C#委托实现进度条模拟（和委托1.0到3.0的写法）

//委托的定义类：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
 
namespace CopyWindowsForms
{
    public delegate void CopyHand(int OpenStr,int SavaStr);
    public class CopyHandle
    {
        public CopyHand CopyHandEvent { get; set; }
        public void Copy() 
        {
            for (int i = 0; i < 100; i++)
            {
                Thread.Sleep(200);
                if (CopyHandEvent != null)
                    CopyHandEvent(i + 1, 100);
            }
        }
    }
}//WinFrom文件CS文件
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
 
namespace CopyWindowsForms
{
    public partial class CopyForm : Form
    {
        CopyHandle cp = new CopyHandle();//实例化类
        public CopyForm()
        {
            InitializeComponent();
        }
 
        private void OpenButt_Click(object sender, EventArgs e)
        {
            //委托1.0
            //cp.CopyHandEvent = new CopyHand(CopyHands);
 
 
            //委托2.0【匿名方法】
            //cp.CopyHandEvent = delegate(int i, int cout)
            //{
            //    pb.Maximum = cout;
            //    pb.Value = i;
            //};
 
 
            //委托3.0
            cp.CopyHandEvent = (i, cout) =>
            {
                pb.Maximum = cout;
                pb.Value = i;
            };
            cp.Copy();
        }
        public void CopyHands(int i, int cout)
        {
            pb.Maximum = cout;
            pb.Value = i;
        }
    }
}

模拟进度条委托方法使用1.0——3.0写法下载

http://115.com/file/aq1o5gqv