WhenAll() [2/4]

static Task System.Threading.Tasks.Task< TResult >.WhenAll ( IEnumerable< Task< TResult > > tasks )

inlinestaticinherited

Definition at line 3504 of file Task.cs.

    {
        if (tasks is ICollection<Task> collection)
        {
            if (tasks is Task[] tasks2)
            {
                return WhenAll(tasks2);
            }
            int num = 0;
            Task[] array = new Task[collection.Count];
            foreach (Task task in tasks)
            {
                if (task == null)
                {
                    ThrowHelper.ThrowArgumentException(ExceptionResource.Task_MultiTaskContinuation_NullTask, ExceptionArgument.tasks);
                }
                array[num++] = task;
            }
            return InternalWhenAll(array);
        }
        if (tasks == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.tasks);
        }
        List<Task> list = new List<Task>();
        foreach (Task task2 in tasks)
        {
            if (task2 == null)
            {
                ThrowHelper.ThrowArgumentException(ExceptionResource.Task_MultiTaskContinuation_NullTask, ExceptionArgument.tasks);
            }
            list.Add(task2);
        }
        return InternalWhenAll(list.ToArray());
    }

References System.array, System.collection, System.Threading.Tasks.Task< TResult >.InternalWhenAll(), System.list, System.task, System.tasks, System.ThrowHelper.ThrowArgumentException(), System.ThrowHelper.ThrowArgumentNullException(), and System.Threading.Tasks.Task< TResult >.WhenAll().

Referenced by System.IO.Strategies.Net5CompatFileStreamStrategy.FlushWriteAsync(), System.Threading.Tasks.Dataflow.DataflowBlock.SourceObservable< TOutput >.ObserversState.ProcessItemAsync(), System.Threading.Tasks.Task< TResult >.WhenAll(), System.Threading.Tasks.Task< TResult >.WhenAll< TResult >(), and System.IO.Strategies.Net5CompatFileStreamStrategy.WriteAsyncInternal().