触发事件问题？
在程序运行时 按下 Ctrl+F10 就执行一个msgbox
这该怎么写才能实现这种效果啊！
问题点数：20、回复次数：8Top
1 楼onln（）回复于 2006-07-01 21:07:58 得分 0
有没有人知道啊
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2 楼YaDa（）回复于 2006-07-01 22:27:18 得分 0
KeyDown事件,Ctrl用shift参数来判断，F10用KeyCode参数来判断
if shift = VbCtrlMask and KeyCode = vbKeyF10 then msgbox "ok"Top
3 楼verywzm（寒江雪）回复于 2006-07-01 22:32:41 得分 0
'===================窗体代码===============
Option Explicit
Private Sub Form_Load()
Dim ret As Long
'记录原来的window程序地址
preWinProc = GetWindowLong(Me.hwnd, GWL_WNDPROC)
'用自定义程序代替原来的window程序
ret = SetWindowLong(Me.hwnd, GWL_WNDPROC, AddressOf Wndproc)
idHotKey = 1
Modifiers = MOD_CONTROL 'Alt+Ctrl 键
uVirtKey = vbKeyF10 'F10键
ret = RegisterHotKey(Me.hwnd, idHotKey, Modifiers, uVirtKey)
End Sub
Private Sub Form_Unload(Cancel As Integer)
Dim ret As Long
'取消Message的截取，使之送往原来的windows程序
ret = SetWindowLong(Me.hwnd, GWL_WNDPROC, preWinProc)
Call UnregisterHotKey(Me.hwnd, uVirtKey)
End SubOption Explicit
Private Sub Form_Load()
Dim ret As Long
'记录原来的window程序地址
preWinProc = GetWindowLong(Me.hwnd, GWL_WNDPROC)
'用自定义程序代替原来的window程序
ret = SetWindowLong(Me.hwnd, GWL_WNDPROC, AddressOf Wndproc)
idHotKey = 1
Modifiers = MOD_CONTROL 'Alt+Ctrl 键
uVirtKey = vbKeyF10 'F10键
ret = RegisterHotKey(Me.hwnd, idHotKey, Modifiers, uVirtKey)
End Sub
Private Sub Form_Unload(Cancel As Integer)
Dim ret As Long
'取消Message的截取，使之送往原来的windows程序
ret = SetWindowLong(Me.hwnd, GWL_WNDPROC, preWinProc)
Call UnregisterHotKey(Me.hwnd, uVirtKey)
End Sub
'=====================模块代码========================
Option Explicit
Declare Function SetWindowLong Lib "User32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Declare Function GetWindowLong Lib "User32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Declare Function CallWindowProc Lib "User32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Declare Function RegisterHotKey Lib "User32" (ByVal hwnd As Long, ByVal id As Long, ByVal fsModifiers As Long, ByVal vk As Long) As Long
Declare Function UnregisterHotKey Lib "User32" (ByVal hwnd As Long, ByVal id As Long) As Long
Public Const WM_HOTKEY = &H312
Public Const MOD_ALT = &H1
Public Const MOD_CONTROL = &H2
Public Const MOD_SHIFT = &H4
Public Const GWL_WNDPROC = (-4)
Public preWinProc As Long
Public Modifiers As Long, uVirtKey As Long, idHotKey As Long
Private Type taLong
ll As Long
End Type
Private Type t2Int
lWord As Integer
hWord As Integer
End Type
Public Function Wndproc(ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
If Msg = WM_HOTKEY Then
If wParam = idHotKey Then
Dim lp As taLong, i2 As t2Int
lp.ll = lParam
LSet i2 = lp
If (i2.lWord = Modifiers) And i2.hWord = uVirtKey Then
MsgBox "Ctrl+F10"
End If
End If
End If
'如果不是热键信息则调用原来的程序
Wndproc = CallWindowProc(preWinProc, hwnd, Msg, wParam, lParam)
End Function
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4 楼onln（）回复于 2006-07-01 22:59:49 得分 0
YaDa() ( ) 信誉：100
你给我的代码都用不了！Top
5 楼YaDa（）回复于 2006-07-01 23:19:46 得分 0
'我刚试了一下，很好啊
Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
If Shift = vbCtrlMask And KeyCode = vbKeyF10 Then MsgBox "ok"
End SubTop
6 楼YaDa（）回复于 2006-07-01 23:40:16 得分 0
罗嗦几句：
1、本代码是在窗体获得焦点的情况下有效。
2、要将Form的Preview属性设置为True.
3、如果要在后台运行的情况下也要弹出对话框，就要进行消息拦截，可以试试“寒江雪”的代码，也可以用搜索引擎查找一下“键盘钩子”或“热键”。Top
7 楼onln（）回复于 2006-07-02 09:32:57 得分 0
YaDa() ( ) 信誉：100
可以了！昨天我自己没看清楚谢谢！Top
8 楼YaDa（）回复于 2006-07-02 21:55:08 得分 0
既然可以了，就别忘了给分。Top
