a = ""
b = 0
For i = 0 To ListBox1.ListCount - 1
If ListBox1.Selected(i) = True Then
b = b + 1
If b > 1 Then
a = a & Chr(10) & ListBox1.List(i)
Else
a = ListBox1.List(i)
End If
End If
Next i
a = a & Chr(10) & TextBox14
Sheets("feuil1").Range("e" & ligne) = a