XmlObjectSerializer.WriteObjectContent Method (XmlWriter, Object)
Writes only the content of the object to the XML document or stream with the specified XmlWriter.
Assembly: System.Runtime.Serialization (in System.Runtime.Serialization.dll)
the type being serialized does not conform to data contract rules. For example, the DataContractAttribute attribute has not been applied to the type.
there is a problem with the instance being serialized.
the maximum number of objects to serialize has been exceeded. Check the MaxItemsInObjectGraph property.
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
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.