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?Paint
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????bool?allowMouseMove?=?false;
????????bool?allowPaint?=?false;
????????Point?startPoint;
????????Point?endPoint;
????????Graphics?g;
????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????g?=?this.CreateGraphics（）;
????????}
????????private?void?畫橢圓ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????allowMouseMove?=?true;
????????}

????????private?void?Form1_MouseDown（object?sender?MouseEventArgs?e）
????????{
????????????allowPaint?=?true;
????????????startPoint?=?new?Point（e.Xe.Y）;

????????}

????????private?void?Form1_MouseMove（object?sender?MouseEventArgs?e）
????????{
????????????if?（allowMouseMove）
????????????{
????????????????endPoint=new?Point（e.Xe.Y）;
????????????????if?（allowPaint）
????????????????{
????????????????????this.Refresh（）;
????????????????????g.DrawEllipse（new?Pen（Color.Black1）startPoint.XstartPoint.YendPoint.X-startPoint.XendPoint.Y-startPoint.Y）;
????????????????}
????????????}
????????}

????????private?void?Form1_MouseUp（object?sender?MouseEventArgs?e）
????????{
????????????allowPaint?=?false;
????????}

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

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

?????文件???????9216??2012-04-10?22:33??MousePaint\Paint\Paint\bin\Debug\Paint.exe

?????文件??????24064??2012-04-10?22:33??MousePaint\Paint\Paint\bin\Debug\Paint.pdb

?????文件??????11600??2012-04-10?22:33??MousePaint\Paint\Paint\bin\Debug\Paint.vshost.exe

?????文件????????490??2010-03-17?22:39??MousePaint\Paint\Paint\bin\Debug\Paint.vshost.exe.manifest

?????文件???????1523??2012-04-10?22:33??MousePaint\Paint\Paint\Form1.cs

?????文件???????3254??2012-04-10?22:28??MousePaint\Paint\Paint\Form1.Designer.cs

?????文件???????6015??2012-04-10?22:28??MousePaint\Paint\Paint\Form1.resx

?????文件???????2152??2012-04-10?22:24??MousePaint\Paint\Paint\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6196??2012-04-10?22:33??MousePaint\Paint\Paint\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????184??2012-04-10?22:32??MousePaint\Paint\Paint\obj\x86\Debug\GenerateResource.read.1.tlog

?????文件????????458??2012-04-10?22:32??MousePaint\Paint\Paint\obj\x86\Debug\GenerateResource.write.1.tlog

?????文件????????613??2012-04-10?22:33??MousePaint\Paint\Paint\obj\x86\Debug\Paint.csproj.FileListAbsolute.txt

?????文件???????9216??2012-04-10?22:33??MousePaint\Paint\Paint\obj\x86\Debug\Paint.exe

?????文件????????180??2012-04-10?22:32??MousePaint\Paint\Paint\obj\x86\Debug\Paint.Form1.resources

?????文件??????24064??2012-04-10?22:33??MousePaint\Paint\Paint\obj\x86\Debug\Paint.pdb

?????文件????????180??2012-04-10?22:32??MousePaint\Paint\Paint\obj\x86\Debug\Paint.Properties.Resources.resources

?????文件???????3669??2012-04-10?22:25??MousePaint\Paint\Paint\Paint.csproj

?????文件????????497??2012-04-10?22:24??MousePaint\Paint\Paint\Program.cs

?????文件???????1440??2012-04-10?22:24??MousePaint\Paint\Paint\Properties\AssemblyInfo.cs

?????文件???????2838??2012-04-10?22:24??MousePaint\Paint\Paint\Properties\Resources.Designer.cs

?????文件???????5612??2012-04-10?22:24??MousePaint\Paint\Paint\Properties\Resources.resx

?????文件???????1090??2012-04-10?22:24??MousePaint\Paint\Paint\Properties\Settings.Designer.cs

?????文件????????249??2012-04-10?22:24??MousePaint\Paint\Paint\Properties\Settings.settings

?????文件????????857??2012-04-10?22:24??MousePaint\Paint\Paint.sln

????..A..H.?????26112??2012-04-10?22:33??MousePaint\Paint\Paint.suo

?????文件??????10240??2012-04-10?22:47??MousePaint\Paint?and?Save\Paint\bin\Debug\Paint.exe

?????文件??????34304??2012-04-10?22:47??MousePaint\Paint?and?Save\Paint\bin\Debug\Paint.pdb

?????文件??????11600??2012-04-10?22:47??MousePaint\Paint?and?Save\Paint\bin\Debug\Paint.vshost.exe

?????文件????????490??2010-03-17?22:39??MousePaint\Paint?and?Save\Paint\bin\Debug\Paint.vshost.exe.manifest

?????文件????????528??2012-04-10?22:42??MousePaint\Paint?and?Save\Paint\ellipse.cs

............此處省略43個文件信息