LIST<> AddRange throwing ArgumentException

Question

I have a particular method that is occasionally crashing with an ArgumentException:

Destination array was not long enough. Check destIndex and length, and the ar         


        

Answer 1

Are you trying to update the same list from multiple threads? That could cause problems... List<T> isn't safe for multiple writers.

Answer 2

Honestly, I'm not sure, but why not just remove the size declaration on your List initialization?

List`<MyType>` list = new List`<MyType>`