4.23.frm

来自「VB6.0应用例题」· FRM 代码 · 共 40 行

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "按值传递举例"
   ClientHeight    =   1125
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4365
   LinkTopic       =   "Form1"
   ScaleHeight     =   1125
   ScaleWidth      =   4365
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   495
      Left            =   2640
      TabIndex        =   0
      Top             =   240
      Width           =   1455
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Sub Command1_Click()
    Dim A%, B%
    A = 100: B = 900
    Print "A="; A, "B="; B
    Call Exchange1(A, B)
    Print "A="; A, "B="; B
End Sub
Sub Exchange1(ByVal X%, ByVal Y%)
Dim T%                  '中间变量
Print "X="; X, "Y="; Y
    T = X: X = Y: Y = T         '交换X、Y的值
    Print "X="; X, "Y="; Y
End Sub