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.IO.Ports;
namespace?WindowsFormsApplication_serialport_no1
{
????public?partial?class?Form1?:?Form
????{
????????double?tt?=?0;
????????int?time_table?=?0;
????????int?timer?=?0;
????????public?int?dian_number?=?0;
????????double?num;
????????public?string?data;
????????public?short?qtemp;
????????public?int?x?=?0;
????????public?string?lastport?=?“COM1“;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????comboBox_COM.Items.AddRange（SerialPort.GetPortNames（））;
????????????serialPort1.PortName?=?lastport?;
????????????serialPort1.BaudRate?=?9600;
????????????serialPort1.DataBits?=?7;
????????????serialPort1.Close（）;
???????????
????????}

????????private?void?timer1_Tick（object?sender?EventArgs?e）
????????{
????????????if?（serialPort1.IsOpen?==?true）
????????????{
????????????????try
????????????????{

????????????????????string?data;
????????????????????string?stri;
????????????????????data?=?serialPort1.ReadExisting（）;
????????????????????int?len?=?data.Length;
????????????????????for?（int?m?=?0;?m?????????????????????{
????????????????????????try
????????????????????????{
????????????????????????????stri?=?data.Substring（m?*?7?len?-?1-m*7）;
????????????????????????????int?i?=?stri.IndexOf（“A“）?+?1;
????????????????????????????int?j?=?stri.IndexOf（“B“）;
????????????????????????????if?（i?????????????????????????????{
????????????????????????????????try
????????????????????????????????{
????????????????????????????????????string?str?=?stri.Substring（i?j?-?i）;
????????????????????????????????????num?=?double.Parse（str）;
????????????????????????????????????//???if（dianya[dian_number]!=null）
????????????????????????????????????//???????dianya[dian_number]?=?num;
????????????????????????????????????dian_number++;
????????????????????????????????????time_table++;
????????????????????????????????????this.Invoke（new?EventHandler（huatu））;
????????????????????????????????}
????????????????????????????????catch
????????????????????????????????{
????????????????????????????????}

????????????????????????????}
????????????????????????}
????????????????????????catch
????????????????????????{?
????????????????????????}
????????????????????}

????????????????}


????????????????catch
????????????????{

????????????????}
????????????}
????????????/*
????????????char[]?str?=?{?（char）2?（char）48?（char）49?（char）67?（char）56?（char）48?（char）50?（char）3?（char）55?（char）49?};
????????????string?str1?=?str[0].ToString（）?+?str[1].ToString（）?+?str[2].ToString（）?+?str[3].ToString（）?+?str[4].ToString（）?+?str[5].ToString（）?+?str[6]

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-05-22?22:48??c#?串口通信顯示心電波形\
?????目錄???????????0??2016-05-22?22:48??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\
?????文件?????????187??2015-01-20?09:43??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\App.config
?????文件???????14659??2015-05-01?16:12??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Form1.Designer.cs
?????文件????????8176??2015-05-01?16:20??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Form1.cs
?????文件??????470676??2015-05-01?16:20??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Form1.resx
?????文件?????????550??2015-01-20?09:49??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Program.cs
?????目錄???????????0??2016-05-22?22:48??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Properties\
?????文件????????1396??2015-01-20?09:43??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Properties\AssemblyInfo.cs
?????文件????????2928??2015-01-20?09:44??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Properties\Resources.Designer.cs
?????文件????????5612??2015-01-20?09:43??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Properties\Resources.resx
?????文件????????1125??2015-01-20?09:44??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Properties\Settings.Designer.cs
?????文件?????????249??2015-01-20?09:43??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\Properties\Settings.settings
?????文件????????3923??2015-04-30?20:34??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\WindowsFormsApplication_serialport_no1.csproj
?????目錄???????????0??2016-05-22?22:48??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\bin\
?????目錄???????????0??2016-05-22?22:48??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\bin\Debug\
?????文件??????327168??2016-05-22?22:56??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\bin\Debug\WindowsFormsApplication_serialport_no1.exe
?????文件?????????187??2015-01-20?09:43??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\bin\Debug\WindowsFormsApplication_serialport_no1.exe.config
?????文件???????75264??2016-05-22?22:56??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\bin\Debug\WindowsFormsApplication_serialport_no1.pdb
?????文件???????22984??2016-05-22?22:57??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\bin\Debug\WindowsFormsApplication_serialport_no1.vshost.exe
?????文件?????????187??2015-01-20?09:43??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\bin\Debug\WindowsFormsApplication_serialport_no1.vshost.exe.config
?????文件?????????490??2010-03-17?22:39??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\bin\Debug\WindowsFormsApplication_serialport_no1.vshost.exe.manifest
?????目錄???????????0??2016-05-22?22:48??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\
?????目錄???????????0??2016-05-22?22:56??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\Debug\
?????文件????????1481??2015-04-30?20:28??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7352??2016-05-22?22:56??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2016-05-23?09:47??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\Debug\TempPE\
?????文件???????????0??2015-01-20?09:44??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2015-01-20?09:44??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2015-01-20?09:44??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????文件??????309892??2015-05-01?16:20??c#?串口通信顯示心電波形\WindowsFormsApplication_serialport_no1\obj\Debug\WindowsFormsApplication_serialport_no1.Form1.resources
............此處省略9個文件信息