[Lazarus] How to fix slow screen refresh of TListbox?

[Bo Berglund]

On Fri, 11 Nov 2022 16:29:31 +0100, Bo Berglund via lazarus
<lazarus at lists.lazarus-ide.org> wrote:

>Now I wonder if there is some way to do as I did when I worked in Delphi with
>TListView objects, where I could use the BeginUpdate and EndUpdate calls to make
>all screen updates wait until it was all put in place.
>This was MUCH faster!
>
>But I can not find a BeginUpdate on the TListBox object, only BeginUpdateBounds,
>which does not tell me much....

In fact I found TListbox.Items.Beginupdate/EndUpdate, but it did not do much to
improve the handling, too slow anyway....


-- 
Bo Berglund
Developer in Sweden