Listbox resizing columns

Windows 11 / XOJO 21r1.1
How can I sort on a non-visible row in a ListBox ?

Regards
Etienne

Me.SortedColumn= 1  // the column to be sorted
me.ColumnSortDirection(1) = listbox.SortAscending
//me.ColumnSortDirection(1)=  listbox.SortDescending
me.Sort

or whatever the API2 equivalent is.

Thanks Jeff.