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- VERSION 4.00
- Begin VB.Form frmMain
- Caption = "Text File Object Demo"
- ClientHeight = 6630
- ClientLeft = 675
- ClientTop = 375
- ClientWidth = 9510
- Height = 7035
- Left = 615
- LinkTopic = "Form1"
- ScaleHeight = 0
- ScaleMode = 3 'Pixel
- ScaleWidth = 0
- Top = 30
- Width = 9630
- Begin VB.CommandButton btnFind
- Caption = "Find &Next"
- Enabled = 0 'False
- Height = 510
- Index = 1
- Left = 4320
- TabIndex = 4
- Top = 5985
- Width = 1365
- End
- Begin VB.CommandButton btnFind
- Caption = "Find &First"
- Enabled = 0 'False
- Height = 510
- Index = 0
- Left = 2880
- TabIndex = 3
- Top = 5985
- Width = 1365
- End
- Begin VB.CommandButton btnLoadDirect
- Caption = "Load &Direct"
- Height = 495
- Left = 1215
- TabIndex = 2
- Top = 6000
- Width = 1575
- End
- Begin VB.CommandButton btnOpen
- Caption = "&Load"
- Height = 495
- Left = 90
- TabIndex = 1
- Top = 6030
- Width = 975
- End
- Begin VB.ListBox List1
- BeginProperty Font
- name = "Courier New"
- charset = 0
- weight = 400
- size = 9
- underline = 0 'False
- italic = 0 'False
- strikethrough = 0 'False
- EndProperty
- Height = 5685
- Left = 120
- TabIndex = 0
- Top = 120
- Width = 9255
- End
- Begin MSComDlg.CommonDialog CommonDialog1
- Left = 8910
- Top = 5940
- _Version = 65536
- _ExtentX = 847
- _ExtentY = 847
- _StockProps = 0
- End
- Attribute VB_Name = "frmMain"
- Attribute VB_Creatable = False
- Attribute VB_Exposed = False
- Option Explicit
- Private objTextFile As New TextFile
- Private Sub btnFind_Click(Index As Integer)
- Dim szMatch As String
- Dim nLineNum As Integer
- Select Case Index
- Case 0 '-- FindFirst
- szMatch = InputBox("Enter Search Term")
- If Len(szMatch) = 0 Then
- Exit Sub
- End If
-
- '-- Case-Insensitive Search
- nLineNum = objTextFile.FindFirst(szMatch, False)
-
- If nLineNum Then
- List1.TopIndex = nLineNum - 1
- btnFind(1).Enabled = True
- Else
- btnFind(1).Enabled = False
- End If
- Case 1
- '-- Case-Insensitive Search
- nLineNum = objTextFile.FindNext
-
- If nLineNum Then
- List1.TopIndex = nLineNum - 1
- btnFind(1).Enabled = True
- Else
- btnFind(1).Enabled = False
- End If
- End Select
- End Sub
- Private Sub btnLoadDirect_Click()
- Dim lIndex As Long
- '-- Get a text file name to open
- CommonDialog1.DialogTitle = "Open Text File"
- CommonDialog1.CancelError = True
- CommonDialog1.Filter = "Text (*.txt)"
- CommonDialog1.filename = "*.txt"
- On Error Resume Next
- CommonDialog1.Action = 1
- If Err Then Exit Sub
- Screen.MousePointer = vbHourglass
- '-- Load the file
- objTextFile.LoadListBox (CommonDialog1.filename), List1
- '-- Error loading?
- If objTextFile.ErrorNum Then
- MsgBox objTextFile.ErrorMsg, vbInformation, "TextFile Object Demo"
- Exit Sub
- End If
- btnFind(0).Enabled = False
- btnFind(1).Enabled = False
- Screen.MousePointer = vbNormal
- End Sub
- Private Sub btnOpen_Click()
- Dim lIndex As Long
- '-- Get a text file name to open
- CommonDialog1.DialogTitle = "Open Text File"
- CommonDialog1.CancelError = True
- CommonDialog1.Filter = "Text (*.txt)"
- CommonDialog1.filename = "*.txt"
- On Error Resume Next
- CommonDialog1.Action = 1
- If Err Then Exit Sub
- Screen.MousePointer = vbHourglass
- '-- Load the file
- objTextFile.Load (CommonDialog1.filename)
- '-- Error loading?
- If objTextFile.ErrorNum Then
- MsgBox objTextFile.ErrorMsg, vbInformation, "TextFile Object Demo"
- Exit Sub
- End If
- '-- Load the file in the list box
- List1.Clear
- On Error Resume Next
- For lIndex = 1 To objTextFile.Lines
- List1.AddItem objTextFile.Line(lIndex)
- If Err Then Stop
- Next
- btnFind(0).Enabled = True
- Screen.MousePointer = vbNormal
- End Sub
- Private Sub Form_Load()
- '-- Center the form
- Move (Screen.Width \ 2) - (Me.Width \ 2), (Screen.Height \ 2) - (Me.Height \ 2)
- End Sub
-