BeginSendMessage Method
Sends a message to the specified remote participant.
Namespace: Microsoft.Rtc.Collaboration
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Protected Function BeginSendMessage ( _
messageType As MessageType, _
contentType As ContentType, _
body As Byte(), _
signalingHeaders As IEnumerable(Of SignalingHeader), _
userCallback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim messageType As MessageType
Dim contentType As ContentType
Dim body As Byte()
Dim signalingHeaders As IEnumerable(Of SignalingHeader)
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = Me.BeginSendMessage(messageType, _
contentType, body, signalingHeaders, _
userCallback, state)
protected IAsyncResult BeginSendMessage(
MessageType messageType,
ContentType contentType,
byte[] body,
IEnumerable<SignalingHeader> signalingHeaders,
AsyncCallback userCallback,
Object state
)
Parameters
- messageType
Type: Microsoft.Rtc.Signaling..::..MessageType
Type of the body of the message.
- contentType
Type: System.Net.Mime..::..ContentType
Content type describing the body. Can be nullNothingnullptrunita null reference (Nothing in Visual Basic) if the body is nullNothingnullptrunita null reference (Nothing in Visual Basic).
- body
Type: array<System..::..Byte>[]()[][]
The body for the data. Can be nullNothingnullptrunita null reference (Nothing in Visual Basic).
- signalingHeaders
Type: System.Collections.Generic..::..IEnumerable<(Of <(<'SignalingHeader>)>)>
Headers provided for this invite.
- userCallback
Type: System..::..AsyncCallback
The method to be called when the BeginSendMessage operation has completed.
- state
Type: System..::..Object
The state to be passed back to the callback.
Return Value
Type: System..::..IAsyncResult
Returns an [IAsyncResult] that references this operation.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentException | Thrown when a body is specified without a content type with media type. MessageType is not Message or Info. |
| InvalidOperationException | Thrown when called in an invalid state. |
| ServerPolicyException | Thrown when a server policy setting does not allow the sending of the message. |