The following methods should be used to add the OPEN or SAVE button of a FileChooserDialog
OPEN
SAVE
ditto with a stock id
since Gtk 2.8
since Gtk 2.10
Functions of the custom model.
For internal use only.
Signal emitters
Override these to implement a cache of rows
@Since GTK 2.16
The property name is left unchanged, but it will access program-name if version is higher than 2.12
name
program-name
@Since GTK 2.14
@Since GTK 3.2
empty string to delete