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DataContractSerializer.WriteStartObject Method (XmlDictionaryWriter, Object)

Writes the opening XML element using an XmlDictionaryWriter.

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

public override void WriteStartObject(
	XmlDictionaryWriter writer,
	Object graph


Type: System.Xml.XmlDictionaryWriter
The XmlDictionaryWriter used to write the XML start element.
Type: System.Object
The object to write.

The following example creates an object to serialize, an instance of the DataContractSerializer, and an instance of the XmlDictionaryWriter class. The example uses the WriteStartObject, WriteObjectContent, and WriteObjectContent methods to write the object data into the XML document.

public static void WriteObjectContentInDocument(string path)
    // Create the object to serialize.
    Person p = new Person("Lynn", "Tsoflias", 9876);

    // Create the writer object.
    FileStream fs = new FileStream(path, FileMode.Create);
    XmlDictionaryWriter writer =

    DataContractSerializer ser =
        new DataContractSerializer(typeof(Person));

    // Use the writer to start a document.

    // Use the writer to write the root element.

    // Use the writer to write an element.
    writer.WriteElementString("Name", "Microsoft");

    // Use the serializer to write the start,
    // content, and end data.
    ser.WriteStartObject(writer, p);
    ser.WriteObjectContent(writer, p);

    // Use the writer to write the end element and
    // the end of the document.

    // Close and release the writer resources.

.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.

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