PersistentChatServices.EndQueryChatHistory(IAsyncResult) Method

Definition

Namespace:: Microsoft.Rtc.Collaboration.PersistentChat

Assembly:: Microsoft.Rtc.Collaboration.PersistentChat.dll

Important

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Completes the asynchronous request initiated by BeginQueryChatHistory(ICollection<Uri>, ChatHistoryQueryOptions, AsyncCallback, Object) or BeginQueryChatHistory(ICollection<Uri>, String, Boolean, Boolean, AsyncCallback, Object)

public:
 System::Collections::ObjectModel::ReadOnlyCollection<Microsoft::Rtc::Collaboration::PersistentChat::ChatHistoryResult ^> ^ EndQueryChatHistory(IAsyncResult ^ asyncResult);

public System.Collections.ObjectModel.ReadOnlyCollection<Microsoft.Rtc.Collaboration.PersistentChat.ChatHistoryResult> EndQueryChatHistory(IAsyncResult asyncResult);

member this.EndQueryChatHistory : IAsyncResult -> System.Collections.ObjectModel.ReadOnlyCollection<Microsoft.Rtc.Collaboration.PersistentChat.ChatHistoryResult>

Public Function EndQueryChatHistory (asyncResult As IAsyncResult) As ReadOnlyCollection(Of ChatHistoryResult)

Parameters

asyncResult: IAsyncResult

The IAsyncResult that references this operation.

Returns

ReadOnlyCollection<ChatHistoryResult>

A collection of ChatHistoryResult objects, one for each chat room that was queried, containing messages that match the query.

Exceptions

ArgumentNullException

asyncResult is null.

CommandFailedException

The chat server encountered an error processing the request.

Microsoft.Rtc.Signaling.RealTimeException

The PersistentChatEndpoint encountered an error communicating with the chat server.

InvalidOperationException

This method invoked multiple times with the same IAsyncResult instance.

Applies to