts
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Thanks but where I can use Dispatcher ? I have never use Dispatcher so You can give me an example please ?
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Alex 2009-06-05, 18:18 #4
Member since Feb 2003 · 4449 posts · Location: Germany
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for thread safety all events from MatriX must be invoked.
If you set the Dispatcher property to your UI then MatriX does this automatically for you. Otherwise you have to invoke all events on your own.
Normally MatriX does find your UI and the Dispatcher automatically, but this does not work in your case, because you connect before the UI is completely initialized. So set a Dispatcher manual, or connect after the Ui is fully initialized.

Alex
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mikees 2009-06-06, 13:54 #5
Member since May 2009 · 6 posts
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Thank you very much !

I set a dispatcher manual.

public Roster(XmppClient client)
        {
            InitializeComponent();

            //ShowLogin();

            _xmppClient = client;
            _presManager = new PresenceManager(_xmppClient);

            _xmppClient.OnRosterStart += new EventHandler<Matrix.EventArgs>(_xmppClient_OnRosterStart);
            _xmppClient.OnRosterItem += new EventHandler<RosterEventArgs>(_xmppClient_OnRosterItem);
            _xmppClient.OnRosterEnd += new EventHandler<Matrix.EventArgs>(_xmppClient_OnRosterEnd);
            _xmppClient.OnClose += new EventHandler<Matrix.EventArgs>(_xmppClient_OnClose);
            _xmppClient.OnMessage += new EventHandler<MessageEventArgs>(_xmppClient_OnMessage);
            _xmppClient.OnAuthError += new EventHandler<Matrix.Xmpp.Sasl.SaslEventArgs>(_xmppClient_OnAuthError);

            _xmppClient.OnLogin += new EventHandler<Matrix.EventArgs>(_xmppClient_OnLogin);
            _xmppClient.OnError +=new EventHandler<ExceptionEventArgs>(_xmppClient_OnError);
            _presManager.OnAvailablePresence += new EventHandler<PresenceEventArgs>(presManager_OnAvailablePresence);
            _presManager.OnUnavailablePresence += new EventHandler<PresenceEventArgs>(presManager_OnUnavailablePresence);


             _xmppClient.Dispatcher = this.Dispatcher;
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<Matrix.EventArgs>(_xmppClient_OnRosterStart));
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<RosterEventArgs>(_xmppClient_OnRosterItem));
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<Matrix.EventArgs>(_xmppClient_OnRosterEnd));
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<Matrix.EventArgs>(_xmppClient_OnClose));
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<MessageEventArgs>(_xmppClient_OnMessage));
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<Matrix.EventArgs>(_xmppClient_OnLogin));
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<ExceptionEventArgs>(_xmppClient_OnError));
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<PresenceEventArgs>(presManager_OnAvailablePresence));
             _xmppClient.Dispatcher.BeginInvoke(new EventHandler<PresenceEventArgs>(presManager_OnUnavailablePresence));
             Connect();
        }

and it's ok !

thanks
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Alex 2009-06-06, 21:38 #6
Member since Feb 2003 · 4449 posts · Location: Germany
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adding the Dispatcher should be enough. Then MatriX does all the invoke magic for you.

Alex
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