using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Threading;

namespace KeyGame
{
 /// <summary>
 /// Form1 的摘要说明。
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.Timer timer1;
  private System.ComponentModel.IContainer components;
  Random random;//随机数产生器
  public static string key;//在类之间传递值

  public Form1()
  {
   //
   // Windows 窗体设计器支持所必需的
   //
   InitializeComponent();
   random =new Random(20);//实例化Random类对象

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows 窗体设计器生成的代码
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {
   this.components = new System.ComponentModel.Container();
   this.timer1 = new System.Windows.Forms.Timer(this.components);
   //
   // timer1
   //
   this.timer1.Interval = 1000;
   this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.BackColor = System.Drawing.SystemColors.ControlText;
   this.ClientSize = new System.Drawing.Size(492, 501);
   this.Name = "Form1";
   this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
   this.Text = "键盘打字训练程序";
   this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.Form1_KeyDown);
   this.Load += new System.EventHandler(this.Form1_Load);

  }
  #endregion

  
  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }

  private void Form1_Load(object sender, System.EventArgs e)
  {
   //在form窗体内拖拽一个timer控件,并且把Intreval属性设置为1000;
   //启动定时器
   this.timer1.Start();
  }

  private void timer1_Tick(object sender, System.EventArgs e)
  {//当计时溢出后
   //实例化Label对象l
   Label l = new Label();
   //设置l的背景色
   l.BackColor = Color.Black;
   //设置字体
   l.Font = new Font("Anial",18);
   //字体颜色
   l.ForeColor =Color.Red;
   l.Width = 25;
   l.Height =30;
   //添加到Form窗体后并显示
   this.Controls.Add(l);
   
   
   l.Show();
   //在窗体内的位置是随机的
   l.Left = random.Next(0,500);
   //内容也是随机的
   l.Text = ((char)(random.Next(65,90))).ToString();

   MyLabel ml = new MyLabel(this,l);
   //创建并启动线程
   Thread t =new Thread(new ThreadStart(ml.MoveLabel));
   t.Start();
  }

  private void Form1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
  {
   //获得键盘键值的字符串表示形式
   key = e.KeyCode.ToString();
   //MessageBox.Show(key);
  }
 }
 /// <summary>
 /// 自己的编写的移动Form窗体内Label的类
 /// </summary>
 public class MyLabel
 {
  Label label;
  Form form;
  public MyLabel(Form form,Label label)
  {
   this.form = form;
   this.label = label;
  }
  public void MoveLabel()
  {
   do
   {//每次获得时间片后
    //键值相等则删除窗体内的Label
    if((this.label.Text.ToUpper()) ==Form1.key)
    {
     this.form.Controls.Remove(this.label);
     //this.label.Dispose();
     this.label.Text =null;
     this.form.BackColor = Color.Black;
     break;

    }
    //否则
    //下移Label
    this.label.Top+=5;
    //暂停0.1秒
    Thread.Sleep(100);
    //在规定的时间内没有按键则自动清除Label
    if( this.label.Top > this.form.Bottom )
     break;
   }
   while(true);
   try
   {
    //结束当前线程;
    Thread.CurrentThread.Abort();
   }
   catch
   {
   }
  }
 }
}

 

 

 

 

 

 

 

posted on 2007-10-15 17:25  段静迪  阅读(493)  评论(4编辑  收藏  举报