How to rotate labels? VBA Chart Excel

Hi everyone, can I ask how can I rotate the label of this chart using VBA?

Thank you.

This is my codes:

Private Sub OptionButton1_Click()
Dim wks As Worksheet
For Each wks In Worksheets
    If wks.ChartObjects.Count > 0 Then
    End If
Next wks

Dim rng As Range
Dim cht As ChartObject
Set rng = ActiveWorkbook.Sheets("REPORT DATA").Range("D2:AI10")
  Set cht = ActiveSheet.ChartObjects.Add( _
    Left:=ActiveCell.Left, _
    Width:=1180, _
    Top:=ActiveCell.Top, _
  If Range("I38") >= Range("K38") Then
  MsgBox "Wrong date value, please check your enrty.", vbCritical, "Error"
  cht.Chart.SetSourceData Source:=rng
  cht.Chart.ChartType = xlXYScatterLines
  cht.Chart.SetElement (msoElementDataLabelCenter)
  cht.Chart.ChartArea.Format.TextFrame2.TextRange.Font.size = 8
  cht.Chart.HasTitle = True
  cht.Chart.ChartTitle.Text = "LEONARDO - MounterTrace Size with Index Line 1 to 8"
  cht.Chart.Axes(xlCategory).MinimumScale = Range("I38")
  cht.Chart.Axes(xlCategory).MaximumScale = Range("K38")
  cht.Chart.ChartArea.Format.Fill.Visible = msoFalse
  cht.Chart.PlotArea.Format.Fill.Visible = msoFalse
  End If
End Sub

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Rowel VirgoVisual Studio .NETAsked:
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Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
try add this piece of codes:

Dim ser As Series, pt As Point
        For Each ser In cht.Chart.SeriesCollection
            For Each pt In ser.Points
                pt.DataLabel.Orientation = xlUpward

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DataLabel.Orientation Property (Excel)

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Rowel VirgoVisual Studio .NETAuthor Commented:
Already added to my file. Thanks it works...
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