InstantMessagingMcuSession.BeginDialOut(String, AsyncCallback, Object) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Requests from the Instant Messaging MCU to initiate an Instant Messaging call to the supplied destination URI.
public:
IAsyncResult ^ BeginDialOut(System::String ^ destinationUri, AsyncCallback ^ userCallback, System::Object ^ state);
public IAsyncResult BeginDialOut (string destinationUri, AsyncCallback userCallback, object state);
override this.BeginDialOut : string * AsyncCallback * obj -> IAsyncResult
Public Function BeginDialOut (destinationUri As String, userCallback As AsyncCallback, state As Object) As IAsyncResult
Parameters
- destinationUri
- String
The URI of the entity to call.
- userCallback
- AsyncCallback
The method to be called when the asynchronous operation is completed.
- state
- Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.
Returns
An IAsyncResult that references the asynchronous operation.
Exceptions
Thrown when the parent ConferenceSession is not in a valid state or the conference does not support the corresponding MCU type.
Thrown when the supplied destinationUri is null.
Thrown when the supplied destinationUri is invalid.
Thrown when the parent ConferenceSession is reconnecting (FailureReason will be set to InvalidOperationReason.RetryableOperation).