Purpose of groups?

[rol...@formreturn.com]

One last question... what is the purpose of the group type? Is there any practical case for setting options in them? I am finding that one a little hard to understand as there isn't much documentation on them in the sane site.

In your code's comments, you wrote this:

 * Represents a group of options. The SANE backend may group options together. These may be handy

 * if, for example, a JFreeSane user wants to present the options to the user in logical groups.

So are groups more of a user display thing? I still don't really understand. :)

[rol...@formreturn.com]

See attached image - if I put a button for the different group types, and clicking that button popped up another view for setting the options inside of that group type, would that be more along the lines of what groups are for?

[James Ring]

According to http://www.sane-project.org/html/doc011.html section
4.2.9.4 (Option Value Type), SANE_TYPE_GROUP: An option of this type
has no value. This type is used to group logically related options. A
group option is in effect up to the point where another group option
is encountered (or up to the end of the option list, if there are no
other group options). For group options, only members title and type
are valid in the option descriptor.

My understanding is that these groups indicate options that belong
together and are best shown together in the frontend UI.

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