摘要： 下面显示的是效果图：然后是代码，其中有一些解释：using System;using System.Collections.Generic;using System.ComponentModel;using System.Diagnostics;using System.Text;using System.Windows.Forms;using System.Drawing;using System.Drawing.Drawing2D;namespace scyGroupBox{ public partial class scyGroupBox : GroupBox { private Gra 阅读全文