Making dictionary access thread-safe? [duplicate]

This question already has answers here: 开发者_JAVA技巧 What's the best way of implementing a thread-safe Dictionary? (8 answers) Closed 5 years ago.

whats is the easiest way to make C# dictionary access thread safe? Preferably just using lock(object) but any other ideas welcome!

---

In .NET 4 you have the ConcurrentDictionary class.

If you need to use an older version of .NET, and want to write it yourself:

• wrap a Dictionary as a private field in your class
• use a separate private object lockObject
• take a lock on that lockObject around every access to the dictionary