AudioVideoCall.EndTransfer Method
This method is used to determine whether the corresponding operation completed successfully. This method will wait if the operation has not yet completed
Namespace: Microsoft.Rtc.Collaboration.AudioVideo
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Function EndTransfer ( _
result As IAsyncResult _
) As CallMessageData
'Usage
Dim instance As AudioVideoCall
Dim result As IAsyncResult
Dim returnValue As CallMessageData
returnValue = instance.EndTransfer(result)
public CallMessageData EndTransfer(
IAsyncResult result
)
Parameters
- result
Type: System.IAsyncResult
The reference to the pending asynchronous operation.
Return Value
Type: Microsoft.Rtc.Collaboration.CallMessageData
Returns the parsed successsful SIP response from the transfer operation.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | Thrown when this method is invoked multiple times using the same asyncResult. |
| ArgumentNullException | Thrown when the result parameter is null. |
| ArgumentException | Thrown when the result parameter is invalid. |
| FailureResponseException | Thrown when the remote side returns a failure response for the transfer request operation. |
| OperationTimeoutException | Thrown when the transfer operation timed out. |
| OperationFailureException | Thrown when any of the sub operations of this operation failed due to invalid object state. |
| RealTimeException | Thrown when any of the sub operations of this operation failed due to SIP related errors like connection failure, Authentication failure. |