This documentation is archived and is not being maintained.

XmlObjectSerializer.WriteStartObject Method (XmlWriter, Object)

Writes the start of the object's data as an opening XML element using the specified XmlWriter.

Namespace:  System.Runtime.Serialization
Assembly:  System.Runtime.Serialization (in System.Runtime.Serialization.dll)

abstract WriteStartObject : 
        writer:XmlWriter * 
        graph:Object -> unit 
override WriteStartObject : 
        writer:XmlWriter * 
        graph:Object -> unit 


Type: System.Xml.XmlWriter
An XmlWriter used to write the XML document.
Type: System.Object
The object to serialize.


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.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

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.