using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Runtime.InteropServices;



namespace?app3
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????const?long?JS_OK=1;
????????????const?long?INVALID_HANDLE_VALUE=-1;
????????????const?long?JS_COMM_ERR=-3;
????????????const?long?JS_NO_HEX_STR=-6;
????????????const?long?JS_STRLEN_ERR=-7;
????????????const?long?JS_TYPE_ERR=-10;
????????????const?long?JS_OP_ERR=-11;

?
????????????IntPtr?hc;

????????????long?si;


????????????si?=?wsh.ClearAlarm（button1.Handle?139）;
????????????第一個參數(shù)據(jù)是端口句柄，你要裝上考勤機，才能獲取到
????????????第二個參數(shù)同上，也要裝上考勤機，才能獲取到

????????????switch?（si）
????????????{
????????????????case?JS_OK:
????????????????????MessageBox.Show（“JS_OK成功“）;
????????????????????break;
????????????????case?INVALID_HANDLE_VALUE:
????????????????????MessageBox.Show（“INVALID_HANDLE_VALUE非法句柄“）;
????????????????????break;
????????????????case?JS_COMM_ERR:
????????????????????MessageBox.Show（“JS_COMM_ERR通訊錯誤“）;
????????????????????break;
????????????????case?JS_NO_HEX_STR:
????????????????????MessageBox.Show（“JS_NO_HEX_STR輸入?yún)?shù)不是十六進制的字符串“）;
????????????????????break;
????????????????case?JS_STRLEN_ERR:
????????????????????MessageBox.Show（“JS_STRLEN_ERR輸入字符串參數(shù)長度不匹配“）;
????????????????????break;
????????????????case?JS_TYPE_ERR:
????????????????????MessageBox.Show（“JS_TYPE_ERR設(shè)備不支持的類型“）;
????????????????????break;
????????????????case?JS_OP_ERR:
????????????????????MessageBox.Show（“JS_OP_ERR設(shè)備操作錯誤“）;
????????????????????break;
???????????????default:
????????????????????MessageBox.Show（“調(diào)用失敗“）;
????????????????????break;

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

????public?class?wsh
????{
????????[DllImport（“a08.dll“?CharSet?=?CharSet.Ansi?CallingConvention?=?CallingConvention.StdCall）]
????????public?extern?static?long?ClearAlarm（IntPtr?hCom?byte?DevNo）;

????}
}

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

?????文件???????3215??2009-07-10?13:29??app3\app3\app3.csproj

?????文件?????163840??2005-06-21?16:05??app3\app3\bin\Debug\a08.dll

?????文件??????20480??2009-07-10?13:29??app3\app3\bin\Debug\app3.exe

?????文件??????22016??2009-07-10?13:29??app3\app3\bin\Debug\app3.pdb

?????文件???????5632??2005-11-11?22:25??app3\app3\bin\Debug\app3.vshost.exe

?????文件???????2277??2009-07-10?13:36??app3\app3\Form1.cs

?????文件???????2043??2009-07-10?12:17??app3\app3\Form1.Designer.cs

?????文件???????5814??2009-07-10?12:17??app3\app3\Form1.resx

?????文件????????247??2009-07-10?13:29??app3\app3\obj\app3.csproj.FileList.txt

?????文件????????842??2009-07-10?12:19??app3\app3\obj\Debug\app3.csproj.GenerateResource.Cache

?????文件??????20480??2009-07-10?13:29??app3\app3\obj\Debug\app3.exe

?????文件????????180??2009-07-10?12:19??app3\app3\obj\Debug\app3.Form1.resources

?????文件??????22016??2009-07-10?13:29??app3\app3\obj\Debug\app3.pdb

?????文件????????180??2009-07-10?11:53??app3\app3\obj\Debug\app3.Properties.Resources.resources

?????文件????????469??2009-07-10?12:20??app3\app3\Program.cs

?????文件???????1162??2009-07-10?11:53??app3\app3\Properties\AssemblyInfo.cs

?????文件???????2862??2009-07-10?11:53??app3\app3\Properties\Resources.Designer.cs

?????文件???????5612??2009-07-10?11:53??app3\app3\Properties\Resources.resx

?????文件???????1087??2009-07-10?11:53??app3\app3\Properties\Settings.Designer.cs

?????文件????????249??2009-07-10?11:53??app3\app3\Properties\Settings.settings

?????文件????????901??2009-07-10?11:53??app3\app3.sln

????..A..H.?????17408??2009-07-10?13:36??app3\app3.suo

?????目錄??????????0??2009-07-10?11:53??app3\app3\obj\Debug\TempPE

?????目錄??????????0??2009-07-10?13:36??app3\app3\bin\Debug

?????目錄??????????0??2009-07-10?13:29??app3\app3\obj\Debug

?????目錄??????????0??2009-07-10?13:29??app3\app3\bin

?????目錄??????????0??2009-07-10?11:53??app3\app3\obj

?????目錄??????????0??2009-07-10?11:53??app3\app3\Properties

?????目錄??????????0??2009-07-10?13:36??app3\app3

?????目錄??????????0??2009-07-10?11:53??app3

............此處省略3個文件信息