form1.frm

四）练习该实验的目的和思路： 程序开始变得复杂起来

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "龙彦冰：P110-5-2"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5265
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   5265
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   375
      Left            =   3840
      TabIndex        =   3
      Top             =   2640
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "清除"
      Height          =   375
      Left            =   2520
      TabIndex        =   2
      Top             =   2640
      Width           =   1095
   End
   Begin VB.TextBox Text2 
      Height          =   975
      Left            =   360
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   1
      Top             =   1200
      Width           =   4575
   End
   Begin VB.TextBox Text1 
      Height          =   975
      Left            =   360
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   0
      Top             =   120
      Width           =   4575
   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()
Text1.Text = ""
Text2.Text = ""
End Sub

Private Sub Command2_Click()
End
End Sub

Private Sub Form_Load()

End Sub

Private Sub Text1_Change()
Text2.Text = Text1.Text
End Sub

Private Sub Text2_Change()
Text1.Text = Text2.Text
End Sub