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;
//全部都是命名空間
using System.Threading;

namespace _02窗口抖動(dòng)
{
  public partial class Form1 : Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void Form1_Load(object sender, EventArgs e)
    {
      this.BackColor = Color.Pink;
      //設(shè)置窗口的大小
      this.Width = 300;
      this.Height = 300;
      //窗口初識(shí)位置
      this.Left = 300;
      this.Top = 300;
      //button按鈕設(shè)置文本為“按鈕”
      button1.Text = "按鈕";
      button1.Width = 80;
      button1.Height = 40;
      button1.BackColor = Color.SkyBlue;
    }

    private void button1_Click(object sender, EventArgs e)
    {
     //設(shè)置隨機(jī)色
      Random r = new Random();
      for (int i=0;i<5;i++) {
        //this.BackColor = Color.Plum;
        this.Left = 303;
        //線程：代碼執(zhí)行的路線進(jìn)程
        //方法：小括號(hào)分號(hào)結(jié)束，給括號(hào)中填參數(shù)
        Thread.Sleep(20);
        this.Top = 303;
        Thread.Sleep(20);
        //this.BackColor = Color.Tomato;
        this.Left = 300;
        Thread.Sleep(20);
        this.Left = 297;
        Thread.Sleep(20);
        this.Top = 300;
        Thread.Sleep(20);
        this.Top = 297;
        Thread.Sleep(20);
        //this.BackColor = Color.SteelBlue;
        this.Left = 300;
        Thread.Sleep(20);
        this.Left = 307;
        Thread.Sleep(20);
        this.Top = 300;
        Thread.Sleep(20);
        this.Left = 300;
        //this.BackColor = Color.Pink;
      }
      //隨機(jī)色
      this.BackColor = Color.FromArgb(r.Next(256), r.Next(256), r.Next(256));
    }
  }
}