namespace System.Net { public enum WebExceptionStatus { CacheEntryNotFound = 18, ConnectFailure = 2, ConnectionClosed = 8, KeepAliveFailure = 12, MessageLengthLimitExceeded = 17, NameResolutionFailure = 1, Pending = 13, PipelineFailure = 5, ProtocolError = 7, ProxyNameResolutionFailure = 15, ReceiveFailure = 3, RequestCanceled = 6, RequestProhibitedByCachePolicy = 19, RequestProhibitedByProxy = 20, SecureChannelFailure = 10, SendFailure = 4, ServerProtocolViolation = 11, Success = 0, Timeout = 14, TrustFailure = 9, UnknownError = 16 } }