郑德才博客

//打字游戏
private void Form1_Load(object sender, EventArgs e)
{
this.timer1.Interval = 500; //定时0.5秒
this.timer1.Start();　　　　//定时启动　
}


Random r = new Random();
private void timer1_Tick(object sender, EventArgs e)
{
Label l = new Label();
char cc = (char)((int)'A' + r.Next(26)); //随机产生26 个字母
l.Text = cc.ToString();
//l.BackColor = Color.Red;
l.ForeColor = Color.Red;
l.Left = r.Next(this.Width); //随机水平位置
this.panel1.Controls.Add(l);


foreach (Control c in this.panel1.Controls)
{
c.Top += 15; //向下移动
if (c.Top == this.Height) c.Dispose(); //到底消除
}
}

private void Form1_KeyDown(object sender, KeyEventArgs e)
{
foreach (Control c in this.panel1.Controls)
{
if (c.GetType() == typeof(Label))
{
Label t = (Label)c;
if (t.Text == e.KeyCode.ToString()) //按下的键有, 消除
this.panel1.Controls.Remove(c);
}
}
}