private static bool GetContentAnchorableIsHidden(LayoutAnchorable anchorable) { if (anchorable == null) { return(false); } if (anchorable.IsAnchorable()) { return(anchorable.GetAnchorableIsHidden()); } else if (anchorable.Content.IsAnchorable()) { return(anchorable.Content.GetAnchorableIsHidden()); } else { throw new InvalidOperationException(); } }