Private Sub CheckBox1_Click(): checkingUSFbox CheckBox1: End Sub
Private Sub CheckBox2_Click(): checkingUSFbox CheckBox2: End Sub
Private Sub CheckBox3_Click(): checkingUSFbox CheckBox3: End Sub
Sub checkingUSFbox(check As msforms.CheckBox)
Dim chk As msforms.CheckBox, i&
If check.Value = True Then
For i = 1 To 3
Set chk = Me.Controls("CheckBox" & i)
If chk.Name <> check.Name Then chk.Value = False
Next
Select Case check.Name
Case "CheckBox1": 'faire ceci ou cela
Case "CheckBox2": 'faire ceci ou cela
Case "CheckBox3": 'faire ceci ou cela
End Select
End If
End Sub