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Microsoft® Silverlight® Edition: Programming Windows® Phone 7 by Charles Petzold

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Task Switching on the Phone

We want our phones to be much like our other computers. We want to have a lot of applications available. We want to start up a particular application as soon as we conceive a need for it. While that application is running, we want it to be as fast as possible and have access to unlimited resources. But we want this application to coexist with other running applications because we want to be able to jump among multiple applications running on the machine.

Arbitrarily jumping among multiple running applications is somewhat impractical on the phone. It would require some kind of display showing all the currently running applications, much like the Windows taskbar. Either this taskbar would have to be constantly visible—taking ...

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