[Lazarus] Filling ListBox without triggering OnSelectionChange

[Bart]

On 1/9/15, Marc Santhoff <M.Santhoff at web.de> wrote:

> Tried that solution already, but it does not help. There must be
> something special later in the form creation chain, that forces
> selection on the listbox and in turn trigger SelectionChange.

Filling at designtime and setting ItemIndex to -1 also shows this behaviour:
- Itemindex will be 0 at program start
- OnSelectionChange is fired (with User = True).

Only happens on GTK2
QT behaves as expected.

Filed a bugreport about it: http://bugs.freepascal.org/view.php?id=27276

Bart