Manage Program Flow - Implement multithreading and asynchronous processing

3 important questions on Manage Program Flow - Implement multithreading and asynchronous processing

What is the ThreadPool.QueueUserWorkItem method ?

Queues a method for execution. The method executes when a thread pool thread becomes available.

What is a lambda expression?

A short-hand version of a delegate.

What is Parallel.ForEach ?

It's a foreach loop that runs on multiple threads. This is not always beneficial (for example, if the code will complete very fast anyway).

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