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

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Capturing from the Camera

Besides embedding bitmaps in your application or accessing them from the web, Windows Phone 7 also allows you to acquire images from the built-in camera.

Your application has no control over the camera itself. For reasons of security, your program cannot arbitrarily snap a picture, or “see” what’s coming through the camera lens. Your application basically invokes a standard camera utility, the user points and shoots, and the picture is returned back to your program.

The classes you use for this job are in the Microsoft.Phone.Tasks namespace, which contains several classes referred to as choosers and launchers. Conceptually, these are rather similar, except that choosers return data to your program but launchers do not. ...

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