请问如何制作快捷键?

5991096 2004-03-02 09:57:44
请问如何制作快捷键,如能贴上实例代码将不胜感激!
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griefforyou 2004-07-12
我把用RegisterHotKey的方法发上来


'窗体中
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 'in the range &h0000 through &hBFFF
Modifiers = MOD_ALT '辅助键为Alt
uVirtKey1 = vbKeyQ '注册的热键为Alt+Q
'注册热键
ret = RegisterHotKey(Me.hWnd, idHotKey, Modifiers, uVirtKey1)
If ret = 0 Then
MsgBox "注册热键失败,请使用其它热键!", vbCritical, "错误"
End If
End Sub

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
Dim ret As Long
'取消Message的截取,使之送往原来的window程序
ret = SetWindowLong(Me.hWnd, GWL_WNDPROC, preWinProc)
Call UnregisterHotKey(Me.hWnd, uVirtKey1)
End Sub

'模块中

'以下程序放在模块中
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, uVirtKey1 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
Dim lp As taLong, i2 As t2Int

If Msg = WM_HOTKEY Then
If wParam = idHotKey Then
lp.ll = lParam
LSet i2 = lp
If (i2.lWord = Modifiers) And i2.hword = uVirtKey1 Then
Form1.Visible = Not Form1.Visible
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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