Serialization. Formatters. Soap
The System.Runtime.Serialization.Formatters.Soap namespace contains the SoapFormatter class, which can be used to serialize and deserialize objects in the SOAP format. When building applications that uses the types in this namespace, you must reference the System.Runtime.Serialization.Formatters.Soap.dll assembly.
Serializes and deserializes an object, or an entire graph of connected objects, in SOAP format.