72 The code in the sample has more structure than shown here. It defines its own DownloadOperation class that unfortunately has the same name as the WinRT class, so I’m electing to omit mention of it.
73 As with downloads, the code in the sample has more structure than shown here and again defines its own UploadOperation class with the same name as the one in WinRT, so I’m omitting mention of it.
74 Such roaming will not happen, however, if a credential is first stored in the locker on a domain joined machine. This protects domain credentials from leaking to the cloud.
75 As described on How the web authentication broker works, requestUri and callbackUri “correspond to an Authorization Endpoint URI and Redirection URI in the OAuth 2.0 protocol. The OpenID protocol and earlier versions of OAuth have similar concepts.”