Sub a()
[B1].ClearContents
[A1].Value = "TEST 1"
[A1].Copy
[B1].PasteSpecial xlPasteAll
Application.CutCopyMode = False
Application.Wait Now + TimeSerial(0, 0, 2)
[B1].ClearContents
[A1].Value = "TEST 2"
[A1].Copy
Application.DisplayFullScreen = False 'plein écran
'--------------------------------------------------------
'Chacune des instructions suivantes bousille le Clipboard
'--------------------------------------------------------
'ActiveWindow.DisplayHeadings = True
'ActiveWindow.DisplayGridlines = True
'Application.DisplayFormulaBar = True
'ActiveWindow.DisplayWorkbookTabs = True
'Application.DisplayStatusBar = True
On Error Resume Next
[B1].PasteSpecial xlPasteAll
If Err.Number <> 0 Then MsgBox "Impossible de coller !"
On Error GoTo 0
Application.CutCopyMode = False
End Sub