注释:以下在.Bas Option ExplicitDeclare Function SetWindowsHookEx Lib "user32" Alias _ "SetWindowsHookExA" (ByVal idHook As Long, ByVal lpfn As Long, _ ByVal hmod As Long, ByVal dwThreadId As Long) As Long Declare Function UnhookWindowsHookEx Lib "user32" _ (ByVal hHook As Long) As Long Declare Function CallNextHookEx Lib "user32" (ByVal hHook As Long, _ ByVal ncode As Long, ByVal wParam As Long, lParam As Any) As LongPublic hnexthookproc As Long Public Const HC_ACTION = 0 Public Const WH_KEYBOARD = 2Public Sub UnHookKBD() If hnexthookproc <> 0 Then UnhookWindowsHookEx hnexthookproc hnexthookproc = 0 End If End Sub Public Function EnableKBDHook() If hnexthookproc <> 0 Then Exit Function End If hnexthookproc = SetWindowsHookEx(WH_KEYBOARD, AddressOf _ MyKBHFunc, App.hInstance, 0) If hnexthookproc <> 0 Then EnableKBDHook = hnexthookproc End If End Function Public Function MyKBHFunc(ByVal iCode As Long, _ ByVal wParam As Long, ByVal lParam As Long) As Long '注释:这三个叁数是固定的,不能动,而MyKBHFunc这个名称只要和 '注释:SetWindowsHookex()中 AddressOf後的名称一样便可,不一定叫什麽 '注释:wParam 是传入按了哪个key的virtual-key code '注释:如果您将以下的两行un则所有键盘的输入皆没有作用 '注释:MyKBHFunc = 1 注释:吃掉讯息 '注释:Exit Function MyKBHFunc = 0 '注释:讯息要处理 If iCode < 0 Then MyKBHFunc = CallNextHookEx(hnexthookproc, iCode, wParam, lParam) Exit Function End If If wParam = vbKeyEscape Then '注释:侦测 有没有按到ESC键 MyKBHFunc = 1 '注释:在这个Hook便吃掉这个讯息 Debug.Print "呵呵!" Else Call CallNextHookEx(hnexthookproc, iCode, wParam, lParam) End If End Function'注释:以下在Form Private Sub Form_Load() Call EnableKBDHook End SubPrivate Sub Form_Unload(Cancel As Integer) Call UnHookKBD End Sub
Option ExplicitDeclare Function SetWindowsHookEx Lib "user32" Alias _
"SetWindowsHookExA" (ByVal idHook As Long, ByVal lpfn As Long, _
ByVal hmod As Long, ByVal dwThreadId As Long) As Long
Declare Function UnhookWindowsHookEx Lib "user32" _
(ByVal hHook As Long) As Long
Declare Function CallNextHookEx Lib "user32" (ByVal hHook As Long, _
ByVal ncode As Long, ByVal wParam As Long, lParam As Any) As LongPublic hnexthookproc As Long
Public Const HC_ACTION = 0
Public Const WH_KEYBOARD = 2Public Sub UnHookKBD()
If hnexthookproc <> 0 Then
UnhookWindowsHookEx hnexthookproc
hnexthookproc = 0
End If
End Sub
Public Function EnableKBDHook()
If hnexthookproc <> 0 Then
Exit Function
End If
hnexthookproc = SetWindowsHookEx(WH_KEYBOARD, AddressOf _
MyKBHFunc, App.hInstance, 0)
If hnexthookproc <> 0 Then
EnableKBDHook = hnexthookproc
End If
End Function
Public Function MyKBHFunc(ByVal iCode As Long, _
ByVal wParam As Long, ByVal lParam As Long) As Long
'注释:这三个叁数是固定的,不能动,而MyKBHFunc这个名称只要和
'注释:SetWindowsHookex()中 AddressOf後的名称一样便可,不一定叫什麽
'注释:wParam 是传入按了哪个key的virtual-key code '注释:如果您将以下的两行un则所有键盘的输入皆没有作用
'注释:MyKBHFunc = 1 注释:吃掉讯息
'注释:Exit Function MyKBHFunc = 0 '注释:讯息要处理
If iCode < 0 Then
MyKBHFunc = CallNextHookEx(hnexthookproc, iCode, wParam, lParam)
Exit Function
End If
If wParam = vbKeyEscape Then '注释:侦测 有没有按到ESC键
MyKBHFunc = 1 '注释:在这个Hook便吃掉这个讯息
Debug.Print "呵呵!"
Else
Call CallNextHookEx(hnexthookproc, iCode, wParam, lParam)
End If
End Function'注释:以下在Form
Private Sub Form_Load()
Call EnableKBDHook
End SubPrivate Sub Form_Unload(Cancel As Integer)
Call UnHookKBD
End Sub
我认为MyKBFunc()必需写成。DLL文件!
然后用LoadLibrary()在内存映射一块区域
而SetWindowsHookEx Lib "user32" Alias _
"SetWindowsHookExA" (ByVal idHook As Long, ByVal lpfn As Long, _
ByVal hmod As Long, ByVal dwThreadId As Long)的lpfn参数由GetProcAddress()获得
具体的看一下MSDN就行了