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

namespace?DDA
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????Graphics?g?=?this.pictureBox1.CreateGraphics（）;
????????????Pen?b1?=?new?Pen（Color.Blue）;
????????????int?x1=int.Parse?（textBox1.Text）;
????????????int?y1=int.Parse?（textBox2.Text）;
????????????int?x2=int.Parse?（textBox3.Text）;
????????????int?y2=int.Parse?（textBox4.Text）;
????????;
????????????int?x;
????????????float?y?=y1;
????????????for?（x?=?x1;?x?????????????{
????????????????g.DrawEllipse（b1x（int）?（y+0.5）11）;
????????????????y?=?y+（float）（（y2-y1）/（x2-x1））;
????????????}
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????this.pictureBox1.Image=null;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{

????????}

?????
????}
}

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

?????文件???????5612??2010-11-18?15:45??DDA\DDA\Properties\Resources.resx

?????文件????????249??2010-11-18?15:45??DDA\DDA\Properties\Settings.settings

?????文件???????1178??2010-11-18?15:45??DDA\DDA\Properties\AssemblyInfo.cs

?????文件???????2860??2010-11-18?15:45??DDA\DDA\Properties\Resources.Designer.cs

?????文件???????1086??2010-11-18?15:45??DDA\DDA\Properties\Settings.Designer.cs

?????文件???????3213??2010-11-18?16:31??DDA\DDA\DDA.csproj

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

?????文件??????20480??2010-11-18?16:24??DDA\DDA\bin\Debug\DDA.exe

?????文件??????24064??2010-11-18?16:24??DDA\DDA\bin\Debug\DDA.pdb

?????文件????????180??2010-11-18?16:24??DDA\DDA\obj\Debug\DDA.Form1.resources

?????文件????????180??2010-11-18?15:58??DDA\DDA\obj\Debug\DDA.Properties.Resources.resources

?????文件??????20480??2010-11-18?16:24??DDA\DDA\obj\Debug\DDA.exe

?????文件??????24064??2010-11-18?16:24??DDA\DDA\obj\Debug\DDA.pdb

?????文件????????842??2010-11-18?16:24??DDA\DDA\obj\Debug\DDA.csproj.GenerateResource.Cache

?????文件????????240??2010-11-18?16:38??DDA\DDA\obj\DDA.csproj.FileList.txt

?????文件????????462??2010-11-18?15:45??DDA\DDA\Program.cs

?????文件???????1168??2010-11-18?16:39??DDA\DDA\Form1.cs

?????文件???????8688??2010-11-18?16:39??DDA\DDA\Form1.Designer.cs

?????文件???????5814??2010-11-18?16:39??DDA\DDA\Form1.resx

?????文件????????898??2010-11-18?15:45??DDA\DDA.sln

????..A..H.?????12800??2010-11-18?16:40??DDA\DDA.suo

?????目錄??????????0??2010-11-18?15:45??DDA\DDA\obj\Debug\TempPE

?????目錄??????????0??2010-11-18?15:45??DDA\DDA\bin\Debug

?????目錄??????????0??2010-11-18?15:45??DDA\DDA\obj\Debug

?????目錄??????????0??2010-11-18?15:45??DDA\DDA\Properties

?????目錄??????????0??2010-11-18?15:45??DDA\DDA\bin

?????目錄??????????0??2010-11-18?15:45??DDA\DDA\obj

?????目錄??????????0??2010-11-18?15:45??DDA\DDA

?????目錄??????????0??2010-11-18?15:45??DDA

-----------?---------??----------?-----??----

............此處省略2個文件信息