| SoapActorAttribute | 
Indicates the recipient of a SOAP header element. This class cannot be inherited. | 
| SoapAspNetRequestChannel | 
Defines a connection with a Web service that is hosted by ASP.NET and allows SOAP messages to be received and sent from a given endpoint. This class cannot be inherited. | 
| SoapAspNetTransport | 
Represents a SOAP transport that communicates with a Web service hosted in ASP.NET. | 
| SoapChannel | 
Defines a messaging connection for a given endpoint. | 
| SoapClient | 
Represents a client for sending SOAP messages using transport-independent protocols. | 
| SoapFramingFormatter | 
Represents a SOAP formatter that can serialize a SoapEnvelope into a Stream and deserialize from a Stream . This class cannot be inherited. | 
| SoapHttpChannelOptions | 
Defines SOAP HTTP channel options. This class cannot be inherited. | 
| SoapHttpInputChannel | 
Defines a messaging connection that allows messages to be received from a given endpoint using HTTP. This class cannot be inherited. | 
| SoapHttpOutputChannel | 
Defines a messaging connection that allows messages to be sent to a given endpoint using HTTP. This class cannot be inherited. | 
| SoapHttpRouter | 
Provides the routing handler for a message path intermediary. | 
| SoapHttpTransport | 
Represents a SOAP transport that uses the HTTP protocol. This class cannot be inherited. | 
| SoapInputChannel | 
Defines a messaging connection that allows messages to be received from a given endpoint. | 
| SoapInputChannelCollection | 
Represents a collection of ISoapInputChannel objects. | 
| SoapMessageQueue | 
Represents a first-in, first-out collection of SOAP messages. This class cannot be inherited. | 
| SoapMethodAttribute | 
Indicates that a method is callable across the Internet. This class cannot be inherited. | 
| SoapMethodInvoker | 
Base class for objects that can invoke Web service methods. | 
| SoapMtomFormatter | 
Handles conversion between objects of type SoapEnvelope and MTOM encoded MIME packages. | 
| SoapOutputChannel | 
Defines a messaging connection that allows messages to be sent to a given endpoint. | 
| SoapOutputChannelCollection | 
Represents a collection of ISoapOutputChannel objects. | 
| SoapPlainFormatter | 
Represents a SOAP formatter that serializes a SOAP envelope into a stream and deserializes a SOAP envelope from a stream. This class cannot be inherited. | 
| SoapPort | 
Provides a base class for defining filtering for SOAP send and receive operations. | 
| SoapReceiver | 
Provides a base class for receiving SOAP messages using the SOAP Messaging feature set. | 
| SoapReceivers | 
Represents a collection of SoapReceiver objects. This class cannot be inherited. | 
| SoapSender | 
Provides the ability to transmit a SOAP message one way to a specified destination. | 
| SoapService | 
Defines a Web service that is used to receive SOAP request messages and send SOAP response messages that are transport independent. | 
| SoapServiceAttribute | 
Indicates that a service is callable across the Internet. This class cannot be inherited. | 
| SoapServiceMethodInvoker | 
Represents the information required to call a method when routing a SOAP envelope. | 
| SoapTcpActiveInputChannel | 
Defines a messaging connection that allows messages to be received from a given endpoint. This class cannot be inherited. | 
| SoapTcpInputChannel | 
Defines a messaging connection that allows messages to be received from a given endpoint. | 
| SoapTcpOutputChannel | 
Defines a messaging connection that allows messages to be sent from to a given endpoint. This class cannot be inherited. | 
| SoapTcpPassiveInputChannel | 
Defines a messaging connection that allows messages to be received from a given endpoint. This class cannot be inherited. | 
| SoapTcpTransport | 
Represents the protocol used to transport the SOAP message. | 
| SoapTcpTransportOptions | 
Defines SOAP TCP transport options. | 
| SoapTransport | 
Represents the protocol used to transport the SOAP message. | 
| SoapTransport.DispatchFailedEventArgs | 
Provides data for the DispatchFailed event. This class cannot be inherited. | 
| WebServiceReceiver | 
This class enables WSE to host ASP.NET Web services. |