Cross-Platform XML Web Services
You’ve already seen how you can invoke an XML Web service in any browser using HTTP GET and the properly formatted query string. This gives you an idea of how easy it is for a non-.NET client to access an XML Web service. It just has to send the appropriate HTTP request and parse the retrieved XML document.
To test this technique, you can use the Microsoft XML COM library, which includes an XMLHTTP object that can send XML documents over the HTTP channel. This example (shown in Example 5-4 and illustrated in Figure 5-11) uses Visual Basic 6 and Microsoft XML version 4 (msxml4.dll), but earlier versions will also work.
Example 5-4. Consuming a .NET XML Web service in Visual Basic 6
Private Sub Form_Load() Dim Transfer As XMLHTTP ...
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