the dialog was cancelled and propertyGtk.AlertDialog:cancel-button is not set
AlertDialog.chooseFinish
int chooseFinish(gio.async_result.AsyncResult result)Finishes the [gtk.alert_dialog.AlertDialog.choose] call and returns the index of the button that was clicked.
Parameters
result | a [gio.async_result.AsyncResult] |
Returns
the index of the button that was clicked, or -1 if
Throws
[ErrorWrap]