[Gtk-sharp-list] R: GTK# with a treeview: simple example

[Daniel Dieterle]

Yeah thats the trick.
That works.

Thanks.
Daniel.

On Wed, 2007-03-07 at 17:00 +0100, Jacob Ilsø Christensen wrote:
> Hi.
> 
> On 3/7/07, Daniel Dieterle <daniel at dieterle.ws> wrote:
> > Hi,
> >
> > On Tue, 2007-03-06 at 17:00 +0100, Salvatore Scarciglia wrote:
> > > http://laas.altervista.org/tutorials/tview_1.php
> > your site is intersting and motivating.
> >
> > My mistake is easy. How can i write such a code.
> > The lines where the collumns are added to the treeview are never
> > executed because they are just after the attributes.
> >
> > If i move the certain lines in a method like on_button1_clicked
> > everything goes well. :-)
> >
> > BUT if i write them in the constructor it won't work. Error:
> 
> I think you need to do this:
> 
> gui.Autoconnect(this);
> 
> before using any widgets. If not your treeview1 variable wont be initialized.
> 
> /Jacob
> 
> > ___
> > System.NullReferenceException: Object reference not set to an
> > instance of an object
> > in <0x00116> BrowserWindow:.ctor ()
> > ___
> >
> > I can't see where i should have an object which is NULL?!
> > Who can help me?
> >
> > Thanks,
> > Daniel.
> >
> >
> >
> >
> > My code:
> > ____________________________________________________
> > class BrowserWindow
> > {
> >         [Widget] Gtk.TreeView treeview1;
> >
> >         public BrowserWindow ()
> >         {
> >                 Glade.XML gui = new Glade.XML ("./browser.glade",
> > "window1", "Hallo");
> >
> >                 Gtk.ListStore musicListStore = new Gtk.ListStore
> > (typeof (string), typeof (string));
> >                 treeview1.AppendColumn ("Nom", new
> > Gtk.CellRendererText (), "text", 0);
> >                 treeview1.AppendColumn ("URL", new
> > Gtk.CellRendererText (), "text", 1);
> >
> >                 musicListStore.AppendValues ("Garbage", "Dog New
> > Tricks");
> >                 treeview1.Model = musicListStore;
> >
> >                 gui.Autoconnect(this);
> >         }
> >
> >         // boutton lire
> >         void on_button1_clicked (object o, EventArgs e)
> >         {
> >         }
> > }
> >
> > class MainClass {
> >
> >         static void Main () {
> >
> >                 Gtk.Application.Init();
> >                 BrowserWindow bw = new BrowserWindow();
> >                 Gtk.Application.Run();
> >         }
> > }
> > ________________________________________________________
> >
> > >
> > > Regards,
> > > Salvatore [aka LAAS]
> > >
> > > > -----Messaggio originale-----
> > > >
> > > > Hi everybody,
> > > >
> > > > i wrote a simple program in C#. I'm a beginner with C# and GTK#.
> > > > The graphics i layouted with Glade. When i want to add a
> > > > column, the compiler complains always with a error.
> > > > I found no information, how to add a column while the windows
> > > > is with Glade formatted and in C# written.
> > > >
> > > > My code is the following:
> > >
> > >
> > >
> >
> > _______________________________________________
> > Gtk-sharp-list maillist  -  Gtk-sharp-list at lists.ximian.com
> > http://lists.ximian.com/mailman/listinfo/gtk-sharp-list
> >
>