setChoice
⚠️ Deprecated ⚠️
This is deprecated since version 4.10.
Use class@Gtk.FileDialog instead
---Selects an option in a 'choice' that has been added with gtk_file_chooser_add_choice().
For a boolean choice, the possible options are "true" and "false".
Parameters
id
the ID of the choice to set
option
the ID of the option to select