在4.0 下的并行开发

 并行开发/运行 

public void ParalleTest()
        {
            //invoke,for和forEach。

            Parallel.Invoke(CheckOrder, CheckOrder);

             Parallel.For(0, 20000000, i =>      
            {
                // do sth
                    
            });

             Parallel.ForEach(Partitioner.Create(0, 20000000), i =>
             {
                 for (int m = i.Item1;  m < i.Item2; m++)
                 {
                    // do sth
                 }
             });
        }