form2.frm

次程序基本实现微软的记事本功能

VERSION 5.00
Begin VB.Form Form2 
   Caption         =   "Form2"
   ClientHeight    =   3090
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form2"
   ScaleHeight     =   3090
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1080
      TabIndex        =   5
      Text            =   "Text1"
      Top             =   240
      Width           =   1335
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   1080
      TabIndex        =   4
      Text            =   "Text1"
      Top             =   720
      Width           =   1335
   End
   Begin VB.CommandButton Command1 
      Caption         =   "查找下一个"
      Height          =   375
      Left            =   3120
      TabIndex        =   3
      Top             =   240
      Width           =   1335
   End
   Begin VB.CommandButton Command2 
      Caption         =   "替换"
      Height          =   375
      Left            =   3120
      TabIndex        =   2
      Top             =   720
      Width           =   1335
   End
   Begin VB.CommandButton Command3 
      Caption         =   "全部替换"
      Height          =   375
      Left            =   3120
      TabIndex        =   1
      Top             =   1200
      Width           =   1335
   End
   Begin VB.CommandButton Command4 
      Caption         =   "取消"
      Height          =   375
      Left            =   3120
      TabIndex        =   0
      Top             =   1680
      Width           =   1335
   End
   Begin VB.Label Label1 
      Caption         =   "查找内容："
      Height          =   255
      Left            =   120
      TabIndex        =   7
      Top             =   240
      Width           =   975
   End
   Begin VB.Label Label2 
      Caption         =   "替换为："
      Height          =   255
      Left            =   120
      TabIndex        =   6
      Top             =   840
      Width           =   975
   End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim ask As Integer
Private Sub Command1_Click()
If Form1.RichTextBox1.SelStart <> 0 Then
Form1.RichTextBox1.SelStart = Form1.RichTextBox1.SelStart + Form1.RichTextBox1.SelLength
End If
Form1.RichTextBox1.Find Text1.Text, , Len(Form1.RichTextBox1)
If Form1.RichTextBox1.SelText = "" Then
ask = MsgBox("没有找到" + Text1.Text, vbOKOnly)
End If
End Sub

Private Sub Command2_Click()
If Form1.RichTextBox1.SelText = "" Then
ask = MsgBox("没有找到" + Text1.Text, vbOKOnly)
Else
Form1.RichTextBox1.SelText = Text2.Text
End If
Form1.RichTextBox1.SelStart = Form1.RichTextBox1.SelStart + Form1.RichTextBox1.SelLength
Form1.RichTextBox1.Find Text1.Text, , Len(Form1.RichTextBox1)
End Sub

Private Sub Command3_Click()
Command1_Click
Do While (Form1.RichTextBox1.SelText <> "")
   Form1.RichTextBox1.SelText = Text2.Text
   Form1.RichTextBox1.SelStart = Form1.RichTextBox1.SelStart + Form1.RichTextBox1.SelLength
   Form1.RichTextBox1.Find Text1.Text, , Len(Form1.RichTextBox1)
   If Form1.RichTextBox1.SelText = "" Then Exit Do
Loop
End Sub

Private Sub Command4_Click()
Unload Me
End Sub

Private Sub Form_Load()
Text1.Text = ""
Text2.Text = ""
If Text1.Text = "" Then
Command1.Enabled = False
Command2.Enabled = False
Command3.Enabled = False
Else
Command1.Enabled = True
Command2.Enabled = True
Command3.Enabled = True
End If
End Sub

Private Sub Text1_Change()
If Text1.Text = "" Then
Command1.Enabled = False
Command2.Enabled = False
Command3.Enabled = False
Else
Command1.Enabled = True
Command2.Enabled = True
Command3.Enabled = True
End If
End Sub