Выравнивание формы по центру мгновенное (API)

'Мгновенное выравнивание формы по центру    
'Form.PopUp Property = True !!! (or Modal = True)
'--------------------------------------------------------------------------
'По материалам: http://www.cyberforum.ru/ms-access/thread2140997.html
'--------------------------------------------------------------------------
#If VBA7 Then
    Private Declare PtrSafe Function GetSystemMetrics Lib "user32.dll" (ByVal nIndex As Long) As Long
    Private Declare PtrSafe Function apiGetDeviceCaps Lib "gdi32" Alias "GetDeviceCaps" (ByVal hdc As Long, ByVal nIndex As Long) As Long
    Private Declare PtrSafe Function apiGetDC Lib "user32" Alias "GetDC" (ByVal hWnd As Long) As Long
    Private Declare PtrSafe Function SetWindowPos Lib "user32" (ByVal hWnd As Long, ByVal hwndInsertAfter As Long, ByVal x As Long, ByVal Y As Long, _
                ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long

#Else
    Private Declare Function GetSystemMetrics Lib "user32.dll" (ByVal nIndex As Long) As Long
    Private Declare Function apiGetDeviceCaps Lib "gdi32" Alias "GetDeviceCaps" (ByVal hdc As Long, ByVal nIndex As Long) As Long
    Private Declare Function apiGetDC Lib "user32" Alias "GetDC" (ByVal hWnd As Long) As Long
    Private Declare Function SetWindowPos Lib "user32" (ByVal hWnd As Long, ByVal hwndInsertAfter As Long, ByVal x As Long, ByVal Y As Long, _
                ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
#End If
Private Const SM_CXSCREEN = 0, SM_CYSCREEN = 1
Private Const TwipsPerInch = 1440
Private Const LOGPIXELSY = 90
Private Const LOGPIXELSX = 88
Private Const SWP_NOSIZE = &H1

Private Sub Form_Load()
    hidde_on 'Скрытие окна приложения
End Sub

Private Sub Form_Open(Cancel As Integer)
Dim x&, Y&, Z&
    x = (GetSystemMetrics(SM_CXSCREEN)) / 2 - (Me.WindowWidth / (TwipsPerInch / apiGetDeviceCaps(apiGetDC(0&), LOGPIXELSX))) / 2
    Y = (GetSystemMetrics(SM_CYSCREEN)) / 2 - (Me.WindowHeight / (TwipsPerInch / apiGetDeviceCaps(apiGetDC(0&), LOGPIXELSX))) / 2
    Z = SetWindowPos(Me.hWnd, 0, x, Y, 0, 0, SWP_NOSIZE)
End Sub