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

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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 XmlDictionaryString 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 Sub New ( _
    type As Type, _
    rootName As XmlDictionaryString, _
    rootNamespace As XmlDictionaryString, _
    knownTypes As IEnumerable(Of Type) _
public DataContractSerializer(
    Type type,
    XmlDictionaryString rootName,
    XmlDictionaryString rootNamespace,
    IEnumerable<Type> knownTypes


  • type
    Type: System.Type
    The type of the instances that are serialized or deserialized.


Platform Notes

Silverlight for Windows Phone Silverlight for Windows Phone

If the type passed in the knownTypes parameter is an implementation of the interface specified in the type parameter, and the interface is not public, Silverlight for Windows Phone throws a SecurityException. On other platforms, serialization occurs with no exception thrown.

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.