> I cannot find documentation that systematically explains all single
> properties and methods of IBO controls, like the classic Delphi help
> file.

IBO4.hlp is available for download from the ibo website. (At the
bottom of the download page.)

It is a "classic Delphi help" file that can be installed in Delphi.

hth

--
Geoff Worboys - TeamIBO
Telesis Computing