The new toolkit gives developers and corporate users the ability to search for Web services from across the Internet and integrate them within the toolkit's development environment. Developers will also be able to piece together applications from Web services within the Microsoft Office environment.
In the past Microsoft pushed Web services to developers, said Charles Fitzgerald, general manager of Microsoft's .net Platform Strategy group, but now users can access these services with Office.
"Most discussions on Web services today involve server to server, but we think Office has an important role here in getting the data out to where it is most useful," he said.
Fitzgerald said that eventually Office XP would play a significant role in making Web services available among clients through a peer to peer (P2P) implementation, probably using Groove Networks' P2P environment.
Tying the Web Services Toolkit with Office also serves to broaden the Windows client's ability to interact with non-Microsoft servers, according to some analysts.
Some also believe it is also a way for Microsoft to keep its grip on the desktop applications market.
"This announcement is Microsoft saying, 'we have a monopoly on desktop applications, let's ensure that by making apps like Outlook and Excel the interface to back-end systems like Siebel or SAP'. It is using Web services to re-jig client-server to Microsoft's best advantage,'' said Dana Gardner, research director of the Aberdeen Group's messaging and collaboration services group.
Some of the capabilities in the Office XP Web Services Toolkit include using UDDI to search by keyword or business for Web services that can be imported directly into the Office XP environment.
Developers and users can test a Web service on any XML-based service and a built-in test page. All source code generated in the Visual Basic for Applications (VBA) class is available to developers so they can see how an XML Web service is accessed using SOAP.
All the methods associated with creating an XML Web service are available in VBA through proxy classes, which are created with standard VBA classes based on the 2.0 version of the SOAP toolkit.
The Web Services Toolkit for Office XP can be downloaded free from the Microsoft Developer Network site.
Microsoft Developer Network: msdn.microsoft.com/downloads/
This was first published in January 2002