Sub plotLuff()
Dim myChart As Chart
Dim oChart As ChartObject
Dim wsL As Worksheet
Dim wsR As Worksheet
Set wsL = ActiveWorkbook.Worksheets("Data")
Set wsR = ActiveWorkbook.Worksheets("Results")
'Créer le graph
wsR.Activate
Cells.Clear
ActiveSheet.DrawingObjects.Delete
wsR.Range("A1").Select
Set oChart = ActiveSheet.ChartObjects.add(Left:=0, Width:=200, Top:=0, Height:=400)
Set myChart = oChart.Chart
myChart.ChartType = xlXYScatterSmoothNoMarkers
myChart.HasTitle = True
myChart.ChartTitle.Text = "Mon titre de graph"
myChart.HasLegend = True
' Effacer les séries inutiles
Do Until myChart.SeriesCollection.Count = 0
myChart.SeriesCollection(1).Delete
Loop
' Remplir le graph
Dim i As Integer
Dim nbLoadCase As Integer
nbLoadCase = 2
For i = 1 To nbLoadCase
myChart.SeriesCollection.NewSeries
myChart.SeriesCollection(i).Name = "LoadCase" & CStr(i)
myChart.SeriesCollection(i).XValues = "=$F$6:$F$10"
myChart.SeriesCollection(i).Values = "=$G$6:$G$10"
Next
ActiveWorkbook.Save
End Sub