[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Gets the ID value that uniquely identifies the SD card.
Assembly: Microsoft.Phone (in Microsoft.Phone.dll)
Your app must register for a file association in the app manifest file to declare what file types (extensions) can be read from the SD card. For more info, see Auto-launching apps using file and URI associations for Windows Phone 8.