Avoid duplicate event subscriptions in C#

Question

How would you suggest the best way of avoiding duplicate event subscriptions? if this line of code executes in two places, the event will get ran twice. I\'m trying to avoid

Answer 1

Is your code multi threaded ? Concurrency lock is needed only when its multi threaded. If not its a overhead.

As such your approach of unsubscribing and subscribing is correct.

Thanks