Question

- -我按ctrl+esc会出现开始菜单。 怎样才能屏蔽这个快捷键

Answer 1

Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private 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
Private 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
Private Const HC_ACTION = 0
Private Const WM_KEYDOWN = &H100
Private Const WM_KEYUP = &H101
Private Const WM_SYSKEYDOWN = &H104
Private Const WM_SYSKEYUP = &H105
Private Const VK_TAB = &H9
Private Const VK_CONTROL = &H11
Private Const VK_ESCAPE = &H1BPublic Const WH_KEYBOARD_LL = 13
Private Const LLKHF_ALTDOWN = &H20Private 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 = 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 = 91) Or (p.vkCode = 92) Or (p.vkCode = 93) Or (p.vkCode = 95) Or (p.vkCode = 255) Or (((p.flags And LLKHF_ALTDOWN) <> 0) And (p.vkCode = 115)))
End If
End If

If fEatKeystroke Then
LowLevelKeyboardProc = 1
Else
LowLevelKeyboardProc = CallNextHookEx(0, nCode, wParam, ByVal lParam)
End If
End Function
'窗体
Private hhkLowLevelKybd As Long
Private Sub Form_Load()
hhkLowLevelKybd = SetWindowsHookEx(WH_KEYBOARD_LL, Addressof LowLevelKeyboardProc, App.hInstance, 0)
End Sub
Private Sub Form_Unload(Cancel As Integer)
If hhkLowLevelKybd Then UnhookWindowsHookEx hhkLowLevelKybd
End Sub将以上内容保存为“123.bat”然后双击运行，如果无法修改的话你可以去查“怎样显示文件后缀”