ChatRoomSession.EndGetRecentChatHistory method

Completes the asynchronous request initiated by BeginGetRecentChatHistory(Int32, AsyncCallback, Object)

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

public ReadOnlyCollection<ChatMessage> EndGetRecentChatHistory(
	IAsyncResult asyncResult
)

Parameters

asyncResult
Type: System.IAsyncResult

The IAsyncResult that references this operation.

Return value

Type: System.Collections.ObjectModel.ReadOnlyCollection<ChatMessage>
A collection of the most recent chat messages from the chat room to which this session is joined.

ExceptionCondition
ArgumentNullException

asyncResult is null.

CommandFailedException

The chat server encountered an error processing the request.

RealTimeException

The PersistentChatEndpoint encountered an error communicating with the chat server.

InvalidOperationException

This method was invoked multiple times with the same IAsyncResult instance.

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