[Lazarus] Confused by help

[Richard Mace]

> Hi Graeme,

> > It looks very interesting.
> > How would I instruct DocView to open at a particular section of a help
> > file from Lazarus?
>
> DocView (binary download) comes with an extensive help file explaining
> all it's uses (concatenating help files at runtime, defining help as an
> environment variable, etc).
>
> But to answer your question, DocView accepts many parameters. The
> docview.inf help file explains that or select "Help->Command Line
> Parameters" inside DocView
>
>
> Supported command line parameters:
>
>   <filename>       Load the help file <filename>
>   -h               Show this help
>   -k <text>        Search for keyword <<text> in open help files
>   -n <id>          Open Topic with numeric ID equal to <id>
>   -s <id>          Open Topic with string ID equal to <id>
>   -debuglog <filename> Log information to a file
>
> So you can define numerical or keyword help inside your application -
> just like you would do with LCL or VCL applications. I don't know if you
> can override the default help viewer in LCL based apps. But if not,
> simply trap the F1 key (or probably the OnHelp event) and launch DocView
> with the the appropriate parameters listed above.
>
> I'm planning on more parameters and integration too. eg: placement and
> size of DocView, as well as IPC communication between the application
> and docview. The latter will allow you to control docview from your
> application.
>
> Regards,
>   - Graeme -
>


Graeme,
Thanks for the info. I'll check it out and see if I can start using it.
Hopefully the actuall creating of the .INF file will be a straight forward
process as well :)

Richard
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