HOOK钩子函数求教高手:
HOOK钩子函数求教高手:
FORM1:
Private Sub Form_Load()
Move 0, 0, Screen.Width, Screen.Height '让form1全屏显示
'Hidemouse '隐藏鼠标
ShockwaveFlash1.Top = Form1.ScaleTop
ShockwaveFlash1.Left = Form1.ScaleLeft
ShockwaveFlash1.Width = Form1.ScaleWidth
ShockwaveFlash1.Height = Form1.ScaleHeight
ShockwaveFlash1.Movie = "C:\My Documents\db.swf"
Call EnableKBDHook
End Sub
Private Sub Form_Unload(Cancel As Integer)
Call UnHookKBD
End Sub
模块:
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
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 Long
Public hnexthookproc As Long
Public Const HC_ACTION = 0
Public Const WH_KEYBOARD = 2
Public 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
End If
End Function
Public Function MyKBHFunc(ByVal iCode As Long, _
ByVal wParam As Long, ByVal lParam As Long) As Long
'这三个叁数是固定的,不能动,而MyKBHFunc这个名称只要和
'SetWindowsHookex()中 AddressOf後的名称一样便可,不一定叫什麽
'wParam 是传入按了哪个key的virtual-key code
'如果您将以下的两行unmark则所有键盘的输入皆没有作用
MyKBHFunc = 1 '吃掉讯息
Exit Function
' MyKBHFunc = 0 '讯息要处理
' If iCode < 0 Then
' ' MyKBHFunc = CallNextHookEx(hnexthookproc, iCode, wParam, lParam)
' Exit Function
' End If
' If wParam = vbKeySnapshot Then '侦测 有没有按到PrintScreen键
' MyKBHFunc = 1 '在这个Hook便吃掉这个讯息
' Debug.Print "haha"
' Else
' Call CallNextHookEx(hnexthookproc, iCode, wParam, lParam)
' End If
End Function
1: 在上面代码里,如何能检测到鼠标的活动
2: 如何使在键盘,鼠标没有活动的情况下,使FLASH能正常播放(我的上面代码,一运行,就关闭了,谢谢!!!!