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

5.3. Using the High Level API

5.3.1. Exposing Web Services

Now that you understand when and why to expose COM components and Web services, let's examine how it's done. This section covers the mechanics used to expose COM components with the SOAP Toolkit's high level API.

To expose a COM component, you need a WSDL document that describes the Web service operations as explained in Chapter 4. When using the high level API, you also need a WSML document that maps services to COM components and service operations to interface methods. Instead of creating these documents manually, you use the WSDL Generator that comes with the toolkit.^[2] This wizard reads a COM component's type library and lets you choose which methods you want to expose. Then it ...