ChooseCore< T1, T2, T3 >()

static Task< int > System.Threading.Tasks.Dataflow.DataflowBlock.ChooseCore< T1, T2, T3 > ( ISourceBlock< T1 > source1, Action< T1 > action1, ISourceBlock< T2 > source2, Action< T2 > action2, ISourceBlock< T3 > source3, Action< T3 > action3, DataflowBlockOptions dataflowBlockOptions )

inlinestaticprivate

Definition at line 1578 of file DataflowBlock.cs.

    {
        bool flag = source3 != null;
        if (dataflowBlockOptions.CancellationToken.IsCancellationRequested)
        {
            return Common.CreateTaskFromCancellation<int>(dataflowBlockOptions.CancellationToken);
        }
        try
        {
            TaskScheduler taskScheduler = dataflowBlockOptions.TaskScheduler;
            if (TryChooseFromSource(source1, action1, 0, taskScheduler, out var task) || TryChooseFromSource(source2, action2, 1, taskScheduler, out task) || (flag && TryChooseFromSource(source3, action3, 2, taskScheduler, out task)))
            {
                return task;
            }
        }
        catch (Exception exception)
        {
            return Common.CreateTaskFromException<int>(exception);
        }
        return ChooseCoreByLinking(source1, action1, source2, action2, source3, action3, dataflowBlockOptions);
    }

References System.exception, and System.task.