gtk/gtk.go
func (v *Notebook) SetGroupName(groupName string) {
	cstr := C.CString(groupName)
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_notebook_set_group_name(v.native(), (*C.gchar)(cstr))
}
func (v *Notebook) SetGroupName(groupName string) {
	cstr := C.CString(groupName)
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_notebook_set_group_name(v.native(), (*C.gchar)(cstr))
}
// SetGroupName() is a wrapper around gtk_notebook_set_group_name().