Private Sub Tri_Click()
Dim a(), nbcol
a = Me.ListBox1.List
nbcol = UBound(a, 2) - LBound(a, 2) + 1
Call Tri2(a(), LBound(a), UBound(a), nbcol, 1)
Me.ListBox1.List = a
End Sub
Sub Tri2(a(), gauc, droi, nbcol, colTri) ' Quick sort
ref = a((gauc + droi) \ 2, colTri)
g = gauc: d = droi
Do
Do While a(g, colTri) < ref: g = g + 1: Loop
Do While ref < a(d, colTri): d = d - 1: Loop
If g <= d Then
For C = 0 To nbcol - 1
temp = a(g, C): a(g, C) = a(d, C): a(d, C) = temp
Next
g = g + 1: d = d - 1
End If
Loop While g <= d
If g < droi Then Call Tri2(a, g, droi, nbcol, colTri)
If gauc < d Then Call Tri2(a, gauc, d, nbcol, colTri)
End Sub