Private Sub UserForm_Initialize()
Dim t, d As Object, i&, a
t = Feuil1.ListObjects(1).DataBodyRange.Resize(, 2) 'tableau VBA, plus rapide, au moins 2 éléments
Set d = CreateObject("Scripting.Dictionary")
d.CompareMode = vbTextCompare 'la casse est ignorée
For i = 1 To UBound(t)
If t(i, 2) <> "" Then d(t(i, 2)) = ""
Next
If d.Count = 0 Then Exit Sub
a = d.keys
tri a, 0, UBound(a)
ListBox1.List = a
End Sub
Sub tri(a, gauc, droi) ' Quick sort
Dim ref, g, d, temp
ref = a((gauc + droi) \ 2)
g = gauc: d = droi
Do
Do While a(g) < ref: g = g + 1: Loop
Do While ref < a(d): d = d - 1: Loop
If g <= d Then
temp = a(g): a(g) = a(d): a(d) = temp
g = g + 1: d = d - 1
End If
Loop While g <= d
If g < droi Then Call tri(a, g, droi)
If gauc < d Then Call tri(a, gauc, d)
End Sub