BeginSendChatMessage Method (FormattedOutboundChatMessage, AsyncCallback, Object)

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Sends a formatted chat message to a chat room. A formatted message can be composed of hyperlinks, emoticons, and other parts.

Namespace: Microsoft.Rtc.Collaboration.GroupChat
Assembly: Microsoft.Rtc.Collaboration.GroupChat (in Microsoft.Rtc.Collaboration.GroupChat.dll)


Public Function BeginSendChatMessage ( _
    formattedMessage As FormattedOutboundChatMessage, _
    userCallback As AsyncCallback, _
    state As Object _
) As IAsyncResult
Dim instance As ChatRoomSession
Dim formattedMessage As FormattedOutboundChatMessage
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult

returnValue = instance.BeginSendChatMessage(formattedMessage, _
    userCallback, state)
public IAsyncResult BeginSendChatMessage(
    FormattedOutboundChatMessage formattedMessage,
    AsyncCallback userCallback,
    Object state


  • userCallback
    Type: System.AsyncCallback
    The method to be invoked when this asynchronous operation completes.
  • state
    Type: System.Object
    An object to be passed back to the callback.

Return Value

Type: System.IAsyncResult
An IAsyncResult that references this operation.


Exception Condition

Thrown when invalid arguments are passed.


Thrown when the GroupChatEndpoint is not established.


Thrown when the ChatRoomSession is not joined.


Thrown when the chat server connection is not in a valid state to send the command.


Thrown when the GroupChatEndpoint encounters an error communicating with the group chat server.


This request will be processed asynchronously. See EndSendChatMessage(IAsyncResult) to complete this asynchronous operation.

See Also


ChatRoomSession Class

ChatRoomSession Members

BeginSendChatMessage Overload

Microsoft.Rtc.Collaboration.GroupChat Namespace