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I have
public static readonly Dictionary<string, EventHandler> CacheHandlers = new Dictionary<string, EventHandler>();
and I have duplicate keys in this dictionary:
debugger screenshot: https://i.stack.imgur.com/tuXI7.png
How does it happen?
Is it a bug in the .net framework or could it be an artifact of concurent usage?
MSDN states that Dictionarys might not be thread safe.
If you are concurrently reading from the Dictionary, then it might be safe so long as you lock the Dictionary when you add new key/value pairs.