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DataContractSerializer.KnownTypes Property

Gets a collection of types that may be present in the object graph serialized using this instance of the DataContractSerializer.

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

public ReadOnlyCollection<Type> KnownTypes { get; }

Property Value

Type: System.Collections.ObjectModel.ReadOnlyCollection<Type>
A ReadOnlyCollection<T> that contains the expected types passed in as known types to the DataContractSerializer constructor.

The KnownTypes property provides the set of known types that are used for serialization and deserialization. For example, if an instance of the Hashtable class contains instances of a Person class, add the Person type to an instance of the List<T> class and use the instance to construct an instance of the DataContractSerializer. If you know of other types to add to the Hashtable, then add those types to the collection.

.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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