[ Version ( since = "3.0" ) ]
public void set_show_dialog_item (bool setting)
Sets whether the dropdown menu of this button should show an entry to trigger a `GtkAppChooserDialog`.
This widget will be removed in GTK 5
| this |
a `GtkAppChooserButton` |
| setting |
the new value for [property@Gtk.AppChooserButton:show-dialog-item] |