Как сделать крест или точку посередине экрана

Option Explicit
Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Declare Function GetWindowDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function Ellipse Lib "gdi32" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long
Private Declare Function CreateSolidBrush Lib "gdi32" (ByVal crColor As Long) As Long
Private Declare Function CreatePen Lib "gdi32" (ByVal nPenStyle As Long, ByVal nWidth As Long, ByVal crColor As Long) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hdc As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Private Const PS_SOLID = 0
Private Const PS_INSIDEFRAME = 6
 
Private Sub Command1_Click()
Dim DC As Long, hwnd As Long
Dim oBr As Long, Br As Long, oPn As Long, Pn As Long
Dim Color As Long ' Цвет
Dim X As Long, Y As Long, pWidth As Long ' Координаты толщина
Dim eX As Long, eY As Long
    Color = vbRed
    hwnd = GetDesktopWindow
    DC = GetWindowDC(hwnd)
    Br = CreateSolidBrush(Color)
    Pn = CreatePen(PS_SOLID Or PS_INSIDEFRAME, 1, Color)
    oBr = SelectObject(DC, Br)
    oPn = SelectObject(DC, Pn)
    ' Задаем координаты и толщину
    X = (Screen.Width / Screen.TwipsPerPixelX) / 2
    Y = (Screen.Height / Screen.TwipsPerPixelY) / 2
    pWidth = 4
    eX = X - (pWidth / 2)
    eY = Y - (pWidth / 2)
    Ellipse DC, eX, eY, eX + pWidth, eY + pWidth
    SelectObject DC, oPn
    SelectObject DC, oBr
    DeleteObject Br
    DeleteObject Pn
    ReleaseDC hwnd, DC
End Sub

        X = (Screen."1280" / Screen.TwipsPerPixelX) / 2
        Y = (Screen."1024" / Screen.TwipsPerPixelY) / 2