单击命令按钮后，下列程序代码的执行结果是______ 。 Public Sub fun (Byval a () As Integer) Static n As Integer Do a(n) = a (n) + a(n + 1) n = n + 1 Loop While n ＜ 3 End Sub Private Sub command1_ click() Dim m As Integer, n As Integer, a(10) As Integer For n = 0 To 2: a(n) = n + 1: Next n For n = 1 To 2: Call fun(a): Next n For n = 0 To 3: Print a(n): Next n End Sub