Hi,
There are no RowSource in the List box,
I just add some value to the list box and search them out.

For example, I want to search a word "Buffalo" is it contain in the List Box.

Please advise.

WITH thisform.List1
      .AddItem( 'Cleveland' )
      .AddItem( 'Caversham' )
      .AddItem( 'Buffalo' )
      .AddItem( 'Milwaukee' )
      .AddItem( 'International Falls' )
ENDWITH