窗口抖动

是一个平台：Net.Framework；
万事万物皆对象
对象三大特征：
属性；方法（主动行为）；事件（被动行为）
计算机语言：机器语言：二进制语言（0、1）
C/S：client 客户端，各种APP软件
B/S：Browser 浏览器端程序 各种网站网页

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;
using System.Threading;
using System.Threading;
namespace _01demo
{
    public partial class zhen : Form
    {
        public zhen()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            this.BackColor = Color.Blue;
            this.Width = 300;
            this.Height = 300;
            this.Left = 300;
            this.Top = 300;
            //Thread:线程
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Random a = new Random();//随机色
            for (int i=0;i<5;i++)
            {
                this.Left = 305;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50);
                this.Top = 305;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50);
                this.Left = 300;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50)    ;
                this.Left = 295;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50);
                this.Top = 300;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50);
                this.Top = 295;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50);
                this.Left = 300;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50);
                this.Left = 305;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50);
                this.Top = 300;
                this.BackColor = Color.FromArgb(a.Next(255), a.Next(255), a.Next(255));
                Thread.Sleep(50);
                this.Left = 300;
            }
        }
    }
}