编织梦想

<br />当我们在一个windows窗体作图，在窗体的构造函数中写如下代码<br />public Form1() { InitializeComponent(); Graphics g = this.CreateGraphics(); this.Show(); Pen p1 = new Pen(Color.Blue); g.DrawEllipse(p1,

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Collections; using System.Drawing; using System.Drawing.Drawing2D; using Sys