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DataContractSerializer Constructor (Type, String, String, IEnumerable<Type>)

Initializes a new instance of the DataContractSerializer class to serialize or deserialize an object of the specified type. This method also specifies the root XML element and namespace in two string parameters as well as a list of known types that may be present in the object graph.

Namespace:  System.Runtime.Serialization
Assembly:  System.Runtime.Serialization (in System.Runtime.Serialization.dll)
public DataContractSerializer(
	Type type,
	string rootName,
	string rootNamespace,
	IEnumerable<Type> knownTypes
)

Parameters

type
Type: System.Type
The type of the instances that are serialized or deserialized.
rootName
Type: System.String
The root element name of the content.
rootNamespace
Type: System.String
The namespace of the root element.
knownTypes
Type: System.Collections.Generic.IEnumerable<Type>
An IEnumerable<T> of Type that contains the types that may be present in the object graph.

The following example creates an instance of the DataContractSerializer that specifies the type to serialize or deserialize as well as the XML name and namespace to read from or write to the XML document. The code also creates an instance of a IEnumerable<T> to contain the known types used during serialization or deserialization.


public static void Constructor5()
{
    // Create a generic List of types and add the known types
    // to the collection.
    List<Type> knownTypeList = new List<Type>();
    knownTypeList.Add(typeof(PurchaseOrder));
    knownTypeList.Add(typeof(PurchaseOrderV3));

    DataContractSerializer ser =
        new DataContractSerializer(
        typeof(Person),
        "Customer",
        @"http://www.contoso.com",
        knownTypeList);

    // Other code not shown.
}


.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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