[Lazarus] Filtering shown files in TShellListView

[Marc Santhoff]

Hi,

I discovered the excellent TShellTreeView and TShellListView.

How would I filter the shown files in TShellListView to a single or a
few types, like '*.txt' or '*.txt; '*.rtf'?

TIA,
Marc

-- 
Marc Santhoff <M.Santhoff at web.de>