WPF Aero Glass DPI Setting Mismatch

Public Shared Function GetDpiAdjustedMargins(ByVal WindowHandle As IntPtr, ByVal Left As Integer, ByVal Right As Integer, ByVal Top As Integer, ByVal Bottom As Integer) As Margins
    '
    Dim Graphics As System.Drawing.Graphics = System.Drawing.Graphics.FromHwnd(WindowHandle)
    Dim DesktopDPIx As Single = Graphics.DpiX
    Dim DesktopDPIy As Single = Graphics.DpiY

    Dim Margins As Margins = New Margins
    Margins.Left = Left * (DesktopDPIx / 96)
    Margins.Right = Right * (DesktopDPIx / 96)
    Margins.Top = Top * (DesktopDPIx / 96)
    Margins.Bottom = Bottom * (DesktopDPIx / 96)
    Return Margins
    '
End Function