[Lazarus] Confused by help

[Mattias Gaertner]

On Sun, 23 Mar 2014 18:06:16 +0000
Graeme Geldenhuys <mailinglists at geldenhuys.co.uk> wrote:

>[...]
> type
>  THelpEvent = function (HelpType: THelpType; HelpContext: Integer;
> HelpKeyword: string; HelpFile: string; var Handled: Boolean): Boolean of
> object;

Please explain, what it should do.

Mattias