问.NET中的生产者/使用者模式，能够等待提交的任务/作业完成

EN

public class ProducerConsumerQueue
{
    private readonly BlockingCollection<Action> queue = new BlockingCollection<Action>();

    public Task Produce(Action work)
    {
        var tcs = new TaskCompletionSource<bool>();
        Action action = () =>
        {
            try
            {
                work();
                tcs.SetResult(true);
            }
            catch (Exception ex)
            {
                tcs.SetException(ex);
            }
        };
        queue.Add(action);
        return tcs.Task;
    }

    public void RunConsumer(CancellationToken token)
    {
        while (true)
        {
            token.ThrowIfCancellationRequested();
            var action = queue.Take(token);
            action();
        }
    }
}