Public Function CreateKotKeyCtrl(pctParent As PictureBox) As Long
    Dim hwnd As Long
    Dim hFont As Long
 
    hwnd = CreateWindowEx( _
        0, _
        HOTKEY_CLASS, _
        "", _
        WS_CHILD Or WS_VISIBLE, _
        0, 0, _
        pctParent.Width / Screen.TwipsPerPixelX, _
        pctParent.Height / Screen.TwipsPerPixelY, _
        pctParent.hwnd, _
        0, _
        0, _
        0 _
        )
 
     Call SendMessage(hwnd, HKM_SETRULES, _
        HKCOMB_NONE Or HKCOMB_S, _
        MAKELPARAM(HOTKEYF_ALT, 0))
    
    hFont = SendMessage(pctParent.hwnd, WM_GETFONT, 0, 0)
    Call SendMessage(hwnd, WM_SETFONT, hFont, -1)
    
    CreateKotKeyCtrl = hwnd
End Function


'自前のウィンドウプロシージャ
Public Function MainFormWindowProc(ByVal hwnd As Long, ByVal uMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
    On Error GoTo ErrorHandle
    
    Select Case uMsg
    Case WM_HOTKEY
        If Right$(Hex$(wParam), 4) = Hex$(nHotKeyID) Then
            Call MsgBox("HotKey Push!")
        End If
    End Select
    
    'デフォルトのウィンドウプロシージャを呼び出す
    MainFormWindowProc = CallWindowProc(lngDefaultProc, hwnd, uMsg, wParam, lParam)
    
    Exit Function
    
ErrorHandle:
    Debug.Print Err.Number & " : " & Err.Description
    Resume Next
End Function