using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Drawing;
using?System.Data;
using?System.Text;
using?System.Windows.Forms;
using?System.Drawing.Drawing2D;

namespace?MyControl
{
????public?partial?class?EllipseButton?:?UserControl
????{
????????public?EllipseButton（）
????????{
????????????InitializeComponent（）;

????????}
????????private?string?text;
??????
????????public?override?string?Text
????????{
????????????get?{?return?text;?}
????????????set?{?text?=?value;?}
????????}
???????
????????protected?override?void?OnPaint（PaintEventArgs?e）
????????{
????????????
????????????Color?BorderColor?=?Color.Black;
????????????Graphics?g?=?e.Graphics;
?
????????????Rectangle?rc?=?new?Rectangle（0?0?this.ClientSize.Width?this.ClientSize.Height）;

????????????GraphicsPath?path1?=?new?GraphicsPath（）;

????????????path1.AddEllipse（0?0?this.ClientSize.Width?this.ClientSize.Height）;

????????????Brush?br1?=?new?SolidBrush（this.BackColor）;????????
????????????g.FillPath（br1?path1）;//繪制按鈕???????????
????????????Region?rgn?=?new?Region（path1）;?//將region賦值給button
????????
????????????this.Region?=?rgn;
????????????if?（this.Text?!=?null）??//?繪制文本?
????????????{
????????????????using?（StringFormat?f?=?new?StringFormat（））
????????????????{
????????????????????
????????????????????f.Alignment?=?System.Drawing.StringAlignment.Center;//?水平居中對齊?
????????????????????f.LineAlignment?=?System.Drawing.StringAlignment.Center;???//?垂直居中對齊?
????????????????????f.FormatFlags?=?System.Drawing.StringFormatFlags.NoWrap;//?設置為單行文本?
????????????????????SolidBrush?fb?=?new?SolidBrush（this.ForeColor）;?//?繪制文本?
????????????????????e.Graphics.DrawString（this.Text?this.Font?fb?new?System.Drawing.RectangleF（0?0?this.ClientSize.Width?this.ClientSize.Height）?f）;
????????????????}
????????????}

????????}
?????
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????20480??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\bin\Debug\WindowsApplication1.exe

?????文件??????30208??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\bin\Debug\WindowsApplication1.pdb

?????文件???????5632??2005-11-11?22:25??WindowsApplication1\WindowsApplication1\bin\Debug\WindowsApplication1.vshost.exe

?????文件???????1994??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\EllipseButton.cs

?????文件???????1223??2012-07-31?12:32??WindowsApplication1\WindowsApplication1\EllipseButton.Designer.cs

?????文件????????626??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\Form1.cs

?????文件???????1996??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\Form1.Designer.cs

?????文件???????5814??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\Form1.resx

?????文件????????842??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.csproj.GenerateResource.Cache

?????文件??????20480??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.exe

?????文件????????180??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.Form1.resources

?????文件??????30208??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.pdb

?????文件????????180??2012-07-31?12:31??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.Properties.Resources.resources

?????文件???????1024??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\obj\WindowsApplication1.csproj.FileListAbsolute.txt

?????文件????????478??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\Program.cs

?????文件???????1194??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\Properties\AssemblyInfo.cs

?????文件???????2894??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\Properties\Resources.Designer.cs

?????文件???????5612??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\Properties\Resources.resx

?????文件???????1104??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\Properties\Settings.Designer.cs

?????文件????????249??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\Properties\Settings.settings

?????文件???????3463??2012-07-31?12:31??WindowsApplication1\WindowsApplication1\WindowsApplication1.csproj

?????文件????????946??2012-07-31?12:28??WindowsApplication1\WindowsApplication1.sln

????..A..H.?????20992??2012-07-31?12:41??WindowsApplication1\WindowsApplication1.suo

?????目錄??????????0??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\obj\Debug\TempPE

?????目錄??????????0??2012-07-31?12:33??WindowsApplication1\WindowsApplication1\bin\Debug

?????目錄??????????0??2012-07-31?12:41??WindowsApplication1\WindowsApplication1\obj\Debug

?????目錄??????????0??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\bin

?????目錄??????????0??2012-07-31?12:31??WindowsApplication1\WindowsApplication1\obj

?????目錄??????????0??2012-07-31?12:28??WindowsApplication1\WindowsApplication1\Properties

?????目錄??????????0??2012-07-31?12:41??WindowsApplication1\WindowsApplication1

............此處省略4個文件信息