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(600, 350);
        SetPosition(WindowPosition.Center);

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

        VBox vBox = new VBox();
        Add(vBox);

        HBox hBox = new HBox();
        vBox.PackStart(hBox, false, false, 5);

        ListStore store = new ListStore
        (
            typeof(Gdk.Pixbuf),
            typeof(string),
            typeof(bool),
            typeof(string)
        );

        TreeView treeView = new TreeView(store);

        treeView.AppendColumn(new TreeViewColumn("Img", new CellRendererPixbuf(), "pixbuf", 0));

        //Variant
        {
            ListStore storeVariant = new ListStore(typeof(string), typeof(string));
            storeVariant.AppendValues("1", "Type №1");
            storeVariant.AppendValues("2", "Type №2");
            storeVariant.AppendValues("3", "Type №3");

            CellRendererCombo variant = new CellRendererCombo() { Editable = true, Model = storeVariant, TextColumn = 1 };

            treeView.AppendColumn(new TreeViewColumn("Variant", variant, "text", 1) { MinWidth = 100, Resizable = true });
        }

        treeView.AppendColumn(new TreeViewColumn("Active", new CellRendererToggle(), "active", 2));
        treeView.AppendColumn(new TreeViewColumn("Editable", new CellRendererText() { Editable = true }, "text", 3) { MinWidth = 100, Resizable = true });

        //Пустишка для заповнення вільного простору
        treeView.AppendColumn(new TreeViewColumn());

        var img = new Gdk.Pixbuf("form.ico", 16, 16);

        store.AppendValues(img, "1", false, "text");
        store.AppendValues(img, "2", true, "text");
        store.AppendValues(img, "3", false, "text");

        hBox.PackStart(treeView, true, true, 5);

        ShowAll();
    }
}