form1.frm

Visual Basic程序设计视频教程

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   2880
   ClientLeft      =   60
   ClientTop       =   360
   ClientWidth     =   4410
   LinkTopic       =   "Form1"
   ScaleHeight     =   2880
   ScaleWidth      =   4410
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "常量作为实参"
      Height          =   495
      Left            =   2640
      TabIndex        =   1
      Top             =   1920
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "变量作为实参"
      Height          =   495
      Left            =   480
      TabIndex        =   0
      Top             =   1920
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Sub Increment(i)
    i = i + 1
    Print "i ="; i
End Sub
Private Sub Command1_Click()
    x = 10
    Call Increment(i:=x)    ' 实际参数是变量
    Print "x="; x
End Sub

Private Sub Command2_Click()
    Call Increment(i:=10)   ' 实际参数是常数值
End Sub