//Download?by?http://www.NewXing.com
using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Drawing;
using?System.Windows.Forms;

namespace?實時曲線繪制
{
????class?draw
????{


????????public?Bitmap?mybitmap;//用于雙緩沖的位圖，和畫布等大

????????Random?rm?=?new?Random（）;//隨機數(shù)產(chǎn)生器


????????public?void?DrawLineS（Color?color?float?Xmax?float?Ymax?PictureBox?picbox?Point[]?ptlist）
????????{
????????????mybitmap?=?new?Bitmap（picbox.Width?picbox.Height）;//設(shè)定位圖大小
????????????Graphics?doublebufferg?=?Graphics.FromImage（mybitmap）;//從位圖上獲取“畫布”
????????????doublebufferg.Clear（Color.White）;//用背景色刷新

????????????//pictureBox1填充為白色，便于顯示圖像??500*300
????????????Rectangle?rect?=?new?Rectangle（0?0?picbox.Width?picbox.Height）;
????????????doublebufferg.FillRectangle（new?SolidBrush（Color.White）?rect）;
???????????
???????????
????????????//畫X和Y軸
????????????DrawXY（ref?doublebufferg?picbox）;
????????????//X軸上的刻度
????????????SetYAxis（ref?doublebufferg?picbox?Ymax）;
????????????//Y軸上的刻度
????????????SetXAxis（ref?doublebufferg?picbox?Xmax）;

????????????//要顯示的實時曲線部分
????????????Point?temp?=?new?Point（）;
????????????for?（int?j?=?0;?j?????????????{
????????????????temp?=?ptlist[j?+?1];
????????????????ptlist[j]?=?new?Point（temp.X?-?5?temp.Y）;
????????????}

????????????Point?lastpt?=?new?Point（）;
????????????lastpt.X?=?picbox.Width;
????????????lastpt.Y?=?rm.Next（DateTime.Now.Millisecond）?%?picbox.Height;
????????????ptlist[picbox.Width/5?-?1]?=?lastpt;
????????????doublebufferg.DrawLines（new?Pen（color?1）?ptlist）;


????????????//將緩沖中的位圖繪制到我們的窗體上
????????????Graphics?g1?=?picbox.CreateGraphics（）;//創(chuàng)建?PictureBox窗體的畫布

????????????g1.Clear（Color.White）;
????????????g1.DrawImage（mybitmap?0?0）;

????????}?


????????//完成X軸和Y軸的基本部分
????????public?void??DrawXY（ref?Graphics?gPictureBox?picbox）
????????{
????????????Pen?pen?=?new?Pen（Color.Black?2）;//畫筆
????????????SolidBrush?sb?=?new?SolidBrush（Color.Black）;//話刷
????????????
????????????//X軸的箭頭，實際上是繪制了一個三角形
????????????Point[]?xpts?=?new?Point[3]?{?
????????????????new?Point（picbox.Width?-?35?picbox.Height?-?32）
????????????????new?Point（picbox.Width?-?35?picbox.Height?-?28）?
????????????????new?Point（picbox.Width?-?30?picbox.Height?-?30）?
????????????????????????????????????????};

????????????g.DrawLine（pen?30?picbox.Height?-?30?picbox.Width?-?30?picbox.Height?-?30）;
????????????g.DrawPolygon（pen?xpts）;
????????????g.DrawString（“X“?new?Font（“宋體“?9）?sb?picbox.Width?-?25?picbox.Height?-?35）;



????????????//Y軸的箭頭，實際上是繪制了一個三角形
????????????Point[]?ypts?=?new?Point[3]?{?
?????????????????????new?Point（28?35）?
?????????????????????new?Point（30?30）?
?????????????????????new?Point（32?35）?};
??????????????
????????????g.DrawLine（pen?30?picbox.Height?-?30?30?30）;
????????????g.DrawPolygon（pen?ypts）;
????????????g.DrawString（“Y“?new?Font（“宋體“?9）?sb?15?30）;
????????
?

?屬性????????????大小?????日期????時間???名稱
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?????文件??????24576??2008-12-09?23:23??實時曲線繪制\bin\Debug\實時曲線繪制.exe

?????文件??????30208??2008-12-09?23:23??實時曲線繪制\bin\Debug\實時曲線繪制.pdb

?????文件???????5632??2005-11-11?22:25??實時曲線繪制\bin\Debug\實時曲線繪制.vshost.exe

?????文件???????5377??2013-01-10?16:19??實時曲線繪制\draw.cs

?????文件???????2116??2013-01-10?16:19??實時曲線繪制\Form1.cs

?????文件???????3064??2013-01-10?16:19??實時曲線繪制\Form1.Designer.cs

?????文件???????6008??2008-12-09?20:24??實時曲線繪制\Form1.resx

?????文件????????842??2008-12-09?20:24??實時曲線繪制\obj\Debug\實時曲線繪制.csproj.GenerateResource.Cache

?????文件??????24576??2008-12-09?23:23??實時曲線繪制\obj\Debug\實時曲線繪制.exe

?????文件????????180??2008-12-09?20:24??實時曲線繪制\obj\Debug\實時曲線繪制.Form1.resources

?????文件??????30208??2008-12-09?23:23??實時曲線繪制\obj\Debug\實時曲線繪制.pdb

?????文件????????180??2008-12-09?20:18??實時曲線繪制\obj\Debug\實時曲線繪制.Properties.Resources.resources

?????文件????????345??2008-12-10?09:08??實時曲線繪制\obj\實時曲線繪制.csproj.FileList.txt

?????文件????????515??2013-01-10?16:19??實時曲線繪制\Program.cs

?????文件???????1246??2013-01-10?16:19??實時曲線繪制\Properties\AssemblyInfo.cs

?????文件???????2928??2013-01-10?16:19??實時曲線繪制\Properties\Resources.Designer.cs

?????文件???????5612??2008-12-09?20:07??實時曲線繪制\Properties\Resources.resx

?????文件???????1139??2013-01-10?16:19??實時曲線繪制\Properties\Settings.Designer.cs

?????文件????????249??2008-12-09?20:07??實時曲線繪制\Properties\Settings.settings

?????文件???????3278??2008-12-09?20:18??實時曲線繪制\實時曲線繪制.csproj

?????文件????????943??2008-12-09?20:07??實時曲線繪制.sln

?????目錄??????????0??2013-01-10?16:27??實時曲線繪制\obj\Debug\TempPE

?????目錄??????????0??2013-01-10?16:27??實時曲線繪制\bin\Debug

?????目錄??????????0??2013-01-10?16:27??實時曲線繪制\obj\Debug

?????目錄??????????0??2013-01-10?16:27??實時曲線繪制\bin

?????目錄??????????0??2013-01-10?16:27??實時曲線繪制\obj

?????目錄??????????0??2013-01-10?16:27??實時曲線繪制\Properties

?????目錄??????????0??2013-01-10?16:27??實時曲線繪制

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???????????????149222????????????????????28

............此處省略1個文件信息