Private Sub CommandButton1_Click()
Dim i As Integer
Dim Rng As Range
Const FeuilleSélection = "Feuil1"
For i = 1 To 36
If Me.Controls("CheckBox_" & i).Value Then
If Rng Is Nothing Then
Set Rng = ThisWorkbook.Worksheets(FeuilleSélection).Cells(1, i)
Else
Set Rng = Union(Rng, ThisWorkbook.Worksheets(FeuilleSélection).Cells(1, i))
End If
End If
Next i
If Not Rng Is Nothing Then Rng.Select
Unload UserForm1
End Sub