using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
//using?System.Timers;


namespace?TestDemo
{
????public?partial?class?Form1?:?Form
????{

????????//public?float?sasa?=?500?;

????????static?private?float?phase?=?0;
????????private?System.Windows.Forms.Timer?timer;

????????private?Color?colorxx?=?Color.Yellow;

????????private?int?m?=?0;

????????private?bool?flag?=?true;

????????private?float?f0?=?500;

????????private?float?fs?=?48000;

????????public?float?f2?{?get;?set;?}
????????public?float?fs2?{?get;?set;?}

???????
????????public?Form1（）
????????{
????????????this.f2?=?500;
????????????this.fs2?=?48000;

????????????InitializeComponent（）;

????????????timer?=?new?System.Windows.Forms.Timer（）;
????????????timer.Interval?=?500;
????????????timer.Tick?+=?new?EventHandler（timer_Tick）;

????????????timer.Start（）;
????????????timer1.Stop（）;
??????????//??timer.Stop（）;
????????}

????????private?void?timer_Tick（object?sender?EventArgs?e）
????????{
????????????int?i?=?0;
????????????pictureBox1.Invalidate（）;
????????}

????????private?void?pictureBox1_Paint（object?sender?PaintEventArgs?e）
????????{
????????????Graphics?g?=?e.Graphics;
????????????Pen?pn?=?new?Pen（colorxx2）;
????????????//float[]?xx?=?new?float[];
??????????//??float?xx??=?0;
??????????//??float?xx1?=?0;

??????????//?PointF[]?xy?=?new?PointF[];
?????????//???List?xy0=?null;


????????????PointF[]?p?=?new?PointF[490];
????????????
????????????List?xy?=?new?List（）;

????????????f0?=?this.f2;
????????????fs?=?this.fs2;
????????????float?step?=?（float）（2.0?*?3.1415926535897?*?f0/?fs）;?

????????????for?（int?i?=?0;?i?????????????{
????????????????phase?=?phase?+?step;
???????????????//?p[i].X?=?i?+?30;
????????????????//p[i].Y?=?Convert.ToSingle（210?/?2?*?（1?-?Math.Sin（2?*?i?*?Math.PI?/?30）））;
???????????????

????????????????if?（phase?????????????????{
????????????????????phase?=?phase?+?Convert.ToSingle（?2?*?Math.PI）;
????????????????}

????????????????if?（phase?????????????????{

????????????????????phase?=?phase?-?Convert.ToSingle（2?*?Math.PI）;
????????????????}

????????????????p[i].X?=?i;
????????????????p[i].Y?=?100?*?（float）Math.Sin（phase）?+?100;
????????????????
????????????}

????????????for?（int?j?=?0;?j?????????????????g.DrawLine（new?Pen（Color.Gray?1）?0?j?*?7?500?j?*?7）;

????????????for?（int?j?=?0;?j?????????????????g.DrawLine（new?Pen（Color.Gray?2）?j?*?20?0?j?*?20?200）;


????????????g.DrawLine（new?Pen（Color.Blue5）0100500100）;
????????????g.DrawLine（new?Pen（Color.Blue5）000200）;
????????????g.DrawLines（pnp）;

?????
????????????????m++;

??????????}

????????private?void?button1_Cli

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-08-08?07:54??TestDemo\
?????目錄???????????0??2015-08-09?14:22??TestDemo\TestDemo\
?????文件?????????914??2015-08-08?07:54??TestDemo\TestDemo.sln
?????文件???????40448??2015-08-11?21:33??TestDemo\TestDemo.v11.suo
?????文件?????????187??2015-08-08?07:54??TestDemo\TestDemo\App.config
?????目錄???????????0??2015-08-08?07:54??TestDemo\TestDemo\bin\
?????目錄???????????0??2015-08-08?08:02??TestDemo\TestDemo\bin\Debug\
?????文件???????15872??2015-08-11?21:33??TestDemo\TestDemo\bin\Debug\TestDemo.exe
?????文件?????????187??2015-08-08?07:54??TestDemo\TestDemo\bin\Debug\TestDemo.exe.config
?????文件???????34304??2015-08-11?21:33??TestDemo\TestDemo\bin\Debug\TestDemo.pdb
?????文件???????22984??2015-08-11?21:33??TestDemo\TestDemo\bin\Debug\TestDemo.vshost.exe
?????文件?????????187??2015-08-08?07:54??TestDemo\TestDemo\bin\Debug\TestDemo.vshost.exe.config
?????文件?????????490??2012-06-06?02:06??TestDemo\TestDemo\bin\Debug\TestDemo.vshost.exe.manifest
?????文件????????5303??2015-08-10?00:43??TestDemo\TestDemo\Form1.cs
?????文件????????4852??2015-08-10?00:40??TestDemo\TestDemo\Form1.Designer.cs
?????文件????????6211??2015-08-10?00:40??TestDemo\TestDemo\Form1.resx
?????文件????????2854??2015-08-10?00:21??TestDemo\TestDemo\Form2.cs
?????文件????????9470??2015-08-10?00:09??TestDemo\TestDemo\Form2.Designer.cs
?????文件????????5817??2015-08-10?00:07??TestDemo\TestDemo\Form2.resx
?????目錄???????????0??2015-08-08?07:54??TestDemo\TestDemo\obj\
?????目錄???????????0??2015-08-11?21:33??TestDemo\TestDemo\obj\Debug\
?????文件????????1278??2015-08-09?08:48??TestDemo\TestDemo\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6867??2015-08-09?14:22??TestDemo\TestDemo\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2015-08-08?07:54??TestDemo\TestDemo\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2015-08-08?07:54??TestDemo\TestDemo\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2015-08-08?07:54??TestDemo\TestDemo\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????目錄???????????0??2015-08-08?07:54??TestDemo\TestDemo\obj\Debug\TempPE\
?????文件?????????727??2015-08-11?21:33??TestDemo\TestDemo\obj\Debug\TestDemo.csproj.FileListAbsolute.txt
?????文件????????1033??2015-08-10?00:40??TestDemo\TestDemo\obj\Debug\TestDemo.csproj.GenerateResource.Cache
?????文件????????2143??2015-08-08?08:02??TestDemo\TestDemo\obj\Debug\TestDemo.csprojResolveAssemblyReference.cache
?????文件???????15872??2015-08-11?21:33??TestDemo\TestDemo\obj\Debug\TestDemo.exe
............此處省略12個文件信息