How to correctly implement a temporary task in C#?

Question

C++ / C#

Good afternoon, it is necessary that a certain task (method) be executed for a certain amount of time, and then completed.
For example, we wait for TCP connections for some time, after which, regardless of whether the client is connected or not, we complete this whole thing

Answer 1

If we are talking about asynchronous tasks, then Cancel asynchronous tasks after a certain period ...
or here: Cancel tasks