您可以
MaxDegreeOfParallelism在
ParallelOptions参数中指定:
Parallel.ForEach( listOfWebpages, new ParallelOptions { MaxDegreeOfParallelism = 4 }, webpage => { Download(webpage); });MSDN:并行ForEach
MSDN:ParallelOptions.MaxDegreeOfParallelism

您可以
MaxDegreeOfParallelism在
ParallelOptions参数中指定:
Parallel.ForEach( listOfWebpages, new ParallelOptions { MaxDegreeOfParallelism = 4 }, webpage => { Download(webpage); });MSDN:并行ForEach
MSDN:ParallelOptions.MaxDegreeOfParallelism