using System; using Gtk; using UI = Gtk.Builder.ObjectAttribute; namespace GtkNamespace { class MainWindow : Window { [UI] private Label _label1 = null; [UI] private Button _button1 = null; private int _counter; public MainWindow() : this(new Builder("MainWindow.glade")) { } private MainWindow(Builder builder) : base(builder.GetObject("MainWindow").Handle) { builder.Autoconnect(this); DeleteEvent += Window_DeleteEvent; _button1.Clicked += Button1_Clicked; } private void Window_DeleteEvent(object sender, DeleteEventArgs a) { Application.Quit(); } private void Button1_Clicked(object sender, EventArgs a) { _counter++; _label1.Text = "Hello World! This button has been clicked " + _counter + " time(s)."; } } }