例4.12.frm

来自「vb编程+从基础到实践光盘代码」· FRM 代码 · 共 51 行

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Txt1 
      Height          =   495
      Left            =   1680
      TabIndex        =   1
      Top             =   720
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "不定数量的参数"
      Height          =   495
      Left            =   1320
      TabIndex        =   0
      Top             =   2040
      Width           =   1935
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    Dim intSum As Integer
    intSum = mysum(1, 2, 3, 4, 5)             '可以使用任意多个实参来调用
    Txt1.Text = intSum
End Sub

Function mysum(ParamArray var1()) As Integer
                                              '声明为可以接受不定数量的参数
    Dim int1 As Integer
    Dim intSum As Integer
    intSum = 0
    For int1 = LBound(var1) To UBound(var1)
                                              '得到数组的大小，并进行循环
        intSum = intSum + var1(int1)
    Next
    mysum = intSum                            '返回累加的计算结果
End Function