ChatRoomSession.BeginDownloadFile method

Downloads a file from the chat room.

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

public IAsyncResult BeginDownloadFile(
	ChatRoomFileDownloadJob job,
	AsyncCallback userCallback,
	Object state
)

Parameters

job
Type: Microsoft.Rtc.Collaboration.PersistentChat.ChatRoomFileDownloadJob

The file download job.

userCallback
Type: System.AsyncCallback

The callback 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 object that references this operation.

ExceptionCondition
ArgumentNullException

job is null.

ChatServerConnectionException

The PersistentChatEndpoint is not established.

ChatRoomSessionStateException

The State is not Established.

InvalidOperationException

The chat server connection is not in a valid state to send the command or job contains invalid data. The exception contains detailed information about the error.

RealTimeException

The PersistentChatEndpoint encountered an error communicating with the persistent chat server.

SoapException

The persistent chat web service encountered an error processing the request.

This request will be processed asynchronously. Call EndDownloadFile(IAsyncResult) to complete this asynchronous operation.

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