C# 轮流展示照片

代码

 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;

 using System.Threading;

 namespace picture_0
 {
     public partial class Form1 : Form
     {
         public Form1()
         {
             InitializeComponent();
         }

 Thread th;
         private void Form1_Load(object sender, EventArgs e)
         {
              th = new Thread
                 (
                     delegate ()
                     {

                         for (int i = ; i < ; i++)
                         {

                             ChangeImage(Image.FromFile(@"picture\18720223738_6b6c58f282_o.jpg"), );
                             ChangeImage(Image.FromFile(@"picture\amargosa-river-stars.jpg"), );

                         }
                     }
                 );
             th.IsBackground = true;
             th.Start();

         }

      private void Form1_FormClosed(object sender, FormClosedEventArgs e)
         {
             th.Abort();//结束线程
         }

         private void ChangeImage(Image img, int millisecondsTimeOut)
         {
             this.Invoke(new Action(() =>
             {
                 pictureBox1.Image = img;
             })
                 );
             Thread.Sleep(millisecondsTimeOut);

         }

     }
 }

代码