using?System;
using?System.Collections.Generic;
using?System.Text;

using?System.Runtime.InteropServices;
using?System.Reflection;
namespace?SystemHook
{

????public?class?HookBarCode
????{
????????public?delegate?void?HookProc（int?nCode?IntPtr?wParam?IntPtr?lParam）;
????????public?delegate?void?GetBarCodeDelegate（string?_BarCode）;
????????private?event?GetBarCodeDelegate?GetBarCodeEvent;
????????private?HookProc?KeyboardHookProcedure;
????????private?IntPtr??m_lHook=IntPtr.Zero?;
????????private??StringBuilder?ScanCode;???//掃描碼?
????????private??int?TickCount;????????????//掃描時間

????????#region?開啟和關閉鉤子
????????///?

????????///?打開系統鉤子，開始監視掃描槍
????????///?

????????public?void?StartSystemHook（）
????????{
????????????if?（IntPtr.Zero?==?m_lHook）
????????????{
????????????????KeyboardHookProcedure?+=?CallHookProc;?
????????????????m_lHook?=?SetWindowsHookEx（HookType.WH_KEYBOARD_LL?KeyboardHookProcedure
????????????????????Marshal.GetHINSTANCE（Assembly.GetExecutingAssembly（）.GetModules（）[0]）?0）;
????????????}
????????}

????????///?

????????///?打開線程鉤子，開始監視掃描槍
????????///?

????????public?void?StartThreadHook（int?threadID）
????????{
????????????if?（IntPtr.Zero?==?m_lHook）
????????????{
????????????????KeyboardHookProcedure?+=?CallHookProc;
????????????????m_lHook?=?SetWindowsHookEx（HookType.WH_KEYBOARD_LL?KeyboardHookProcedure
????????????????????IntPtr.Zero?threadID）;
????????????????
????????????}
????????}

????????///?

????????///?關閉監視
????????///?

????????public?void?StopHook（）
????????{
????????????if?（IntPtr.Zero?!=?m_lHook）
????????????????UnhookWindowsHookEx（m_lHook）;
????????}
????????#endregion

????????///?

????????///?添加掃描槍錄入處理事件
????????///?

????????///?
????????public?void?Add（GetBarCodeDelegate?GetBarCodeMethod）
????????{
????????????GetBarCodeEvent?+=?new?GetBarCodeDelegate（GetBarCodeMethod）;
????????}

????????//回調函數
????????private?void?CallHookProc（int?nCode?IntPtr?wParam?IntPtr?lParam）
????????{
????????????/*?
????????????????KeyDown			=?0x0100
	????????????KeyUp			=?0x0101
	????????????SystemKeyDown	=?0x0104
	????????????SystemKeyUp		=?0x0105
????????????*/
????????????if?（GetBarCodeEvent?!=?null?&&?nCode?>=?0?&&?（int）wParam?==?0x100）
????????????{
????????????????HookEventMSG?m?=?（HookEventMSG）Marshal.PtrToStructure（lParam?typeof（HookEventMSG））;
????????????????
????????????????if?（m.vkCode?>=?48?&&?m.vkCode?<=?57）
????????????????{
????????????????????//如果掃描的是數字
????????????????????AddText?（?（m.vkCode?-?48）.ToString（））;
????????????????}
????????????????else?if（m.vkCode>=65?&&?m.vkCode?<=90）
????????????????{?
????????????????????//掃描為字母
????????????????????//AddText（ConvertKeyCode（（VirtualKeys）m.vkCode）.ToString（））;
????????????????????AddText（（（char）m.vkCode）.ToString?（））;
????????????????}
????????????????else?i

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

?????文件???????1409??2007-12-12?18:27??鉤子測試\鉤子測試.sln

????..A..H.?????17920??2007-12-12?18:41??鉤子測試\鉤子測試.suo

?????文件???????1958??2007-12-12?18:27??鉤子測試\SystemHook\SystemHook.csproj

?????文件????????168??2007-12-12?18:27??鉤子測試\SystemHook\SystemHook.csproj.user

?????文件???????6073??2007-12-12?18:34??鉤子測試\SystemHook\BarCode.cs

?????文件???????1363??2007-12-12?18:22??鉤子測試\SystemHook\Properties\AssemblyInfo.cs

?????文件????????981??2007-12-12?18:40??鉤子測試\鉤子測試\Form1.cs

?????文件???????3257??2007-12-12?18:39??鉤子測試\鉤子測試\Form1.Designer.cs

?????文件???????3449??2007-12-12?18:27??鉤子測試\鉤子測試\鉤子測試.csproj

?????文件???????5814??2007-12-12?18:39??鉤子測試\鉤子測試\Form1.resx

?????文件????????471??2007-12-12?18:22??鉤子測試\鉤子測試\Program.cs

?????文件???????5612??2007-12-12?18:22??鉤子測試\鉤子測試\Properties\Resources.resx

?????文件????????249??2007-12-12?18:22??鉤子測試\鉤子測試\Properties\Settings.settings

?????文件???????1220??2007-12-12?18:22??鉤子測試\鉤子測試\Properties\AssemblyInfo.cs

?????文件???????2879??2007-12-12?18:22??鉤子測試\鉤子測試\Properties\Resources.Designer.cs

?????文件???????1096??2007-12-12?18:22??鉤子測試\鉤子測試\Properties\Settings.Designer.cs

?????目錄??????????0??2007-12-12?18:42??鉤子測試\SystemHook\Properties

?????目錄??????????0??2007-12-12?18:42??鉤子測試\鉤子測試\Properties

?????目錄??????????0??2007-12-12?18:42??鉤子測試\SystemHook

?????目錄??????????0??2007-12-12?18:42??鉤子測試\鉤子測試

?????目錄??????????0??2007-12-12?18:42??鉤子測試

-----------?---------??----------?-----??----

????????????????53919????????????????????21