函数参考

_WinAPI_UnhookWindowsHookEx

移除一个钩子程序, 安装一个钩子链的 _WinAPI_SetWindowsHookEx 函数

#Include <WinAPI.au3>
_WinAPI_UnhookWindowsHookEx($hhk)

参数

返回值

注意/说明

相关

详情参考

在MSDN中搜索

示例/演示

#include <WinAPI.au3>
#include <WindowsConstants.au3>
#include <StructureConstants.au3>

Global $hHook, $hStub_KeyProc, $buffer = ""

_Main()

Func _Main()
    OnAutoItExitRegister("Cleanup")

    Local $hmod

    $hStub_KeyProc = DllCallbackRegister("_KeyProc", "long", "int;wparam;lparam")
    $hmod = _WinAPI_GetModuleHandle(0)
    $hHook = _WinAPI_SetWindowsHookEx($WH_KEYBOARD_LL, DllCallbackGetPtr($hStub_KeyProc), $hmod)

    MsgBox(4096, "", "Click OK, then in notepad type..." & _
            @LF & @LF & "Jon" & @LF & "AutoIt" & @LF & @LF & "Press Esc to exit script")

    Run("notepad.exe")
    WinWait("[CLASS:Notepad]")
    WinActivate("[CLASS:Notepad]")

    While 1
        Sleep(10)
    WEnd
EndFunc   ;==>_Main

Func EvaluateKey($keycode)
    If (($keycode > 64) And ($keycode < 91)) _ ; a - z
            Or (($keycode > 96) And ($keycode < 123)) _ ; A - Z
            Or (($keycode > 47) And ($keycode < 58)) Then ; 0 - 9
        $buffer &= Chr($keycode)
        Switch $buffer
            Case "Jon"
                ToolTip("What can you say?")
            Case "AutoIt"
                ToolTip("AutoIt Rocks")
        EndSwitch
    ElseIf ($keycode > 159) And ($keycode < 164) Then
        Return
    ElseIf ($keycode = 27) Then ; esc key
        Exit
    Else
        $buffer = ""
    EndIf
EndFunc   ;==>EvaluateKey

;===========================================================
; callback function
;===========================================================
Func _KeyProc($nCode, $wParam, $lParam)
    Local $tKEYHOOKS
    $tKEYHOOKS = DllStructCreate($tagKBDLLHOOKSTRUCT, $lParam)
    If $nCode < 0 Then
        Return _WinAPI_CallNextHookEx($hHook, $nCode, $wParam, $lParam)
    EndIf
    If $wParam = $WM_KEYDOWN Then
        EvaluateKey(DllStructGetData($tKEYHOOKS, "vkCode"))
    Else
        Local $flags = DllStructGetData($tKEYHOOKS, "flags")
        Switch $flags
            Case $LLKHF_ALTDOWN
                ConsoleWrite("$LLKHF_ALTDOWN" & @CRLF)
            Case $LLKHF_EXTENDED
                ConsoleWrite("$LLKHF_EXTENDED" & @CRLF)
            Case $LLKHF_INJECTED
                ConsoleWrite("$LLKHF_INJECTED" & @CRLF)
            Case $LLKHF_UP
                ConsoleWrite("$LLKHF_UP: scanCode - " & DllStructGetData($tKEYHOOKS, "scanCode") & @TAB & "vkCode - " & DllStructGetData($tKEYHOOKS, "vkCode") & @CRLF)
        EndSwitch
    EndIf
    Return _WinAPI_CallNextHookEx($hHook, $nCode, $wParam, $lParam)
EndFunc   ;==>_KeyProc

Func Cleanup()
    _WinAPI_UnhookWindowsHookEx($hHook)
    DllCallbackFree($hStub_KeyProc)
EndFunc   ;==>Cleanup