C#编程-129：Graphics对象_彭世瑜_新浪博客
彭世瑜 发布时间：2017-08-19 23:13:20 ，浏览量：1
- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Linq;
- using System.Text;
- using System.Windows.Forms;
-
- namespace GDIPlusTest
- {
- public partial class Form1 : Form
- {
- public Form1()
- {
- InitializeComponent();
- }
-
- private void Form1_Paint(object sender, PaintEventArgs e)
- {
- //创建Graphics对象的三种方式：
- //方式一：
- Graphics g1 = e.Graphics;
-
- //方式二：
- Bitmap img = new Bitmap(200,200);
- Graphics g2 = Graphics.FromImage(img);
-
- //方式三：
- Graphics g3 = this.CreateGraphics();
-
- Pen pen = new Pen(Color.Red,5); //创建画笔
- g3.DrawEllipse(pen,10,80,200,200);//绘制椭圆
- g3.Dispose();//释放画布
- //MessageBox.Show("Graphics对象创建成功");
- }
- }
- }
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