object graphs, serializing, 122–124, 133
object orientation (OO), 19
ObjectDisposedException exception, 159
OnAbort method (CommunicationObject), 158
OnBeginClose method (CommunicationObject), 158
OnBeginOpen method (CommunicationObject), 158
OnClose method (CommunicationObject), 158, 161
OnClosed method (CommunicationObject), 157–158, 161, 162
OnClosing method (CommunicationObject), 157–158, 161, 162
one-way messaging, 12
OnEndOpen method (CommunicationObject), 158
OnFaulted method (CommunicationObject), 157–158, 162
OnOpen method (CommunicationObject), 158, 160, 161, 163
OnOpened method (CommunicationObject), 157–158, 160, 161
OnOpening method (CommunicationObject), 157–158, 160, 161
OnWriteBodyContents method (BodyWriter), 126
OnWriteHeaderContents method (MessageHeader), 137
OnXmlDictionaryReaderClose delegate, 117
OO (object orientation), 19
Open method
CommunicationObject type, 156, 159–160, 163
ICommunicationObject interface, 154
ServiceHost type, 76
Opened event, 160
Opening event, 160
OperationContractAttribute type, 93, 239, 241
IsOneWay property, 63, 68, 242
OperationDescription type, 253
operations for messages, specifying, 38–39, 123
operations in service contracts, 241–244
OperationSelector property (DispatchRuntime), 268
Order property (DataMemberAttribute), 247
out-of-band responses. See datagram MEPs (simplexes)