public void complex_horizontal_layout_using_uibuilder() { var scene = new Scene(null); var uiBuilder = new UIBuilder(UIStyle.Empty); var horizontalLayout = scene.AddActor("Layout"); new BoundingRect(horizontalLayout, 256, 128); var uiGroup = new LayoutGroup(horizontalLayout, Orientation.Horizontal); uiGroup.SetPaddingBetweenElements(5); uiGroup.SetMarginSize(new Point(15, 15)); Actor e1 = null; Actor e2 = null; Actor e3 = null; uiGroup.AddElement("e1", new Point(32, 32), act => e1 = act); uiGroup.AddElement("e2", new Point(64, 32), act => e2 = act).StretchVertically(); uiGroup.AddElement("e3", new Point(32, 32), act => e3 = act).StretchHorizontally().StretchVertically(); scene.FlushBuffers(); uiGroup.ExecuteLayout(); Assert.Equal(15, e1.transform.Position.X); Assert.Equal(52, e2.transform.Position.X); Assert.Equal(121, e3.transform.Position.X); Assert.Equal(32, e1.GetComponent <BoundingRect>().Width); Assert.Equal(64, e2.GetComponent <BoundingRect>().Width); Assert.Equal(120, e3.GetComponent <BoundingRect>().Width); Assert.Equal(32, e1.GetComponent <BoundingRect>().Height); Assert.Equal(98, e2.GetComponent <BoundingRect>().Height); Assert.Equal(98, e3.GetComponent <BoundingRect>().Height); }