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DataContractFormatAttribute Class

Instructs the infrastructure to use the DataContractSerializer.

System.Object
  System.Attribute
    System.ServiceModel.DataContractFormatAttribute

Namespace:  System.ServiceModel
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

[AttributeUsageAttribute(AttributeTargets.Class|AttributeTargets.Method|AttributeTargets.Interface, Inherited = false, 
	AllowMultiple = false)]
public sealed class DataContractFormatAttribute : Attribute

The DataContractFormatAttribute type exposes the following members.

  NameDescription
Public methodSupported by Portable Class LibraryDataContractFormatAttributeInitializes a new instance of the DataContractFormatAttribute class.
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  NameDescription
Public propertySupported by Portable Class LibraryStyleGets or sets the SOAP style of the serialized data.
Public propertyTypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
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  NameDescription
Public methodSupported by Portable Class LibraryEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected methodSupported by Portable Class LibraryFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Portable Class LibraryGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodSupported by Portable Class LibraryGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodIsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodSupported by Portable Class LibraryMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Portable Class LibraryToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Explicit interface implemetationPrivate method_Attribute.GetIDsOfNamesMaps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoRetrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoCountRetrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.InvokeProvides access to properties and methods exposed by an object. (Inherited from Attribute.)
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This attribute is similar to the XmlSerializerFormatAttribute attribute. Both attributes can be applied to either a method or a class.

A method can have either of the two attributes applied, but not both. Any operation that has neither applied will use the attribute applied to the containing class. If the containing class does not have either attribute applied, the DataContractSerializer is used.

Applying the attribute also causes a DataContractSerializerOperationBehavior to be created at run time. The behavior allows customization at run time of the serializer behavior.

The following example applies the DataContractFormatAttribute and sets the Style property to Rpc. The RPC style is described in the Web Service Description Language specification (WSDL).


[ServiceContract, DataContractFormat(Style = OperationFormatStyle.Rpc)]
interface ICalculator
{
    [OperationContract, DataContractFormat(Style = OperationFormatStyle.Rpc)]
    double Add(double a, double b);

    [OperationContract, DataContractFormat(Style = OperationFormatStyle.Document)]            
    double Subtract(double a, double b);
}



<ServiceContract(), DataContractFormat(Style := OperationFormatStyle.Rpc)>  _
Interface ICalculator
    <OperationContract(), DataContractFormat(Style := OperationFormatStyle.Rpc)>  _
    Function Add(ByVal a As Double, ByVal b As Double) As Double 

    <OperationContract(), DataContractFormat(Style := OperationFormatStyle.Document)>  _
    Function Subtract(ByVal a As Double, ByVal b As Double) As Double 
End Interface 


.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.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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