public class helloworld : Granite.Application {

    construct {
        program_name = "Hello world";
    }

    public void helloword () {

        var w = new Granite.Widgets.LightWindow ("Hello world");
        var b = new Gtk.Box (Gtk.Orientation.VERTICAL, 0);
        var label = new Gtk.Label ("helloword");

        b.pack_start (label);

        w.set_size_request (100, 100);
        w.set_application (this);
        w.add (b);
        w.show_all ();
        w.resizable = false;

    }

}

public static int main (string [] args) {
    Gtk.init (ref args);
    return new helloword ().run (args);
}