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Private Sub Form_Load()
    Show
     Dim ret As Long
     preWinProc = GetWindowLong(Me.hwnd, GWL_WNDPROC)     '��¼ԭ����window��
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     ret = SetWindowLong(Me.hwnd, GWL_WNDPROC, AddressOf wndproc)     '���Զ�
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     idHotKey = 1       'in the range ��h0000 through ��hBFFF
     Modifiers = MOD_CONTROL 'MOD_ALT + MOD_SHIFT
     uVirtKey = vbKeyH   'vbKeyG
     ret = RegisterHotKey(Me.hwnd, idHotKey, Modifiers, uVirtKey) 'ע�ᷢ����
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End Sub
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    Option Explicit
    Public RemoteName As String
    Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVa
l hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
    Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVa
l hwnd As Long, ByVal nIndex As Long) As Long
    Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (By
Val lpPrevWndFunc As Long, ByVal hwnd As Long, ByVal msg As Long, ByVal wPar
am 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, ByVa
l id As Long) As Long
    Public Const WM_HOTKEY = &H312
    'Public Const MOD_ALT = &H1          'Alt
    Public Const MOD_CONTROL = &H2      'Ctrl
    'Public Const MOD_SHIFT = &H4        'Shift
    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
                Debug.Print "HotKey Ctrl+ {Enter} Pressed "
                'Shell "notepad", vbNormalFocus
               'MsgBox "OK"
                If frmMain.Visible And frmMain.WindowState = vbNormal Then
                    frmMain.Hide  '�ȼ�ִ�в���
                Else
                    frmMain.Show
                    frmMain.WindowState = vbNormal
                End If
            End If
        End If
    End If
     '������ȼ���Ϣ�����ԭ���ij���
     wndproc = CallWindowProc(preWinProc, hwnd, msg, wParam, lParam)
    End Function


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