How to select multiple options in list box using ctrl key in winrunner.
You better use list_select_multi_items, see help for more information.
A Test Engineer should be a Programmer.
A list box in WinRunner? Are there some? Or a list box in the app under test? The normal way is "shift/click" and I have seen "ctrl/click". It depends upon how the developer implemented it and if one is not confined to one item. Ask the developer!