gtk-text-view-overwrite (object)

object -- a gtk-text-view widget
overwrite -- true to turn on overwrite mode, false to turn it off

Accessor of the overwrite slot of the gtk-text-view class.

The gtk-text-view-overwrite slot access function returns whether the text view is in overwrite mode or not. The (setf gtk-text-view-overwrite) slot access function changes the overwrite mode.