[Mono-list] Liststore not appending correctly

[Luciano _]

maybe Gtk-sharp list is better place to ask this, but, (i'm not really sure 
about this)
the problem i guess is that Gtk.Application.Invokes, execute in main thread, 
when it can be executed, but not sequentially. Maybe, the Gtk Thread is 
making some Re-paint or something else, and does not work like you want. I'm 
not really sure, i was having this problem (that i descript) and i fix it by 
using Lock (threads).

Bye
Luciano


>From: Nil Gradisnik <ghaefbgtk at gmail.com>
>To: mono-list at lists.ximian.com
>Subject: [Mono-list] Liststore not appending correctly
>Date: Wed, 21 Mar 2007 19:25:31 +0100
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>
>I need your opinion on this one. I'm running a Thread which starts this
>function named PopulateTreevew() and in there this is what happens:
>
>//populate treeview
>public void PopulateTreeviewThreadRoutine()
>{
>	Gtk.Application.Invoke (delegate {
>		liststore.Clear();
>	});
>
>	for (int i = 0; i < 10; i++) {
>
>		Console.WriteLine (i); //THIS one works
>		Gtk.Application.Invoke (delegate {
>			Console.WriteLine (i); //THIS one sometimes works
>			liststore.AppendValues (i);
>		});
>	}
>
>	Gtk.Application.Invoke (delegate {
>		Treeview1.Model = liststore;
>	});
>}
>
>My main problem is that I sometimes get all the same(the last) contents
>of my variable array to my Treeview, using liststore.AppendValues... I
>tested this values with Console.WriteLine.
>As you can see I'm using Gtk.Application.Invoke, because I'm running a
>Thread outside the main GTK thread.
>
>So basically I narrowed it down to this, that if I print out those
>variables(arrays) before the Gtk.Application.Invoke, it always prints
>out OK, the numbers(i) are 0,1,2,3,4,5,6...9. But If I print them out
>inside Gtk.Application.Invoke I sometimes(randomly) get just all 9s !
>That is 9,9,9,9,9.......9.
>
>Why is that ? What could cause this problem, I don't understand.
>It looks like a bug in Gtk.Application.Invoke or something.
>
>Can I use something else than Gtk.Application.Invoke, so that I get out
>the correct array?
>Because it looks like the Gtk.Application.Invoke messes up things
>randomly.
>
>
>Please advise
>
>Thanks
>
>
>Nil Gradisnik
>
>_______________________________________________
>Mono-list maillist  -  Mono-list at lists.ximian.com
>http://lists.ximian.com/mailman/listinfo/mono-list

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