[Gtk-sharp-list] Set item in ComboBox (novice in GTK#)
Ricard Rosson Llobet
ricardet at gmail.com
Mon Jun 20 09:38:48 EDT 2005
I haven't noticed that you use strings in the second column of the ListStore
and I supposed they where integers
in your case you should change
(int)comboBoxStore.GetValue(ti,1)!=2
for
(string)comboBoxStore.GetValue(ti,1)!="2"
Regards
On 6/20/05, Ricard Rosson Llobet <ricardet at gmail.com> wrote:
>
> Hi. When I have to set an item in a Combo box I do the following:
>
> First I have to know which TreeIter is containing the value I want to set.
> If I don't know that TreeIter, then I have to search it by hand doing the
> following:
>
> TreeIter ti;
> comboBoxStore.GetIterFirst(out ti)
> do
> {
> if ((int)comboBoxStore.GetValue(ti,1)==2 /*The value I look for*/ )
> break;
>
> }while (comboBoxStore.IterNext(ref ti))
>
> //This loop doesn't check if a value has been found so I will check if the
> last TreeIter has the value I look for
> if ((int)comboBoxStore.GetValue(ti,1)!=2 /*The value I look for*/ )
> {
> //Haven't found the value in the TreeStore
> }
>
> once I know The TreeIter I set it as the active TreeIter in the ComboBox:
>
> cbFiltro.SetActiveIter(ti);
>
> if I don't want to search the TreeIter I have to know it beforehand saving
> it somewhere:
>
> TreeIter[] ti=new TreeIter[3];
> ti[0]=comboBoxStore.AppendValues("Option #1", "1");
> ti[1]=comboBoxStore.AppendValues("Option #2", "2");
> ti[2]=comboBoxStore.AppendValues("Option #3", "3");
>
> (...)
>
> cbFiltro.SetActiveIter(ti[1]);
>
>
> I suppose this should work for you too.
>
>
>
>
>
>
>
>
> On 6/19/05, Paulinho <amf.paulo at gmail.com> wrote:
> >
> > Hi all,
> >
> > I need to set a item in ComboBox, How i do that ?
> >
> > In Web i just make this:
> > myCombo.SelectedValue = "2" , automatically myCombo show me "Description
> > of Option #2"
> > sorry i'm novice in GTK# client applications
> >
> >
> > my code:
> >
> > CellRendererText descricao = new CellRendererText ();
> > CellRendererText id = new CellRendererText ();
> >
> > comboBoxStore = new ListStore (typeof (string), typeof (string));
> > cbFiltro.Model = comboBoxStore;
> >
> > cbFiltro.PackStart (descricao, false);
> >
> > cbFiltro.AddAttribute (descricao, "text" , 0);
> >
> > comboBoxStore.AppendValues("Option #1", "1");
> > comboBoxStore.AppendValues ("Option #2", "2");
> > comboBoxStore.AppendValues("Option #3", "3");
> >
> > ...
> > ...
> >
> > string mySelection = "2";
> >
> > ???
> >
> >
> > How to set the row of ListStore or ComboBox using a value into variable
> > "mySelection" ?
> >
> >
> > Magalhaes
> >
> > /* Sorry my english */
> > _______________________________________________
> > Gtk-sharp-list maillist - Gtk-sharp-list at lists.ximian.com
> > http://lists.ximian.com/mailman/listinfo/gtk-sharp-list
> >
>
>
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