[Lazarus] Lazarus 2 RC3 Bug or my fault?

[Joe]

Am 07.02.2019 um 00:15 schrieb Werner Pamler via lazarus:
>
> Did you set "Style" to "lbOwnerdrawFixed" and "ItemHeight" to a 
> nonzero value? In this case the line height is given by "ItemHeight".

This solved the problem. Thanx, Werner.