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   SAMPLE : ItemTreeChanges
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Description:
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The sample provides an overview of the item tree changes introduced in Windows
Vista. 

Details:
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The sample creates a WIA Device Manager, enumerates various devices and then creates a device, thereby getting an interface pointer to 
root item of a Wia device. After that the sample iterates the item tree and
prints the item names and also highlights the capabilities of each item , ie.
whether it is programmable or not, does it support transfer of data etc.


PreCondition:
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This sample is supported for Windows Vista.
For this sample to produce some result, atleast one WIA device should be installed on the system.