gtk/gtk.go
func (v *Layout) SetSize(width, height uint) {
	C.gtk_layout_set_size(v.native(), C.guint(width), C.guint(height))
}
func (v *Layout) SetSize(width, height uint) {
	C.gtk_layout_set_size(v.native(), C.guint(width), C.guint(height))
}
// Layout.SetSize is a wrapper around gtk_layout_set_size