Selects an option in a 'choice' that has been added with gtk.file_chooser.FileChooser.addChoice. For a boolean choice, the possible options are "true" and "false".
the ID of the choice to set
the ID of the option to select
Selects an option in a 'choice' that has been added with gtk.file_chooser.FileChooser.addChoice. For a boolean choice, the possible options are "true" and "false".