MsgBox "Nb de lignes à copier : " & Lastrow
Nblignes = wsDest.Range("Tab_c[" & tDest(1) & "]").Rows.Count
Nblignes = IIf(Nblignes = 1, 0, Nblignes)
For i = LBound(tDest) To UBound(tDest)
wsDest.Range("Tab_c[" & tDest(i) & "]").Offset(Nblignes).Resize(Lastrow) = .Range("Tab_source[" & tSource(i) & "]").Value
Next i