True if listview entries in this column use icons. In that case, you have
to pass Hollywood brushes/icons to use as icons to the Listview.Insert method.
Note that RapaGUI might scale the image to fit to the current monitor's DPI setting. Please read the chapter on high-DPI support for more information. See High-DPI support for details.
Please also read about RapaGUI's image cache to learn more about icon support in RapaGUI. See Image cache for details.
On AmigaOS and compatibles icon support is only available with MUI 4.0 or better.