I don't understand this example but for me to explain in general let's change the code so that we are talking about inches.
Me.Line0.Top = Nz(Me.LineTop, 0) * 1440
Me.Line0.Left = Nz(Me.LineLeft, 0) * 1440
Me.Line0.Width = Nz(Me.LineWidth, 0) * 1440
Me.Line0.Height = Nz(Me.LineHeight, 0) *...