DequeueCall Method
Dequeue a Call object identified by a workflow instance ID.
Namespace: Microsoft.Rtc.Workflow.Activities
Assembly: Microsoft.Rtc.Workflow (in Microsoft.Rtc.Workflow.dll)
Syntax
'Declaration
Public Function DequeueCall ( _
workflowId As Guid _
) As Call
public Call DequeueCall(
Guid workflowId
)
public:
Call^ DequeueCall(
Guid workflowId
)
function dequeueCall(workflowId);
Parameters
- workflowId
Type: Guid
Workflow instance ID.
Return Value
Call.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | Thrown if the workflow instance ID is Guid.Empty. |
| InvalidOperationException | Thrown if the queue is empty. |
| InvalidOperationException | Thrown if it is a middle of shutdown. |