Dim Rng As Range
Sub a()
Call Step1
Call Step2
Call Step3
End Sub
Sub Step1()
Set Rng = Columns(10)
End Sub
Sub Step2()
Rng.Delete
End Sub
Sub Step3()
If Rng Is Nothing Then
MsgBox "Nothing"
Else
'If IsEmpty(Rng) Then
If IsNull(Rng) Then
MsgBox "Range supprimé"
Else
MsgBox Rng.Address
End If
End If
End Sub