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


namespace?RS232
{
????public?partial?class?fclsRS232Tester?:?Form
????{
????????string?InputData?=?String.Empty;
????????
????????//?This?delegate?enables?asynchronous?calls?for?setting
????????//?the?text?property?on?a?TextBox?control:
????????delegate?void?SetTextCallback（string?text）;
?
????????public?fclsRS232Tester（）
????????{
????????????InitializeComponent（）;

????????????//?Nice?methods?to?browse?all?available?ports:
????????????string[]?ports?=?SerialPort.GetPortNames（）;

????????????//?Add?all?port?names?to?the?combo?box:
????????????foreach?（string?port?in?ports）
????????????{
????????????????cmbComSelect.Items.Add（port）;
????????????}
????????????comboBox1.SelectedIndex?=?1;
????????}

????????private?void?cmbComSelect_SelectionchangeCommitted（object?sender?EventArgs?e）
????????{?
????????????
????????????if?（port.IsOpen）?port.Close（）;
????????????port.PortName?=?cmbComSelect.SelectedItem.ToString（）;??
????????????port.BaudRate?=?int.Parse（comboBox1.SelectedItem.ToString（））;

?????????????

????????????port.Parity?=?Parity.None;
????????????port.DataBits?=?8;
????????????port.StopBits?=?StopBits.One;

????????????//?try?to?open?the?selected?port:
????????????try
????????????{
????????????????port.Open（）;
????????????}
????????????//?give?a?message?if?the?port?is?not?available:
????????????catch
????????????{
????????????????MessageBox.Show（“Serial?port?“?+?port.PortName?+?“?cannot?be?opened!“?“RS232?tester“?MessageBoxButtons.OK?MessageBoxIcon.Warning）;
????????????????cmbComSelect.SelectedText?=?““;
????????????????stsStatus.Text?=?“Select?serial?port!“;
????????????}
????????}

????????private?void?btnSend_Click（object?sender?EventArgs?e）
????????{?????????
????????????if?（port.IsOpen）?port.Write（txtOut.Text）;??
????????????else?MessageBox.Show（“Serial?port?is?closed!“?“RS232?tester“?MessageBoxButtons.OK?MessageBoxIcon.Error）;
????????????txtOut.Clear（）;
????????}

????????private?void?btnClear_Click（object?sender?EventArgs?e）
????????{
????????????txtIn.Clear（）;
????????}

????????private?void?port_DataReceived_1（object?sender?SerialDataReceivedEventArgs?e）
????????{?
????????????InputData?=?port.ReadExisting（）;

????????????MessageBox.Show（InputData）;

????????????if?（InputData?!=?String.Empty）
????????????{
?//?????????????txtIn.Text?=?InputData;???//?because?of?different?threads?this?does?not?work?properly?!!
????????????????SetText（InputData）;
????????????}
????????}?

????????private?void?SetText（string?text）
????????{
????????????//?InvokeRequired?required?compares?the?thread?ID?of?the
????????????//?calling?thread?to?the?thread?ID?of?the?creating?thread.
????????????//?If?these?threads?are?different?it?returns?true.
????????????if?（this.

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

?????文件??????12800??2009-02-24?13:44??RS232\bin\Debug\RS232.exe

?????文件??????26112??2009-02-24?13:44??RS232\bin\Debug\RS232.pdb

?????文件??????11771??2008-07-17?17:08??RS232\bin\Debug\rs232.rar

?????文件??????14328??2009-03-20?15:55??RS232\bin\Debug\RS232.vshost.exe

?????文件??????24576??2007-01-22?14:33??RS232\bin\Release\RS232.exe

?????文件???????5632??2005-09-23?06:56??RS232\bin\Release\RS232.vshost.exe

?????文件???????1154??2007-11-07?21:50??RS232\ClassDiagram1.cd

?????文件???????3550??2009-02-24?13:44??RS232\Form1.cs

?????文件???????9969??2008-07-17?16:56??RS232\Form1.Designer.cs

?????文件???????6207??2008-07-17?16:56??RS232\Form1.resx

?????文件????????847??2009-02-24?13:44??RS232\obj\Debug\RS232.csproj.GenerateResource.Cache

?????文件??????12800??2009-02-24?13:44??RS232\obj\Debug\RS232.exe

?????文件????????180??2008-11-27?12:08??RS232\obj\Debug\RS232.fclsRS232Tester.resources

?????文件??????26112??2009-02-24?13:44??RS232\obj\Debug\RS232.pdb

?????文件????????180??2008-11-27?12:08??RS232\obj\Debug\RS232.Properties.Resources.resources

?????文件????????264??2008-04-04?23:25??RS232\obj\RS232.csproj.FileList.txt

?????文件???????1504??2008-07-17?17:08??RS232\obj\RS232.csproj.FileListAbsolute.txt

?????文件????????482??2007-01-09?11:09??RS232\Program.cs

?????文件???????1288??2007-11-08?14:05??RS232\Properties\AssemblyInfo.cs

?????文件???????2834??2008-11-27?12:07??RS232\Properties\Resources.Designer.cs

?????文件???????5612??2007-01-09?11:08??RS232\Properties\Resources.resx

?????文件???????1103??2008-11-27?12:07??RS232\Properties\Settings.Designer.cs

?????文件????????249??2007-01-09?11:08??RS232\Properties\Settings.settings

?????文件???????3466??2008-11-27?12:07??RS232\RS232.csproj

?????文件????????168??2008-11-27?12:07??RS232\RS232.csproj.user

?????目錄??????????0??2008-04-17?16:28??RS232\obj\Debug\Refactor

?????目錄??????????0??2008-11-27?12:08??RS232\obj\Debug\TempPE

?????目錄??????????0??2008-04-17?16:28??RS232\obj\Release\TempPE

?????目錄??????????0??2008-11-27?12:07??RS232\bin\Debug

?????目錄??????????0??2008-04-17?16:28??RS232\bin\Release

............此處省略12個文件信息