hide ribbon in excel by vba

 Sub RemoveToolbars()

    On Error Resume Next

        With Application

           .DisplayFullScreen = True

           .CommandBars("Full Screen").Visible = False

           .CommandBars("MyToolbar").Enabled = True

           .CommandBars("MyToolbar").Visible = True

           .CommandBars("Worksheet Menu Bar").Enabled = False

        End With

    On Error GoTo 0

End Sub