例5.10 计算人口增长年数.frm

来自「蒋加伏主编VB程序设计第四版PPT及全部课本源码 北京邮电大学出版社 」· FRM 代码 · 共 35 行

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "例5.10  计算人口增长年数"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton Command1 
      Caption         =   "计算"
      Height          =   495
      Left            =   1800
      TabIndex        =   0
      Top             =   1320
      Width           =   1215
   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()
    x = 13
    n = 0
    Do While x < 26
       x = x * 1.008
       n = n + 1
    Loop
    Print "年数："; n, "人口（亿）："; x
End Sub