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Windows® Phone 8 Unleashed by Daniel Vaughan

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Measuring the Amount of Available Free Space

The AvailableFreeSpace property of the IsolatedStorageFile allows you to determine the amount of space remaining on the device. This property returns a long value indicating the number of bytes remaining.

The Quota property, of the IsolatedStorageFile class serves no real purpose because no storage limit is imposed on Windows Phone apps.

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