Get ID of selected listitem? (1 Viewer)

[pilehave]

Hi.

I want to get the selected item of a listcontrol/filmstrip.

With

GUIListItem _mylistitem = GetSelectedListItem(GUIWindowManager.ActiveWindow, 50);

i can get the selected item in a listcontrol. This way, I can now read labels, thumbnails etc. from the selected item.

But, how can I get the ID of the selected item?

When I try by using

int myint = _mylistitem.ItemId

I get the value of "0". The items in the list MUST have an ID, because I can select them with

GUIListItem _myselectitem = GetListItem(GUIWindowManager.ActiveWindow, 50, 10);

What am I missing?