在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub Command1_Click( ) Dim n As Integer For n = 0 To 9 Step 3 Print re1(n); Next n End Sub Private Function re1(ByVal i As Integer)As Integer Dim x As Integer x = 0 For j = 1 To i If i < 5 Then re1 = i: Exit Function x = x + j Next j re1 = x End Function 程序运行后,单击命令按钮,则窗体上显示的内容是________。