在这里查看ConcurrentDictionary： http ：//msdn.microsoft.com/en-us/library/dd287191.aspx 。这应该做你想要的。请记住，它只是.Net 4。

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.