Option Explicit
Sub CoordonneesGraphes()
Dim Ch As ChartObject
Dim sNomGraphe As String
Dim Graphe As ChartObject
ShDatas.Activate
For Each Ch In ShDatas.ChartObjects
sNomGraphe = Ch.Name
Set Graphe = ShDatas.ChartObjects(sNomGraphe)
With Graphe
Debug.Print .TopLeftCell.Address, .BottomRightCell.Address
End With
Next Ch
Set Graphe = Nothing
End Sub