Have a set of Tasks with only X running at a time

c#, multithreading, task

Solution

SemaphoreSlim maxThread = new SemaphoreSlim(10);

for (int i = 0; i < 115; i++)
{
    maxThread.Wait();
    Task.Factory.StartNew(() =>
        {
            //Your Works
        }
        , TaskCreationOptions.LongRunning)
    .ContinueWith( (task) => maxThread.Release() );
}

Problem

Let's say I have 100 tasks that do something that takes 10 seconds. Now I want to only run 10 at a time like when 1 of those 10 finishes another task gets executed till all are finished. Now I always used `ThreadPool.QueueUserWorkItem()` for such task but I've read that it is bad practice to do so and that I should use Tasks instead. My problem is that I nowhere found a good example for my scenario so could you get me started on how to achieve this goal with Tasks?

Original source

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