Creates a toplevel container widget that is used to retrieve snapshots of widgets without showing them on the screen. For widgets that are on the screen and part of a normal widget hierarchy, gtk_widget_get_snapshot() can be used instead. Since 2.20
ConstructionException GTK+ fails to create the object.
See Implementation
Creates a toplevel container widget that is used to retrieve snapshots of widgets without showing them on the screen. For widgets that are on the screen and part of a normal widget hierarchy, gtk_widget_get_snapshot() can be used instead. Since 2.20