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Right, now that we've got the basics of reliability covered , we can move on to SafeHandle. If you've ever done any interop you should know all about handles. They're effectively pointers to internal OS resources. Pretty much everything you do in Windows has a handle involved somewhere. If you open a file, the OS gives you a file handle that you pass into functions that read/write etc from that file. If you have a window it's got a handle, and it's device context has a handle too. Happily enough...
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