frmupdateui2.cs

清华大学出版社出版的 移动应用开发宝典 张大威（2008）的附书源代码

using System;
using System.Windows.Forms;
using System.Threading;

namespace CodeForChapter11cs
{
  public partial class frmUpdateUI2 : Form
  {
    public frmUpdateUI2()
    {
      InitializeComponent();
    }

    private void menuItem1_Click(object sender, EventArgs e)
    {
      Thread t = new Thread(this.UpdateUI);
      t.Name = "Worker: Assigns form's caption text.";
      t.Start();
    }

    private void menuItem2_Click(object sender, EventArgs e)
    {
      this.UpdateUI();
    }

    delegate void MethodInvoker();

    private void UpdateUI()
    {
      if (this.InvokeRequired)
      {
        // On worker thread