Gtk.IconView::select-all
function callback(icon_view, ):void;
A <link linkend="keybinding-signals">keybinding signal</link> which gets emitted when the user selects all items.
Applications should not connect to it, but may emit it with GObject.signal_emit_by_name if they need to control selection programmatically.
The default binding for this signal is Ctrl-a.
- icon_view
instance of Gtk.IconView that is emitting the signal