????2. ????ParameterizedThreadStart????????????????
????ParameterizedThreadStart?????.Net2.0?в??е???????????????????????????object??????????С?????????????????????????????????object??????????????????????????????μ???????
????3. ????????????????????
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????.Net???????????static????????????????ThreadPool??????????????????????????м???????????? ThreadPool.QueueUserWorkItem(new WaitCallBack()?? object obj) ??????????и?WaitCallBack ????У?[ComVisibleAttribute(true)]
????public delegate void WaitCallback(Object state)
??????????????????????????????????С?
?????????????????????????????????У????????????????????????????????????????????????????????????????????????????????????????
???????????????ο???????????
???????????????￡?(vs 2005???????)
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace UsingThread
{
struct RowCol
{
public int row;
public int col;
};
class ThreadOutput
{
// ??????????
static public ManualResetEvent prompt = new ManualResetEvent(false);
int _rowCount = 0;
int _colCount = 0;
char _char = '*';
int _ret = 0;
/// <summary>
/// ???????
/// </summary>
public int RowCount
{
set { _rowCount = value; }
}
public int ColCount
{
set { _colCount = value; }
}
public char Character
{
set { _char = value; }
}
/// <summary>
/// ???????
/// </summary>
public int RetVal
{
get { return _ret; }
}
public void Output()
{
for (int row = 0; row < _rowCount; row++)
{
for (int col = 0; col < _colCount; col++)
{
Console.Write("{0} "?? _char);
_ret++;
}
Console.Write(" ");
}
// ???????
prompt.Set();
}
public void Output(Object rc)
{
RowCol rowCol = (RowCol)rc;
for (int i = 0; i < rowCol.row; i++)
{
for (int j = 0; j < rowCol.col; j++)
Console.Write("{0} "?? _char);
Console.Write(" ");
}
}
}
class Program
{
static void Main(string[] args)
{
ThreadOutput to1 = new ThreadOutput();
to1.RowCount = 10;
to1.ColCount = 20;
Thread thrd = new Thread(new ThreadStart(to1.Output));
// ????????????????????????????????
thrd.IsBackground = true;
thrd.Start();
// ??????????
ThreadOutput.prompt.WaitOne();
Console.WriteLine("{0}"?? to1.RetVal);
ThreadOutput to2 = new ThreadOutput();
to2.RowCount = 5;
to2.ColCount = 18;
to2.Character = '^';
Thread thrds = new Thread(new ThreadStart(to2.Output));
thrds.IsBackground = true;
thrds.Start();
thrds.Join();
Console.WriteLine("{0}"?? to2.RetVal);
// ?????????????????????
RowCol rc = new RowCol();
rc.row = 12;
rc.col = 13;
to1.Character = '@';
if (ThreadPool.QueueUserWorkItem(new WaitCallback(to1.Output)?? rc))
Console.WriteLine("Insert Pool is success!");
else
Console.WriteLine("Insert Pool is failed!");
Thread.Sleep(1000);
// ????μ?ThreadStart????????????
rc.col = 19;
to2.Character = '#';
Thread thrdt = new Thread(new ParameterizedThreadStart(to2.Output));
thrdt.Start(rc);
thrdt.Join();
}
}
}