+bool wxStaticBoxSizer::AreAnyItemsShown() const
+{
+ // We don't need to check the status of our child items: if the box is
+ // shown, this sizer should be considered shown even if all its elements
+ // are hidden (or, more prosaically, there are no elements at all). And,
+ // conversely, if the box is hidden then all our items, which are its
+ // children, are hidden too.
+ return m_staticBox->IsShown();
+}
+