OptionGroup.this

Parameters

name string: the name for the option group, this is used to provide help for the options in this group with --help-name
description string: a description for this group to be shown in --help. This string is translated using the translation domain or translation function of the group
helpDescription string: a description for the --help-name option. This string is translated using the translation domain or translation function of the group
userData void*: user data that will be passed to the pre- and post-parse hooks, the error hook and to callbacks of G_OPTION_ARG_CALLBACK options, or NULL
destroy GDestroyNotify: a function that will be called to free user_data, or NULL

a newly created option group. It should be added to a glib.OptionContext or freed with OptionGroup.unref.

ConstructionException GTK+ fails to create the object.