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# SBMessageHandler Members

SBMessageHandler overview

#### Public Instance Properties

Contacts | A collection of all remote contacts present in this session
Invited | Indicates if the local client was invited to the session
IsSessionEstablished | Indicates if the session is ready to send/accept commands. E.g. the initial handshaking and identification has been completed.
MessageProcessor | The processor to handle the messages
NSMessageHandler | The nameserver that received the request for the switchboard session
P2PHandler | Implements the P2P framework. This object is automatically created when a succesfull connection was made to the switchboard.

#### Public Instance Methods

Close | Closes the switchboard session by disconnecting from the server.
Equals (inherited from Object) | Determines whether the specified Object is equal to the current Object.
GetHashCode (inherited from Object) | Serves as a hash function for a particular type. GetHashCode is suitable for use in hashing algorithms and data structures like a hash table.
GetType (inherited from Object) | Gets the Type of the current instance.
HandleMessage | Handles message from the processor.
Invite | Invites the specified contact to the switchboard.
SendEmoticonDefinitions | Sends the definition for a list of emoticons to all other contacts in the conversation. The client-programmer must use this function if a text messages uses multiple emoticons in a single message.
SendTextMessage | Sends a plain text message to all other contacts in the conversation.
SendTypingMessage | Sends a 'user is typing..' message to the switchboard, and is received by all participants.
SetInvitation | Overloaded. Called when a switchboard session is created on request of a remote client.
ToString (inherited from Object) | Returns a String that represents the current Object.

#### Public Instance Events

AllContactsLeft | Fired when the owner is the only contact left. If the owner leaves too the connection is automatically closed by the server.
ContactJoined | Fired when a contact joins. In case of a conversation with two people in it this event is called with the remote contact specified in the event argument.
ContactLeft | Fired when a contact leaves the conversation.
EmoticonDefinitionReceived | Fired when a contact sends a emoticon definition.
ExceptionOccurred | Occurs when an exception is thrown while handling the incoming or outgoing messages.
ServerErrorReceived | Occurs when the MSN Switchboard Server sends us an error.
SessionClosed | Fired when the session is closed, either by the server or by the local client.
SessionEstablished | Occurs when a switchboard connection has been made and the initial handshaking commands are send. This indicates that the session is ready to invite or accept other contacts.
TextMessageReceived | Fired when a message is received from any of the other contacts in the conversation.
UserTyping | Fired when any of the other contacts is typing a message.

#### Protected Instance Properties

SessionHash | The hash identifier used to define this switchboard session.
SessionId |

#### Protected Instance Methods

Finalize (inherited from Object) | Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.
MemberwiseClone (inherited from Object) | Creates a shallow copy of the current Object.
OnAllContactsLeft | Fires the AllContactsLeft event.
OnANSReceived | Called when a ANS command has been received.
OnBYEReceived | Called when a BYE command has been received.
OnCALReceived | Called when a CAL command has been received.
OnContactJoined | Fires the ContactJoined event.
OnContactLeft | Fires the ContactLeft event.
OnEmoticonDefinition | Fires the UserTyping event.
OnExceptionOccurred | Fires the ExceptionOccurred event.
OnIROReceived | Called when a IRO command has been received.
OnJOIReceived | Called when a JOI command has been received.
OnMSGReceived | Called when a MSG command has been received.
OnProcessorConnectCallback | Called when the message processor has established a connection. This function will begin the login procedure by sending the VER command.
OnProcessorDisconnectCallback | Called when the message processor has disconnected. This function will set the IsSessionEstablished to false.
OnServerErrorReceived | Fires the ServerErrorReceived event.
OnSessionClosed | Fires the SessionClosed event.
OnSessionEstablished | Fires the SessionEstablished event and processes invitations in the queue.
OnTextMessageReceived | Fires the TextMessageReceived event.
OnUserTyping | Fires the UserTyping event.
OnUSRReceived | Called when a USR command has been received.
ProcessInvitations | Handles all remaining invitations. If no connection is yet established it will do nothing.
SendInitialMessage | Send the first message to the server.
SendInvitationCommand | Sends the invitation command to the switchboard server.

#### See Also

SBMessageHandler Class | XihSolutions.DotMSN Namespace