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XmlObjectSerializer.WriteStartObject Method (XmlDictionaryWriter, Object)

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

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

public abstract void WriteStartObject(
	XmlDictionaryWriter writer,
	Object graph


Type: System.Xml.XmlDictionaryWriter

An XmlDictionaryWriter 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.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

.NET Compact Framework

Supported in: 3.5