different between card reader to usb using c#

I build a scanner that takes all drive's with DriveInfo . how i Discerning between drive from card reader and drive from usb ?? thanks....

开发者_如何学Python

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is the same member - Removable!! i try this , but must to be a diffrent from card reader to usb device!! sombody ??

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I would see if the DriveInfo.DriveType returns a different drive type for the card reader and the usb drive. Here's a list of what drive types DriveInfo contains.