Програми для обліку

using Gtk;

class Program
{
    public static void Main()
    {
        Application.Init();
        new FirstWindow();
        Application.Run();
    }

    public static void Quit()
    {
        Application.Quit();
    }
}

using Gtk;

class FirstWindow : Window
{
    public FirstWindow() : base("Test")
    {
        SetDefaultSize(1200, 900);
        SetPosition(WindowPosition.Center);
        Maximize();

        DeleteEvent += delegate
        {
            Program.Quit();
        };

	ShowAll();
    }
}