using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.Data.OleDb;
using?System.Runtime.InteropServices;
using?System.Diagnostics;
using?System.Collections;
//Download?by?http://www.codefans.net
namespace?IDCard
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????public?delegate?int?HookProc（int?nCode?int?wParam?IntPtr?lParam）;
????????static?int?hHook?=?0;
????????public?const?int?WH_KEYBOARD_LL?=?13;
????????//LowLevel鍵盤截獲，如果是WH_KEYBOARD＝2，并不能對系統鍵盤截取，Acrobat?Reader會在你截取之前獲得鍵盤。??
????????HookProc?KeyBoardHookProcedure;
????????[DllImport（“kernel32“）]
????????public?static?extern?int?Beep（int?dwFreq?int?dwDuration）;//讓計算機蜂鳴
????????string?DataPath?=?““;//數據庫路徑
????????OleDbConnection?con;//OleDbConnection對象，連接數據庫
????????OleDbCommand?cmd;//OleDbCommand對象，執行SQL語句
????????//鍵盤Hook結構函數??
????????[StructLayout（LayoutKind.Sequential）]
????????public?class?KeyBoardHookStruct
????????{
????????????public?int?vkCode;
????????????public?int?scanCode;
????????????public?int?flags;
????????????public?int?time;
????????????public?int?dwExtraInfo;
????????}
????????[DllImport（“user32.dll“）]
????????public?static?extern?int?SetWindowsHookEx（int?idHook?HookProc?lpfn?IntPtr?hInstance?int?threadId）;
????????[DllImport（“user32.dll“?CharSet?=?CharSet.Auto?CallingConvention?=?CallingConvention.StdCall）]
????????//抽掉鉤子??
????????public?static?extern?bool?UnhookWindowsHookEx（int?idHook）;
????????[DllImport（“user32.dll“）]
????????//調用下一個鉤子??
????????public?static?extern?int?CallNextHookEx（int?idHook?int?nCode?int?wParam?IntPtr?lParam）;
????????[DllImport（“kernel32.dll“）]
????????public?static?extern?IntPtr?GetModuleHandle（string?name）;

????????public?string??getNum（string?code）
????????{
????????????string?flag?=?““;
????????????switch?（code）
????????????{
????????????????case?“048“:
????????????????????flag=“0“;?break;
????????????????case?“049“:
????????????????????flag?=?“1“;?break;
????????????????case?“050“:
????????????????????flag?=?“2“;?break;
????????????????case?“051“:
????????????????????flag?=?“3“;?break;
????????????????case?“052“:
????????????????????flag?=?“4“;?break;
????????????????case?“053“:
????????????????????flag?=?“5“;?break;
????????????????case?“054“:
????????????????????flag?=?“6“;?break;
????????????????case?“055“:
????????????????????flag?=?“7“;?break;
????????????????case?“056“:
????????????????????flag?=?“8“;?break;
????????????????case?“057“:
????????????????????flag?=?“9“;?break;
????????????}
????????????return?flag;
????????}
????????public?void?Hook_Start（）
????????{

????????????//?安裝鍵盤鉤子??
????????????if?（hHook?==?0）
????????????{
????????????????KeyBoardHookProcedure?=?new?HookProc（KeyBoardHookProc）;
????????????????

?屬性????????????大小?????日期????時間???名稱
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???????????????254879????????????????????16