align 0 on both axis excel code example

Example: align 0 on both axis excel

' Helper Macros
    Sub AlignY_PrimaryMinimum()
      AlignY 1
    End Sub

    Sub AlignY_PrimaryMaximum()
      AlignY 2
    End Sub

    Sub AlignY_SecondaryMinimum()
      AlignY 3
    End Sub

    Sub AlignY_SecondaryMaximum()
      AlignY 4
    End Sub

    ' The Main Event
    Sub AlignY(FreeParam As Integer)
      '' FreeParam: AXIS ALLOWED TO VARY
      '' 1: Y1 (PRI) MIN
      '' 2: Y1 (PRI) MAX
      '' 3: Y2 (SEC) MIN
      '' 4: Y2 (SEC) MAX

      Dim Y1min As Double
      Dim Y1max As Double
      Dim Y2min As Double
      Dim Y2max As Double

      With ActiveChart
        With .Axes(2, 1)
          Y1min = .MinimumScale
          Y1max = .MaximumScale
          .MinimumScaleIsAuto = False
          .MaximumScaleIsAuto = False
        End With
        With .Axes(2, 2)
          Y2min = .MinimumScale
          Y2max = .MaximumScale
          .MinimumScaleIsAuto = False
          .MaximumScaleIsAuto = False
        End With
        Select Case FreeParam
          Case 1
            If Y2max <> 0 Then _
              .Axes(2, 1).MinimumScale = Y2min * Y1max / Y2max
          Case 2
            If Y2min <> 0 Then _
              .Axes(2, 1).MaximumScale = Y1min * Y2max / Y2min
          Case 3
            If Y1max <> 0 Then _
              .Axes(2, 2).MinimumScale = Y1min * Y2max / Y1max
          Case 4
            If Y1min <> 0 Then _
              .Axes(2, 2).MaximumScale = Y2min * Y1max / Y1min
        End Select
      End With
    End Sub