public void OnGameTimeEnds() { PlayerScoreSystem.SetGlobalPosition(400, 200); GridNode.Dispose(); Texture2D exitButtonTexture = Global.Game.Content.Load <Texture2D>("ok-button"); UiButton ExitButton; ExitButton = new UiButton(); ExitButton.SetGlobalPosition(300, 475); ExitButton.SetSize(200, 50); ExitButton.Name = "ExitButton"; ExitButton.OnButtonPressed += () => Global.Game.ChangeScene(new MainMenu()); ExitButton.SetTexture(exitButtonTexture); AddChild(ExitButton); }