ThreadPool.QueueUserWorkItem的用法

ThreadPool.SetMaxThreads(100, 100);
ThreadPool.QueueUserWorkItem((obj) =>
{
    MessageBox.Show("执行线程中的代码");
});

Thread.Sleep(1000);

int n = 8;
ThreadPool.QueueUserWorkItem((obj) =>
{
    MessageBox.Show("传入的参数是：" + Convert.ToInt32(obj));
}, n);