[Gtk-sharp-list] GTk# dynamic treeview population

[Michael Hutchinson]

On Mon, Aug 9, 2010 at 7:58 PM, Rampage <atomikramp at email.it> wrote:
>
> Hello everyone, i have a question about populating treeviews.
>
> i was following this tutorial:
> http://www.mono-project.com/GtkSharp_TreeView_Tutorial
>
> and there is a part of the article that explains how to populate a tree.
>
> The problem is that as it's explained in that tutorial, it looks like i have
> to define the tree structure immediatelly before rendering it.
>
> i was wondering: is there a way to populate the tree dynamically?
>
> what i mean is:
> try to expand a node
> an event is triggered and a method is called
> the method returns me a list of eventually available children
> if the returned value is not null, append the values to the parent
> else if the returned value is null: that node doesn't have children

Yes, there is an event on the TreeView:
http://go-mono.com/docs/index.aspx?link=E:Gtk.TreeView.TestExpandRow

In an eventhandler for that event, you can inspect the treestore and
add any rows needed.

-- 
Michael Hutchinson
http://mjhutchinson.com