/**************************************************
*?Copyright?（C）?2009-2010?使用本代碼請保留此文件頭。
*?文?件?名：XB.COM?Port.cs
*?文件功能：此模塊是用于對COM端口進行操作的一個低層API。
*?開發部門：合作產品開發部
*?創?建?人：戚曉偉
*?創建日期：2008-7-15
*?修?改?人：戚曉偉
*?修改日期：2008-9-17
*?備????注：最主要的無非就是對COM端口進行寫數據與讀取設備返回信息的兩個函數
*???????????此模塊為通用模塊，任何基于COM口開發的應用程序，都可以使用此模塊來
*???????????進行操作，靈活性好。?
*************************************************/

using?System;
using?System.Runtime.InteropServices;

namespace?XB.COM
{
????public?class?Port
????{
????????public?string?PortNum;
????????public?int?BaudRate;
????????public?byte?ByteSize;
????????public?byte?Parity;?//?0-4=nooddevenmarkspace?
????????public?byte?StopBits;?//?012?=?1?1.5?2?
????????public?int?ReadTimeout;

????????//comm?port?win32?file?handle
????????private?int?hComm?=?-1;

????????public?bool?Opened?=?false;

????????//win32?api?constants
????????private?const?uint?GENERIC_READ?=?0x80000000;
????????private?const?uint?GENERIC_WRITE?=?0x40000000;
????????private?const?int?OPEN_EXISTING?=?3;
????????private?const?int?INVALID_HANDLE_VALUE?=?-1;

????????[StructLayout（LayoutKind.Sequential）]
????????public?struct?DCB
????????{
????????????//taken?from?c?struct?in?platform?sdk?
????????????public?int?DCBlength;???????????//?sizeof（DCB）?
????????????public?int?BaudRate;????????????//?指定當前波特率?current?baud?rate
????????????//?these?are?the?c?struct?bit?fields?bit?twiddle?flag?to?set
????????????public?int?fBinary;??????????//?指定是否允許二進制模式在windows95中必須主TRUE?binary?mode?no?EOF?check?
????????????public?int?fParity;??????????//?指定是否允許奇偶校驗?enable?parity?checking?
????????????public?int?fOutxCtsFlow;??????//?指定CTS是否用于檢測發送控制，當為TRUE是CTS為OFF，發送將被掛起。?CTS?output?flow?control?
????????????public?int?fOutxDsrFlow;??????//?指定CTS是否用于檢測發送控制?DSR?output?flow?control?
????????????public?int?fDtrControl;???????//?DTR_CONTROL_DISABLE值將DTR置為OFF?DTR_CONTROL_ENABLE值將DTR置為ON?DTR_CONTROL_HANDSHAKE允許DTR“握手“?DTR?flow?control?type?
????????????public?int?fDsrSensitivity;???//?當該值為TRUE時DSR為OFF時接收的字節被忽略?DSR?sensitivity?
????????????public?int?fTXContinueOnXoff;?//?指定當接收緩沖區已滿并且驅動程序已經發送出XoffChar字符時發送是否停止。TRUE時，在接收緩沖區接收到緩沖區已滿的字節XoffLim且驅動程序已經發送出XoffChar字符中止接收字節之后，發送繼續進行。　FALSE時，在接收緩沖區接收到代表緩沖區已空的字節XonChar且驅動程序已經發送出恢復發送的XonChar之后，發送繼續進行。XOFF?continues?Tx?
????????????public?int?fOutX;??????????//?TRUE時，接收到XoffChar之后便停止發送接收到XonChar之后將重新開始?XON/XOFF?out?flow?control?
????????????public?int?fInX;???????????//?TRUE時，接收緩沖區接收到代表緩沖區滿的XoffLim之后，XoffChar發送出去接收緩沖區接收到代表緩沖區空的XonLim之后，XonChar發送出去?XON/XOFF?in?flow?control?
????????????public?int?fErrorChar;?????//?該值為TRUE且fParity為TRUE時，用ErrorChar?成員指定的字符代替奇偶校驗錯誤的接收字符?enable?error?replacement?
????????????public?int?fNull;??????????//?eTRUE時，接收時去掉空（0值）字節?enable?null?stripping?
????????????public?int?fRtsControl;?????//?RTS?flow?control?
????????????/*RTS_CONTROL_DISABLE時RTS置為OFF
????????????????????????????????????????????RTS_CONTROL_ENABLE時?RTS置為ON
???????????????????????????????

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

?????文件???????7168??2010-07-25?16:52??XB.MOBILE\XB.COM\bin\Debug\XB.COM.dll

?????文件??????15872??2010-07-25?16:52??XB.MOBILE\XB.COM\bin\Debug\XB.COM.pdb

?????文件??????16384??2008-08-30?12:41??XB.MOBILE\XB.COM\obj\Debug\Refactor\XB.COM.dll

?????文件????????230??2010-07-25?16:52??XB.MOBILE\XB.COM\obj\Debug\XB.COM.csproj.FileListAbsolute.txt

?????文件???????7168??2010-07-25?16:52??XB.MOBILE\XB.COM\obj\Debug\XB.COM.dll

?????文件??????15872??2010-07-25?16:52??XB.MOBILE\XB.COM\obj\Debug\XB.COM.pdb

?????文件????????130??2009-02-20?10:13??XB.MOBILE\XB.COM\obj\XB.COM.csproj.FileList.txt

?????文件??????14492??2010-10-21?10:48??XB.MOBILE\XB.COM\Port.cs

?????文件???????1331??2008-08-30?13:13??XB.MOBILE\XB.COM\Properties\AssemblyInfo.cs

?????文件???????2118??2009-10-09?16:06??XB.MOBILE\XB.COM\XB.COM.csproj

?????文件???????7168??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\bin\Debug\XB.COM.dll

?????文件??????15872??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\bin\Debug\XB.COM.pdb

?????文件??????14336??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\bin\Debug\XB.MOBILE.dll

?????文件??????32256??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\bin\Debug\XB.MOBILE.pdb

?????文件???????8192??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\bin\Debug\XB.PDU.dll

?????文件??????22016??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\bin\Debug\XB.PDU.pdb

?????文件??????12574??2008-11-12?11:09??XB.MOBILE\XB.MOBILE\MMSender.cs

?????文件???????5649??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\obj\Debug\ResolveAssemblyReference.cache

?????文件????????437??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\obj\Debug\XB.MOBILE.csproj.FileListAbsolute.txt

?????文件??????14336??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\obj\Debug\XB.MOBILE.dll

?????文件??????32256??2010-07-25?16:52??XB.MOBILE\XB.MOBILE\obj\Debug\XB.MOBILE.pdb

?????文件????????230??2009-02-20?10:13??XB.MOBILE\XB.MOBILE\obj\XB.MOBILE.csproj.FileList.txt

?????文件???????1337??2008-08-30?13:13??XB.MOBILE\XB.MOBILE\Properties\AssemblyInfo.cs

?????文件????????448??2008-08-30?16:04??XB.MOBILE\XB.MOBILE\RecSM.cs

?????文件??????13472??2010-10-21?10:48??XB.MOBILE\XB.MOBILE\Send.cs

?????文件???????2580??2009-10-09?16:06??XB.MOBILE\XB.MOBILE\XB.MOBILE.csproj

?????文件???????1861??2009-10-09?16:06??XB.MOBILE\XB.MOBILE.sln

????..A..H.?????33792??2010-10-21?10:48??XB.MOBILE\XB.MOBILE.suo

?????文件???????8192??2010-07-25?16:52??XB.MOBILE\XB.PDU\bin\Debug\XB.PDU.dll

?????文件??????22016??2010-07-25?16:52??XB.MOBILE\XB.PDU\bin\Debug\XB.PDU.pdb

............此處省略38個文件信息