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Home/ Questions/Q 4057846
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Editorial Team
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Editorial Team
Asked: May 20, 20262026-05-20T15:00:17+00:00 2026-05-20T15:00:17+00:00

I need a dictionary/hashmap in c# that allow you to do the following put

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I need a dictionary/hashmap in c# that allow you to do the following

  1. put values and iterate at the same time without a lock
  2. lock only put. get are not locked and you may get many times concurrently

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  1. Editorial Team
    Editorial Team
    2026-05-20T15:00:18+00:00Added an answer on May 20, 2026 at 3:00 pm

    Have a look at the ConcurrentDictionary here: http://msdn.microsoft.com/en-us/library/dd287191.aspx. This should do what you’re looking for. Keep in mind, it’s .Net 4 only.

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