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;
using?System.Collections;
using?CC;

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

????????private?Graphics?g?=?null;
????????private?Pen?pen?=?new?Pen（Color.Black?1）;
????????private?Brush?brush?=?Brushes.Red;
????????private?ArrayList?list?=?new?ArrayList（）;//記錄點(diǎn)的數(shù)組
?????????private?ArrayList?linelist?=?new?ArrayList（）;


????????public?float?Angle（Point?cen?Point?first?Point?second）//三個(gè)點(diǎn)形成的三角形，CEN為頂點(diǎn)對(duì)應(yīng)的夾角
????????{
????????????float?dx1?dx2?dy1?dy2;
????????????float?angle;
????????????dx1?=?first.X?-?cen.X;
????????????dy1?=?first.Y?-?cen.Y;
????????????dx2?=?second.X?-?cen.X;
????????????dy2?=?second.Y?-?cen.Y;
????????????float?c?=?（float）Math.Sqrt（dx1?*?dx1?+?dy1?*?dy1）?*?（float）Math.Sqrt（dx2?*?dx2?+?dy2?*?dy2）;
????????????if?（c?==?0）?return?-1;
????????????angle?=?（float）Math.Acos（（dx1?*?dx2?+?dy1?*?dy2）?/?c）;
????????????return?angle;
????????}

????????public?double?Distance（Point?first?Point?second）//兩點(diǎn)距離
????????{
????????????double?dis;
????????????dis?=?Math.Sqrt（（second.Y?-?first.Y）?*?（second.Y?-?first.Y）?+?（second.X?-?first.X）?*?（second.X?-?first.X））;
????????????return?dis;
????????}
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????????double?angle1;
????????????????this.Refresh（）;
????????????????ArrayList?tinline?=?new?ArrayList（）;
????????????????//定義與第一點(diǎn)最近的點(diǎn)
????????????????double?mindis?=?Distance（（Point）list[0]?（Point）list[1]）;
????????????????double?dis;
????????????????int?count?=?0;
????????????????int?count1?=?0;
????????????????int?count2?=?0;
????????????????Line?tl?=?new?Line（）;
????????????????for?（int?j=0;?j?????????????????{
????????????????????for?（int?i?=?j+1;?i?????????????????????{
????????????????????????dis?=?Distance（（Point）list[0]?（Point）list[i]）;
????????????????????????if?（dis?????????????????????????{
????????????????????????????mindis?=?dis;
????????????????????????????count1?=?j;
????????????????????????????count2?=?i;
????????????????????????}
????????????????????}
????????????????}
????????????????//將第一條邊反向以進(jìn)行三角形擴(kuò)展
????????????????tl.Begin?=?（Point）list[count1];
????????????????tl.End?=?（Point）list[count2];
????????????????tinline.Add（tl）;
????????????????Line?line?=?new?Line（）;
????????????????Point?a?=?（（Line）tinline[0]）.Begin;
????????????????Point?b?=?（（Line）tinline[0]）.End;
????????????????line.Begin?=?b;
????????????????line.End?=?a;
????????????????tinline.Add（line）;

????????????????//對(duì)每一條邊進(jìn)行擴(kuò)展

????????????????for?（int?j?=?0;?j?????????????????{
????????????????????double?t?=?-1;
??

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件??????11776??2012-12-16?16:01??DTIN\DTIN\bin\Debug\DTIN.exe

?????文件??????30208??2012-12-16?16:01??DTIN\DTIN\bin\Debug\DTIN.pdb

?????文件??????14328??2012-12-18?15:06??DTIN\DTIN\bin\Debug\DTIN.vshost.exe

?????文件????????490??2009-06-11?05:14??DTIN\DTIN\bin\Debug\DTIN.vshost.exe.manifest

?????文件???????3789??2012-12-16?13:52??DTIN\DTIN\DTIN.csproj

?????文件???????9192??2012-12-16?16:01??DTIN\DTIN\Form1.cs

?????文件???????2953??2012-12-16?16:01??DTIN\DTIN\Form1.Designer.cs

?????文件???????5814??2012-12-16?16:01??DTIN\DTIN\Form1.resx

?????文件????????374??2012-12-16?13:38??DTIN\DTIN\Line.cs

?????文件????????767??2012-12-18?15:06??DTIN\DTIN\obj\Debug\DTIN.csproj.FileListAbsolute.txt

?????文件????????847??2012-12-16?16:01??DTIN\DTIN\obj\Debug\DTIN.csproj.GenerateResource.Cache

?????文件??????11776??2012-12-16?16:01??DTIN\DTIN\obj\Debug\DTIN.exe

?????文件????????180??2012-12-16?16:01??DTIN\DTIN\obj\Debug\DTIN.Form1.resources

?????文件??????30208??2012-12-16?16:01??DTIN\DTIN\obj\Debug\DTIN.pdb

?????文件????????180??2012-12-16?13:52??DTIN\DTIN\obj\Debug\DTIN.Properties.Resources.resources

?????文件????????508??2012-12-16?14:24??DTIN\DTIN\Program.cs

?????文件???????1340??2012-12-16?13:26??DTIN\DTIN\Properties\AssemblyInfo.cs

?????文件???????2858??2012-12-16?13:26??DTIN\DTIN\Properties\Resources.Designer.cs

?????文件???????5612??2012-12-16?13:26??DTIN\DTIN\Properties\Resources.resx

?????文件???????1089??2012-12-16?13:26??DTIN\DTIN\Properties\Settings.Designer.cs

?????文件????????249??2012-12-16?13:26??DTIN\DTIN\Properties\Settings.settings

?????文件????????902??2012-12-16?13:26??DTIN\DTIN.sln

????..A..H.?????16384??2012-12-18?15:23??DTIN\DTIN.suo

?????目錄??????????0??2012-12-16?13:33??DTIN\DTIN\obj\Debug\Refactor

?????目錄??????????0??2012-12-16?13:26??DTIN\DTIN\obj\Debug\TempPE

?????目錄??????????0??2013-02-25?16:11??DTIN\DTIN\bin\Debug

?????目錄??????????0??2013-02-25?16:11??DTIN\DTIN\obj\Debug

?????目錄??????????0??2013-02-25?16:11??DTIN\DTIN\bin

?????目錄??????????0??2013-02-25?16:11??DTIN\DTIN\obj

?????目錄??????????0??2013-02-25?16:11??DTIN\DTIN\Properties

............此處省略5個(gè)文件信息