private void OpenWindow() { var window = new GmWindow(new Vector2f(_random.Next(500), _random.Next(500)), new Vector2f(500, 400)); UiManager.Add(window); var button1 = new Button(new Vector2f(50, 50), new Vector2f(60, 40)); window.Add(button1); button1.onClick += new EventHandler((s, e) => { Console.WriteLine("Btn prssd"); window.Close(); }); }