<snip>
> I try to use a combox, and i a System.NullReferenceException when try to set
> a event on the Combo.Entry.Activated.
>
> Does anyone got an idea?
>
> ConnectionCombo = new Combo ();
>
> string[] pop = {"Foo", "Bar"};
> ConnectionCombo.PopdownStrings = pop;
>
> // ConnectionCombo.DisableActivate ();
> // This Crash
> ConnectionCombo.Entry.Activated += new EventHandler
> (OnConnectionComboActivated);
>
> hbox.PackStart (XboxsConnectionCombo, false, false, 10);
</snip>
I would assume you didn't properly initialize your ConnectionCombo.
Null references occur when you forget to initialize a reference, then
try to access it as though you were referencing an actual object.
Hope that helps. Sorry I didn't reply properly the first time.
Adrian V.
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