If a property or field points to a complex type or collection, a simple System.Object.Equals(System.Object) call will be done instead of recursively looking at the members of the nested object.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2