GLib.OptionFlags

The option doesn't appear in <option>--help</option> output.

The option appears in the main section of the <option>--help</option> output, even if it is defined in a group.

For options of the GLib.OptionArg.none kind, this flag indicates that the sense of the option is reversed.

For options of the GLib.OptionArg.callback kind, this flag indicates that the callback does not take any argument (like a GLib.OptionArg.none option). Since 2.8

For options of the GLib.OptionArg.callback kind, this flag indicates that the argument should be passed to the callback in the GLib filename encoding rather than UTF-8. Since 2.8

For options of the GLib.OptionArg.callback kind, this flag indicates that the argument supply is optional. If no argument is given then data of %GOptionParseFunc will be set to NULL. Since 2.8

This flag turns off the automatic conflict resolution which prefixes long option names with <literal>groupname-</literal> if there is a conflict. This option should only be used in situations where aliasing is necessary to model some legacy commandline interface. It is not safe to use this option, unless all option groups are under your direct control. Since 2.8.