Source code of Windows XP (NT5)
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117 lines
4.1 KiB

VERSION 5.00
Begin VB.UserControl ctlFileViewer
ClientHeight = 3600
ClientLeft = 0
ClientTop = 0
ClientWidth = 4800
ScaleHeight = 3600
ScaleWidth = 4800
Begin VB.TextBox txtFile
BackColor = &H8000000F&
Height = 2775
Left = 113
MultiLine = -1 'True
ScrollBars = 3 'Both
TabIndex = 0
Text = "FileViewerCtl.ctx":0000
Top = 600
Width = 4575
End
Begin VB.Label Label1
Caption = "File:"
Height = 255
Left = 113
TabIndex = 2
Top = 0
Width = 735
End
Begin VB.Label lblFileName
Caption = "File name goes here at runtime"
Height = 255
Left = 1193
TabIndex = 1
Top = 0
Width = 3495
End
End
Attribute VB_Name = "ctlFileViewer"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = True
Option Explicit
' ===========================================================================
' | THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF |
' | ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO |
' | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A |
' | PARTICULAR PURPOSE. |
' | Copyright (c) 1998-1999 Microsoft Corporation |
' ===========================================================================
' =============================================================================
' File: FileViewerCtl.ctl
' Project: FileViewerExtensionProj
' Type: User Control
' =============================================================================
' =============================================================================
' Method: DisplayFile
' Type: Public Method
' Description: Called by either the file viewer form or property page to
' display the contents of the file.
'
' Parameters: Path Fully qualified path of file to display
' Name Name of file to display
' Output: None
' Notes: Uses the FileSystemObject to read the contents of the file
' into a multi-line edit control.
' =============================================================================
'
Public Sub DisplayFile(Path As String, FileName As String)
On Error GoTo ErrTrap_DisplayFile
Dim fs As New Scripting.FileSystemObject
Dim ts As TextStream
lblFileName.Caption = FileName
Set ts = fs.OpenTextFile(Path, ForReading, TristateUseDefault)
txtFile.Text = ts.ReadAll
ts.Close
Exit Sub
' Error Handler for this method
ErrTrap_DisplayFile:
DisplayError "DisplayFile"
End Sub
' =============================================================================
' Method: DisplayError
' Type: Subroutine
' Description: A method to format and display a runtime error
' Parameters: szLocation A string identifying the source location
' (i.e. method name) where the error occurred
' Output: None
' Notes: The error will be displayed in a messagebox formatted as the
' following sample:
'
' Method: SomeMethodName
' Source: MMCListSubItems
' Error: 2527h (9511)
' Description: There is already an item in the collection that has the specified key
'
' =============================================================================
'
Private Sub DisplayError(szLocation As String)
MsgBox "Method:" & vbTab & vbTab & szLocation & vbCrLf _
& "Source:" & vbTab & vbTab & Err.Source & vbCrLf _
& "Error:" & vbTab & vbTab & Hex(Err.Number) & "h (" & CStr(Err.Number) & ")" & vbCrLf _
& "Description:" & vbTab & Err.Description, _
vbCritical, "FileViewerExtension Runtime Error"
End Sub