func (t *Tooltip) SetCustom(w *Widget) {
	C.gtk_tooltip_set_custom(t.native(), w.native())
}
func (t *Tooltip) SetCustom(w *Widget) {
	C.gtk_tooltip_set_custom(t.native(), w.native())
}
func ( t * Tooltip ) SetCustom ( w * Widget ) { C . gtk_tooltip_set_custom ( t . native ( ) , w . native ( ) ) }
// func (t *Tooltip) SetIconFromGIcon() { }
// SetCustom is a wrapper around gtk_tooltip_set_custom().
func ( t * Tooltip ) SetIconFromGIcon () { } SetCustom is a wrapper around gtk_tooltip_set_custom () .