protected override Size ArrangeOverride(Size finalSize)
{
Action<UIElement> arrange = delegate(UIElement child)
{
TransformGroup tg = (TransformGroup)child.RenderTransform;
ScaleTransform st = (ScaleTransform)tg.Children[0];
TranslateTransform tt = (TranslateTransform)tg.Children[3];
Size childSize = child.DesiredSize;
child.Arrange(new Rect(childSize));
tt.SetToVector(finalSize.CenterVector() - childSize.CenterVector());
double scale = GeoHelper.ScaleToFit(finalSize, childSize);
st.ScaleX = scale;
st.ScaleY = scale;
};
m_elements.ForEach(arrange);
m_fadingElements.ForEach(arrange);
return finalSize;
}