Used to change the appearance of an outline typically provided by a #GtkFrame.
Note that many themes do not differentiate the appearance of the
various shadow types: Either their is no visible shadow (@GTK_SHADOW_NONE),
or there is (any other value).
Used to change the appearance of an outline typically provided by a #GtkFrame.
Note that many themes do not differentiate the appearance of the various shadow types: Either their is no visible shadow (@GTK_SHADOW_NONE), or there is (any other value).