Determinar el tamaño de la pantalla utilizando VBA en Microsoft Excel

Declare Function GetSystemMetrics32 Lib "User32" _

Alias "GetSystemMetrics" (ByVal nIndex As Long) As Long

Sub DisplayMonitorInfo()

Dim w As Long, h As Long

w = GetSystemMetrics32(0) ' width in points

h = GetSystemMetrics32(1) ' height in points

MsgBox Format(w, "#,##0") & " x " & Format(h, "#,##0"), _

vbInformation, "Monitor Size (width x height)"

End Sub