C# 多线程操作队列

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Net;
using System.Runtime.InteropServices;
using System.Net.Sockets;
using System.IO;
using System.Collections;

namespace ConsoleApplication1
{

public class prodert
{
private string urls;
private string name;
public string Name
{
set { this.name = value; }
get { return this.name; }
}

public string Urls
{
set { this.urls = value; }
get { return this.urls; }
}
}

class IPSearch
{
static Queue<prodert> q = new Queue<prodert>();
public static object a = new object();
static void Main(string[] args)
{

Dictionary<string, string> dic = new Dictionary<string, string>();

for (int i = 0; i < 100; i++)
{
prodert p = new prodert();
p.Urls = "http://www.hao123.com" + i.ToString();
p.Name = "hao123com" + i.ToString();
q.Enqueue(p);
}

Thread t1 = new Thread(new ThreadStart(getQueue));
Thread t2 = new Thread(new ThreadStart(getQueue));
Thread t3 = new Thread(new ThreadStart(getQueue));
t1.Name = "t1";
t1.Start();
t2.Name = "t2";
t2.Start();
t3.Name = "t3";
t3.Start();
Console.ReadKey();
}
private static void getQueue()
{
for (int i = 0; i < 10; i++)
{
aa();
}
}
private static void aa()
{
lock (a)
{
if (q.Count > 0)
{
prodert p1 = q.Dequeue();
Thread.Sleep(100);
Console.WriteLine(p1.Name + p1.Urls+"------"+Thread.CurrentThread.Name);

}
}
}
}
}