Public Declare Function RegisterHotKey Lib "user32" _
(ByVal hwnd As Long, _
ByVal id As Long, _
ByVal fsModifiers As Long, _
ByVal vk As Long) _
As LongPublic Const HK_ID_CTRL_ESC_ALT = 87& 'CTRL+ESC+ALT
Public Const VK_ESCAPE = &H1B '[Esc]
Public Const MOD_CONTROL = &H2 '[CTRL]
Public Const MOD_ALT = &H1 '[ALT] 'CTRL_ESC_ALT
lngret = RegisterHotKey(Me.hwnd, _
HK_ID_CTRL_ESC_ALT, _
MOD_ALT Or MOD_CONTROL, _
VK_ESCAPE)为什么我用上面的代码, 无法屏蔽CTRL+ESC(相当于WIN键)!???????
是不是我写错了? 有没有别的好的办法???顺便问一下: 在VB下如何使用底层钩子屏蔽WIN键?? (请教高手, 需要的话可另外给分!)
(ByVal hwnd As Long, _
ByVal id As Long, _
ByVal fsModifiers As Long, _
ByVal vk As Long) _
As LongPublic Const HK_ID_CTRL_ESC_ALT = 87& 'CTRL+ESC+ALT
Public Const VK_ESCAPE = &H1B '[Esc]
Public Const MOD_CONTROL = &H2 '[CTRL]
Public Const MOD_ALT = &H1 '[ALT] 'CTRL_ESC_ALT
lngret = RegisterHotKey(Me.hwnd, _
HK_ID_CTRL_ESC_ALT, _
MOD_ALT Or MOD_CONTROL, _
VK_ESCAPE)为什么我用上面的代码, 无法屏蔽CTRL+ESC(相当于WIN键)!???????
是不是我写错了? 有没有别的好的办法???顺便问一下: 在VB下如何使用底层钩子屏蔽WIN键?? (请教高手, 需要的话可另外给分!)
Public Declare Function GetKeyState Lib "user32" (ByVal nVirtKey As Long) As Integer
Public Declare Function SetWindowsHookEx Lib "user32" Alias "SetWindowsHookExA" (ByVal idHook As Long, ByVal lpfn As Long, ByVal hmod As Long, ByVal dwThreadId As Long) As Long
Public Declare Function CallNextHookEx Lib "user32" (ByVal hHook As Long, ByVal nCode As Long, ByVal wParam As Long, lParam As Any) As Long
Public Declare Function UnhookWindowsHookEx Lib "user32" (ByVal hHook As Long) As Long
Public Const HC_ACTION = 0
Public Const WM_KEYDOWN = &H100
Public Const WM_KEYUP = &H101
Public Const WM_SYSKEYDOWN = &H104
Public Const WM_SYSKEYUP = &H105
Public Const VK_TAB = &H9
Public Const VK_CONTROL = &H11
Public Const VK_ESCAPE = &H1B
Public Const WH_KEYBOARD_LL = 13
Public Const LLKHF_ALTDOWN = &H20
Public Type KBDLLHOOKSTRUCT
vkCode As Long
scanCode As Long
flags As Long
time As Long
dwExtraInfo As Long
End TypeDim p As KBDLLHOOKSTRUCTPublic Function LowLevelKeyboardProc(ByVal nCode As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Dim fEatKeystroke As Boolean
If (nCode = HC_ACTION) Then
If wParam = WM_KEYDOWN Or wParam = WM_SYSKEYDOWN Or wParam = WM_KEYUP Or wParam = WM_SYSKEYUP Then
CopyMemory p, ByVal lParam, Len(p)
fEatKeystroke = (p.vkCode = &H5B) Or ((p.vkCode = VK_TAB) And ((p.flags And LLKHF_ALTDOWN) <> 0)) Or ((p.vkCode = VK_ESCAPE) And ((p.flags And LLKHF_ALTDOWN) <> 0)) Or ((p.vkCode = VK_ESCAPE) And ((GetKeyState(VK_CONTROL) And &H8000) <> 0)) Or ((p.vkCode = vbKeyDelete) And ((GetKeyState(VK_CONTROL) And &H8000 <> 0) And (GetKeyState(vbKeyShift) And &H8000) <> 0))
End If
End If
If fEatKeystroke Then
LowLevelKeyboardProc = -1
Else
LowLevelKeyboardProc = CallNextHookEx(0, nCode, wParam, ByVal lParam)
End If
End Function
------------------------------------
Dim hhkLowLevelKybd As LongPrivate Sub chkDisable_Click()
If chkDisable = vbChecked Then
hhkLowLevelKybd = SetWindowsHookEx(WH_KEYBOARD_LL, AddressOf LowLevelKeyboardProc, App.hInstance, 0)
Else
UnhookWindowsHookEx hhkLowLevelKybd
hhkLowLevelKybd = 0
End If
End SubPrivate Sub Form_Unload(Cancel As Integer)
If hhkLowLevelKybd <> 0 Then UnhookWindowsHookEx hhkLowLevelKybd
End Sub
===========================
上面的代码写入模块,下面的代码写入窗体,窗体中有一个CHECK控件。
实在感谢! 很受学习啊..我调试中, 有什么不明白还得请教哦~~