Bonjour,
Private Sub UserForm_Initialize() 'à l'initialisation de l'UserForm
Dim DernLign As Long
Set F = ActiveSheet
DernLign = F.Cells(Rows.Count, 1).End(xlUp).Row
tbl1 = F.Range("A3:S" & DernLign).Value
Dim Tbl2: ReDim Tbl2(1 To UBound(tbl1), 1 To 6)
col = 0
For Each k In Array(1, 15, 16, 17, 18, 19)
col = col + 1
For I = 1 To UBound(tbl1): Tbl2(I, col) = tbl1(I, k): Next I
Next k
Me.ListBox1.List = Tbl2
For Each k In Array(15, 16, 17, 18, 19)
Me.TextBox1 = Application.Sum(Me.TextBox6 & "!" & Range(Cells(3, k), Cells(DernLign, k)).Address)
Next k
End Sub