Application.setOptionContextParameterString

void setOptionContextParameterString(string parameterString = null)

Sets the parameter string to be used by the commandline handling of application.

This function registers the argument to be passed to [glib.option_context.OptionContext.new_] when the internal #GOptionContext of application is created.

See [glib.option_context.OptionContext.new_] for more information about parameter_string.

Parameters

parameterString a string which is displayed in the first line of --help output, after the usage summary programname [OPTION...].