MtomMessageEncodingBindingElement Class

The binding element that specifies the encoding and versioning used for Message Transmission Optimization Mechanism (MTOM) messages.

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

public ref class MtomMessageEncodingBindingElement sealed : public MessageEncodingBindingElement, 
	IWsdlExportExtension, IPolicyExportExtension

Encoding is the process of transforming a message into a sequence of bytes. Decoding is the reverse process. Windows Communication Foundation (WCF) includes three types of encoding for SOAP messages: Text, Binary and Message Transmission Optimization Mechanism (MTOM).

The MTOMMessageEncodingBindingElement represents the binding element that specifies the character encoding and message versioning and other settings used for messages using a Message Transmission Optimization Mechanism (MTOM) encoding. MTOM is an efficient technology for transmitting binary data in WCF messages. The MTOM encoder attempts to create a balance between efficiency and interoperability. The MTOM encoding transmits most XML in textual form, but optimizes large blocks of binary data by transmitting them as-is, without conversion to their base64 encoded format.

For more information about the binding element that specifies that messages are encoded using a textual representation of XML, see TextMessageEncodingBindingElement.

For more information about the binding element that specifies messages are encoded using the .NET Binary Format for XML, see BinaryMessageEncodingBindingElement.

To implement a custom message encoder, use the MessageEncodingBindingElement class.

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

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0
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