Real World XML Web Services: For VB and VB .NET Developers

7.3. Using Headers on the Client

When you add a Web reference to a Web service that uses SOAP headers, the generated code contains a class for each SOAP header defined in the Web service. Listing 7.4 shows an example proxy class for the above service. To improve readability, I removed all attributes and other code not relevant to this discussion.

Listing 7.4. An example proxy class that calls a Web service with SOAP headers (VBWSClientCode\Chapter7\CustomClient\Web References\VBWSServer1\Reference.vb)

Public Class DataService Inherits SoapHttpClientProtocol Public HeaderClass1Value As HeaderClass1 Public HeaderClass2Value As HeaderClass2 <SoapHeaderAttribute("HeaderClass2Value", _ Direction:=SoapHeaderDirection.Out)> _ Public Sub ReturnHeader() ...