gtk/text_view.go
func (v *TextView) GetOverwrite() bool {
	c := C.gtk_text_view_get_overwrite(v.native())
	return gobool(c)
}
func (v *TextView) GetOverwrite() bool {
	c := C.gtk_text_view_get_overwrite(v.native())
	return gobool(c)
}
// GetOverwrite is a wrapper around gtk_text_view_get_overwrite().