WinForm实现仿视频播放器左下角滚动新闻效果的方法

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;using System.Drawing.Imaging;using System.IO;using System.Xml.Linq;namespace App{ public partial class Form7 : Form {  private int Index { get; set; }  private DataTable dataTable { get; set; }  private System.Timers.Timer timer { get; set; }  public Form7()  {   InitializeComponent();   dataTable = new DataTable();   dataTable.Columns.AddRange(new DataColumn[] {     new DataColumn("Id",typeof(System.Int32)),    new DataColumn("DisplayName",typeof(System.String)),    new DataColumn("URL",typeof(System.String))   });   DataRow row = dataTable.NewRow();   row["Id"] = 1;   row["DisplayName"] = "百度百科欢迎你!";   row["URL"] = "http://www.baidu.com";   dataTable.Rows.Add(row);   row = dataTable.NewRow();   row["Id"] = 2;   row["DisplayName"] = "刘XX明星已经现身搜狐网站，赶快去围观!";   row["URL"] = "http://www.sohu.com";   dataTable.Rows.Add(row);   row = dataTable.NewRow();   row["Id"] = 3;   row["DisplayName"] = "新浪新闻出现重大新闻，点我快速查看!";   row["URL"] = "http://www.sina.com.cn";   dataTable.Rows.Add(row);   row = dataTable.NewRow();   row["Id"] = 4;   row["DisplayName"] = "网易客户端出现新版本啦，赶快去体验把!";   row["URL"] = "http://www.126.com";   dataTable.Rows.Add(row);   label1.Text = lblContent.Top.ToString();   timer = new System.Timers.Timer(2000);   timer.Elapsed += delegate   {    CharsMouse();   };   timer.Start();   button1.Click += delegate   {    CharsMouse();   };   button2.Click += delegate   {    timer.Dispose();   };   lblContent.LinkClicked += delegate   {    label2.Text = dataTable.Rows[Index]["URL"].ToString();   };  }  void CharsMouse()  {   this.lblContent.Invoke(new MethodInvoker(delegate   {    if (Index >= dataTable.Rows.Count)     Index = 0;    while (lblContent.Top > -lblContent.Height)    {     lblContent.Top = lblContent.Top - 2;     label1.Text = "1.Top=" + lblContent.Top.ToString();     System.Threading.Thread.Sleep(100);     Application.DoEvents();    }    lblContent.Text = dataTable.Rows[Index]["DisplayName"].ToString();    lblContent.Top = 2;    timer.Enabled = false;    Application.DoEvents();    System.Threading.Thread.Sleep(2000);    timer.Enabled = true;    Index++;   }));  } }}