SignalingSession.BeginSendMessage Method (MessageType, ContentType, Byte , IEnumerable<SignalingHeader>, AsyncCallback, Object)
Send message to participant specified. Participant who is not part of the session is ignored.
Namespace: Microsoft.Rtc.Signaling
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public 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 instance As SignalingSession
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 = instance.BeginSendMessage(messageType, _
contentType, body, signalingHeaders, _
userCallback, state)
public 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 null if body is null and if null text/plain, UTF-8 is assumed.
- body
Type: []
The body for the data. Can be null.
- signalingHeaders
Type: System.Collections.Generic.IEnumerable<SignalingHeader>
Headers provided for this invite. Can be null.
- userCallback
Type: System.AsyncCallback
The method to be called when the asynchronous operation is completed.
- state
Type: System.Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.
Return Value
Type: System.IAsyncResult
An IAsyncResult that references the asynchronous 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. |