using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace advanced_drawing
{
  public partial class Form18 : Form
  {
    public Form18()
    {
      InitializeComponent();
      //激活默认双缓冲技术方法一：
      //this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
      //this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
      //激活默认双缓冲技术方法二：
      base.DoubleBuffered = true;
    }
  }
}