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XmlSerializer Constructor (Type, Type[])

Initializes a new instance of the XmlSerializer class that can serialize objects of the specified type into XML documents, and deserialize XML documents into object of a specified type. If a property or field returns an array, the extraTypes parameter specifies objects that can be inserted into the array.

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

new : 
        type:Type * 
        extraTypes:Type[] -> XmlSerializer

Parameters

type
Type: System.Type
The type of the object that this XmlSerializer can serialize.
extraTypes
Type: System.Type[]
A Type array of additional object types to serialize.

By default, if a public property or field returns an object, or array of objects, the object types are automatically serialized. However, if a class contains a field or property that returns an array of type Object, any object can be inserted into that array. In that case, the XmlSerializer must be instructed to expect all the possible object types that are inserted into the Object array. To do this, use the extraTypes parameter to specify the extra object types to serialize or deserialize.

You can also use the extraTypes parameter to specify types derived from a base class. For example, suppose a base class named Phone exists, and a class named InternationalPhone derives from it. Use the extraTypes parameter to specify the derived type as well.

The following example serializes an instance of a class that contains a public field that returns an array of objects. The extraTypes parameter of the XmlSerializer constructor specifies the types of the objects that can be serialized in the array.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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 XP SP2 x64 Edition, 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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