C#鉤子類幾乎捕獲鍵盤鼠標(biāo)所有事件

2019-11-17 02:49:25

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usingSystem;
usingSystem.Text;
usingSystem.Runtime.InteropServices;
usingSystem.Reflection;
usingSystem.Windows.Forms;
namespaceMouseKeyboardLibrary
{
///<summary>
///AbstractbaseclassforMouseandKeyboardhooks
///</summary>
publicabstractclassGlobalHook
{
#regionWindowsAPICode
[StructLayout(LayoutKind.Sequential)]
PRotectedclassPOINT
{
publicintx;
publicinty;
}
[StructLayout(LayoutKind.Sequential)]
protectedclassMouseHookStruct
{
publicPOINTpt;
publicinthwnd;
publicintwHitTestCode;
publicintdwExtraInfo;
}
[StructLayout(LayoutKind.Sequential)]
protectedclassMouseLLHookStruct
{
publicPOINTpt;
publicintmouseData;
publicintflags;
publicinttime;
publicintdwExtraInfo;
}
[StructLayout(LayoutKind.Sequential)]
protectedclassKeyboardHookStruct
{
publicintvkCode;
publicintscanCode;
publicintflags;
publicinttime;
publicintdwExtraInfo;
}
[DllImport("user32.dll",CharSet=CharSet.Auto,
CallingConvention=CallingConvention.StdCall,SetLastError=true)]
protectedstaticexternintSetWindowsHookEx(
intidHook,
HookProclpfn,
IntPtrhMod,
intdwThreadId);
[DllImport("user32.dll",CharSet=CharSet.Auto,
CallingConvention=CallingConvention.StdCall,SetLastError=true)]
protectedstaticexternintUnhookWindowsHookEx(intidHook);
[DllImport("user32.dll",CharSet=CharSet.Auto,
CallingConvention=CallingConvention.StdCall)]
protectedstaticexternintCallNextHookEx(
intidHook,
intnCode,
intwParam,
IntPtrlParam);
[DllImport("user32")]
protectedstaticexternintToAscii(
intuVirtKey,
intuScanCode,
byte[]lpbKeyState,
byte[]lpwTransKey,
intfuState);
[DllImport("user32")]
protectedstaticexternintGetKeyboardState(byte[]pbKeyState);
[DllImport("user32.dll",CharSet=CharSet.Auto,CallingConvention=CallingConvention.StdCall)]
protectedstaticexternshortGetKeyState(intvKey);
protecteddelegateintHookProc(intnCode,intwParam,IntPtrlParam);
protectedconstintWH_MOUSE_LL=14;
protectedconstintWH_KEYBOARD_LL=13;
protectedconstintWH_MOUSE=7;
protectedconstintWH_KEYBOARD=2;
protectedconstintWM_MOUSEMOVE=0x200;
protectedconstintWM_LBUTTONDOWN=0x201;
protectedconstintWM_RBUTTONDOWN=0x204;
protectedconstintWM_MBUTTONDOWN=0x207;
protectedconstintWM_LBUTTONUP=0x202;
protectedconstintWM_RBUTTONUP=0x205;
protectedconstintWM_MBUTTONUP=0x208;
protectedconstintWM_LBUTTONDBLCLK=0x203;
protectedconstintWM_RBUTTONDBLCLK=0x206;
protectedconstintWM_MBUTTONDBLCLK=0x209;
protectedconstintWM_MOUSEWHEEL=0x020A;
protectedconstintWM_KEYDOWN=0x100;
protectedconstintWM_KEYUP=0x101;
protectedconstintWM_SYSKEYDOWN=0x104;
protectedconstintWM_SYSKEYUP=0x105;
protectedconstbyteVK_SHIFT=0x10;
protectedconstbyteVK_CAPITAL=0x14;
protectedconstbyteVK_NUMLOCK=0x90;
protectedconstbyteVK_LSHIFT=0xA0;
protectedconstbyteVK_RSHIFT=0xA1;
protectedconstbyteVK_LCONTROL=0xA2;
protectedconstbyteVK_RCONTROL=0x3;
protectedconstbyteVK_LALT=0xA4;
protectedconstbyteVK_RALT=0xA5;
protectedconstbyteLLKHF_ALTDOWN=0x20;
#endregion
#regionPrivateVariables
protectedint_hookType;
protectedint_handleToHook;
protectedbool_isStarted;
protectedHookProc_hookCallback;
#endregion
#regionProperties
publicboolIsStarted
{
get
{
return_isStarted;
}
}
#endregion
#regionConstructor
publicGlobalHook()
{
application.ApplicationExit+=newEventHandler(Application_ApplicationExit);
}
#endregion
#regionMethods
publicvoidStart()
{
if(!_isStarted&&
_hookType!=0)
{
//Makesurewekeepareferencetothisdelegate!
//Ifnot,GCrandomlycollectsit,andaNullReferenceexceptionisthrown
_hookCallback=newHookProc(HookCallbackProcedure);
_handleToHook=SetWindowsHookEx(
_hookType,
_hookCallback,
Marshal.GetHINSTANCE(Assembly.GetExecutingA