using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Timers;

namespace?MovingBall
{
????class?Ball
????{
????????public?float?x;
????????public?float?y;
????????public?float?vx;
????????public?float?vy;
????????public?int?r;
????????private?int?w;
????????private?int?h;

????????public?Ball（float?x?float?y?float?vx?float?vy）
????????{
????????????this.x?=?x;
????????????this.y?=?y;
????????????this.vx?=?vx;
????????????this.vy?=?vy;
????????????this.r?=?50;
????????????this.w?=?500;
????????????this.h?=?500;
???????}

????????public?void?Move（）//小球運動
????????{
????????????x?+=?vx;
????????????y?+=?vy;
????????????if?（x?>=?w?-?r）
????????????{
????????????????vx?=?-vx;
????????????????x?=?w?-?r;
????????????}
????????????if

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

?????文件???????1148??2012-08-30?12:42??MovingBall\MovingBall\Ball.cs

?????文件???????3898??2012-08-30?12:43??MovingBall\MovingBall\Ballinfo.cs

?????文件??????16837??2010-08-14?16:25??MovingBall\MovingBall\bin\Debug\im.png

?????文件????1442286??2010-08-14?18:13??MovingBall\MovingBall\bin\Debug\imbck.bmp

?????文件??????10752??2012-08-30?12:42??MovingBall\MovingBall\bin\Debug\MovingBall.exe

?????文件??????32256??2012-08-30?12:42??MovingBall\MovingBall\bin\Debug\MovingBall.pdb

?????文件??????14328??2012-08-30?12:43??MovingBall\MovingBall\bin\Debug\MovingBall.vshost.exe

?????文件????????490??2007-07-21?01:33??MovingBall\MovingBall\bin\Debug\MovingBall.vshost.exe.manifest

?????文件????????764??2012-08-25?19:10??MovingBall\MovingBall\Form1.cs

?????文件???????1572??2012-08-21?00:08??MovingBall\MovingBall\Form1.Designer.cs

?????文件???????5814??2012-08-21?00:08??MovingBall\MovingBall\Form1.resx

?????文件???????3461??2012-08-21?00:54??MovingBall\MovingBall\MovingBall.csproj

?????文件???????1162??2012-08-30?12:43??MovingBall\MovingBall\obj\Debug\MovingBall.csproj.FileListAbsolute.txt

?????文件????????847??2012-08-21?00:08??MovingBall\MovingBall\obj\Debug\MovingBall.csproj.GenerateResource.Cache

?????文件??????10752??2012-08-30?12:42??MovingBall\MovingBall\obj\Debug\MovingBall.exe

?????文件????????180??2012-08-21?00:54??MovingBall\MovingBall\obj\Debug\MovingBall.Form1.resources

?????文件??????32256??2012-08-30?12:42??MovingBall\MovingBall\obj\Debug\MovingBall.pdb

?????文件????????180??2012-08-21?00:54??MovingBall\MovingBall\obj\Debug\MovingBall.Properties.Resources.resources

?????文件????????471??2012-08-20?21:41??MovingBall\MovingBall\Program.cs

?????文件???????1362??2012-08-20?21:41??MovingBall\MovingBall\Properties\AssemblyInfo.cs

?????文件???????2870??2012-08-20?21:41??MovingBall\MovingBall\Properties\Resources.Designer.cs

?????文件???????5612??2012-08-20?21:41??MovingBall\MovingBall\Properties\Resources.resx

?????文件???????1095??2012-08-20?21:41??MovingBall\MovingBall\Properties\Settings.Designer.cs

?????文件????????249??2012-08-20?21:41??MovingBall\MovingBall\Properties\Settings.settings

?????文件????????920??2012-08-20?21:42??MovingBall\MovingBall.sln

????..A..H.?????16384??2012-08-30?12:43??MovingBall\MovingBall.suo

?????目錄??????????0??2012-08-25?18:32??MovingBall\MovingBall\obj\Debug\Refactor

?????目錄??????????0??2012-08-20?21:41??MovingBall\MovingBall\obj\Debug\TempPE

?????目錄??????????0??2012-08-20?22:41??MovingBall\MovingBall\bin\Debug

?????目錄??????????0??2012-08-30?12:42??MovingBall\MovingBall\obj\Debug

............此處省略8個文件信息