gtkOffscreenWindowNew
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, gtkWidgetGetSnapshot
can be used instead.
gtkOffscreenWindowNew(show = TRUE)
Since 2.20
Derived by RGtkGen from GTK+ documentation
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.