Returns a #GOptionGroup for the commandline arguments recognized by GTK+ and GDK.
You should add this group to your #GOptionContext with g_option_context_add_group(), if you are using g_option_context_parse() to parse your commandline arguments.
whether to open the default display when parsing the commandline arguments
a #GOptionGroup for the commandline arguments recognized by GTK+
2.6
See Implementation
Returns a #GOptionGroup for the commandline arguments recognized by GTK+ and GDK.
You should add this group to your #GOptionContext with g_option_context_add_group(), if you are using g_option_context_parse() to parse your commandline arguments.