.NET Framework Class Library
DataContractFormatAttribute Class

Instructs the Windows Communication Foundation (WCF) infrastructure to use the DataContractSerializer.

Inheritance Hierarchy
SystemObject
   SystemAttribute
    System.ServiceModelDataContractFormatAttribute

Namespace:   System.ServiceModel
Assembly:  System.ServiceModel (in System.ServiceModel.dll)
Syntax
<[%$TOPIC/ms576151_en-us_VS_110_3_0_0_0_0%]([%$TOPIC/ms576151_en-us_VS_110_3_0_0_0_1%].Class Or [%$TOPIC/ms576151_en-us_VS_110_3_0_0_0_2%].Method Or [%$TOPIC/ms576151_en-us_VS_110_3_0_0_0_3%].Interface, Inherited := False,  _
	AllowMultiple := False)> _
Public NotInheritable Class DataContractFormatAttribute _
	Inherits [%$TOPIC/ms576151_en-us_VS_110_3_0_0_0_4%]
[[%$TOPIC/ms576151_en-us_VS_110_3_0_1_0_0%]([%$TOPIC/ms576151_en-us_VS_110_3_0_1_0_1%].Class|[%$TOPIC/ms576151_en-us_VS_110_3_0_1_0_2%].Method|[%$TOPIC/ms576151_en-us_VS_110_3_0_1_0_3%].Interface, Inherited = false, 
	AllowMultiple = false)]
public sealed class DataContractFormatAttribute : [%$TOPIC/ms576151_en-us_VS_110_3_0_1_0_4%]
[[%$TOPIC/ms576151_en-us_VS_110_3_0_2_0_0%]([%$TOPIC/ms576151_en-us_VS_110_3_0_2_0_1%]::Class|[%$TOPIC/ms576151_en-us_VS_110_3_0_2_0_2%]::Method|[%$TOPIC/ms576151_en-us_VS_110_3_0_2_0_3%]::Interface, Inherited = false, 
	AllowMultiple = false)]
public ref class DataContractFormatAttribute sealed : public [%$TOPIC/ms576151_en-us_VS_110_3_0_2_0_4%]
[<[%$TOPIC/ms576151_en-us_VS_110_3_0_3_0_0%]>]
[<[%$TOPIC/ms576151_en-us_VS_110_3_0_3_0_1%]([%$TOPIC/ms576151_en-us_VS_110_3_0_3_0_2%].Class|[%$TOPIC/ms576151_en-us_VS_110_3_0_3_0_3%].Method|[%$TOPIC/ms576151_en-us_VS_110_3_0_3_0_4%].Interface, Inherited = false, 
    AllowMultiple = false)>]
type DataContractFormatAttribute =  
    class 
        inherit [%$TOPIC/ms576151_en-us_VS_110_3_0_3_0_5%] 
    end
public final class DataContractFormatAttribute extends [%$TOPIC/ms576151_en-us_VS_110_3_0_4_0_0%]

The DataContractFormatAttribute type exposes the following members.

Constructors
  NameDescription
Public method Supported by Portable Class Library DataContractFormatAttributeInitializes a new instance of the DataContractFormatAttribute class.
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Properties
  NameDescription
Public property Supported by Portable Class Library StyleGets or sets the SOAP style of the serialized data.
Public property TypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
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Methods
  NameDescription
Public method Supported by Portable Class Library EqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Public method Supported by Portable Class Library GetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public method Supported by Portable Class Library GetTypeGets the Type of the current instance. (Inherited from Object.)
Public method IsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public method MatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Public method Supported by Portable Class Library ToStringReturns a string that represents the current object. (Inherited from Object.)
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Explicit Interface Implementations
  NameDescription
Explicit interface implemetation Private method _AttributeGetIDsOfNamesMaps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetation Private method _AttributeGetTypeInfoRetrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetation Private method _AttributeGetTypeInfoCountRetrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetation Private method _AttributeInvokeProvides access to properties and methods exposed by an object. (Inherited from Attribute.)
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Remarks

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.

Examples

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)>  _
    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
[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 
Version Information

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.