Code was moved to MeasureCore.

Perspex.Controls/Presenters/ContentPresenter.cs

@@ -61,63 +61,6 @@ namespace Perspex.Controls.Presenters
             }
         }
 
-        protected override Size ArrangeOverride(Size finalSize)
-        {
-            Control child = ((IVisual)this).VisualChildren.SingleOrDefault() as Control;
-
-            if (child != null)
-            {
-                double left;
-                double top;
-                double width;
-                double height;
-
-                switch (child.HorizontalAlignment)
-                {
-                    case HorizontalAlignment.Left:
-                        left = 0;
-                        width = child.DesiredSize.Value.Width;
-                        break;
-                    case HorizontalAlignment.Center:
-                        left = (finalSize.Width / 2) - (child.DesiredSize.Value.Width / 2);
-                        width = child.DesiredSize.Value.Width;
-                        break;
-                    case HorizontalAlignment.Right:
-                        left = finalSize.Width - child.DesiredSize.Value.Width;
-                        width = child.DesiredSize.Value.Width;
-                        break;
-                    default:
-                        left = 0;
-                        width = finalSize.Width;
-                        break;
-                }
-
-                switch (child.VerticalAlignment)
-                {
-                    case VerticalAlignment.Top:
-                        top = 0;
-                        height = child.DesiredSize.Value.Height;
-                        break;
-                    case VerticalAlignment.Center:
-                        top = (finalSize.Height / 2) - (child.DesiredSize.Value.Height / 2);
-                        height = child.DesiredSize.Value.Height;
-                        break;
-                    case VerticalAlignment.Bottom:
-                        top = finalSize.Height - child.DesiredSize.Value.Height;
-                        height = child.DesiredSize.Value.Height;
-                        break;
-                    default:
-                        top = 0;
-                        height = finalSize.Height;
-                        break;
-                }
-
-                child.Arrange(new Rect(left, top, width, height));
-            }
-
-            return finalSize;
-        }
-
         protected override Size MeasureOverride(Size availableSize)
         {
             Control child = ((IVisual)this).VisualChildren.SingleOrDefault() as Control;