In the recent project i had a scenario where I have to capture the photo of the user using our KIOSK and also I have to know the WIA API(Windows Image Acquisition API) devices connected to the system. For these I downloaded the WIA SDK toolkit from MicroSoft and install it on the machine.
This SDK contains an assembly called WIA.dll which can capable of detecting the devices and performing the operations like taking photo etc.
Download it and refer the same WIA.dll to the application. The classes, delegates, interfaces and properties in the dll can serve us.
For a better example and explanation.. refer the following links.
http://www.vbforums.com/showthread.php?t=378126
http://msdn2.microsoft.com/en-us/library/ms792464.aspx
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