September Morn Update

Task/Hello-world-Graphical/Vala/hello-world-graphical.vala

@@ -0,0 +1,20 @@
+#!/usr/local/bin/vala --pkg gtk+-3.0
+using Gtk;
+
+void main(string[] args) {
+    Gtk.init(ref args);
+
+    var window = new Window();
+    window.title = "Goodbye, world!";
+    window.border_width = 10;
+    window.window_position = WindowPosition.CENTER;
+    window.set_default_size(350, 70);
+    window.destroy.connect(Gtk.main_quit);
+
+    var label = new Label("Goodbye, world!");
+
+    window.add(label);
+    window.show_all();
+
+    Gtk.main();
+}