gtk/gtk.go
func (v *Paned) GetHandleWindow() (*Window, error) {
	c := C.gtk_paned_get_handle_window(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapWindow(glib.Take(unsafe.Pointer(c))), nil
}
func (v *Paned) GetHandleWindow() (*Window, error) {
	c := C.gtk_paned_get_handle_window(v.native())
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapWindow(glib.Take(unsafe.Pointer(c))), nil
}
// GetHandleWindow() is a wrapper around gtk_paned_get_handle_window().