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Sams Teach Yourself Visual Basic 2012 in 24 Hours, Complete Starter Kit by James Foxall

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Hour 22. Controlling Other Applications Using Automation

What You’ll Learn in This Hour

Creating a reference to an automation library

Creating an instance of an automation server

• Manipulating the objects of an automation server

Automating Microsoft Word

Automating Microsoft Excel

In Hour 16, “Designing Objects Using Classes,” you learned how to use classes to create objects. In that hour, I mentioned that objects could be exposed to outside applications. Excel, for example, exposes most of its functionality as a set of objects. The process of using objects from another application is called automation. The externally accessible objects of an application comprise its object model. Using automation to manipulate a program’s object model ...

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