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［二级VB试题天天练］VB考试试题16

作者：佚名文章来源：不详点击数更新时间：2008/4/18 14:49:44 文章录入：杜斌责任编辑：杜斌

20.过程函数练习（1）
上机试试看下列程序的运行结果，
然后把语句“Dim sum As Integer”换成“Static Sum As Integer”再试试看——
Private Sub Command1_Click()
Dim A As Long
A = P(1) + P(2) + P(3) + P(4)
Print A
End Sub
Private Function P(N As Integer)
    Dim i As Integer
    Dim sum As Integer
    For i = 1 To N
        sum = sum + i
    Next
    P = sum
End Function

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