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ThreadPool.QueueUserWorkItem(new WaitCallback((_) => { MyMethod(param1, Param2); }), null);
Could you please explain the meaning of underscore (_) in the WaitCallBack constructor?
The unserscore is actually the argument to the anonymous method. It’s a common technique if a lambda expression that takes an input parameter is needed, but the input parameter is not actually used.
It’s exactly equivalent to: