Gets a collection of objects declared by <object Runat="Server" Scope="Session"/> tags within the ASP.NET application file Global.asax.
a System.Web.HttpStaticObjectsCollection
If an object on a page does not support serialization and HttpSessionState.Mode is out-of-process (SessionStateMode.SQLServer or SessionStateMode.StateServer), the object will not be created and will not be added to this collection.
The HttpSessionState.StaticObjects property is provided for compatibility with earlier versions of ASP.