221 lines
8.4 KiB
Plaintext
221 lines
8.4 KiB
Plaintext
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VERSION 5.00
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Begin VB.PropertyPage ppgViewFile
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Caption = "File Viewer"
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ClientHeight = 3600
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ClientLeft = 0
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ClientTop = 0
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ClientWidth = 4800
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PaletteMode = 0 'Halftone
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ScaleHeight = 3600
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ScaleWidth = 4800
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Begin FileViewerExtensionProj.ctlFileViewer ViewerCtl
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Height = 3615
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Left = 0
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TabIndex = 0
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Top = 0
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Width = 4815
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_ExtentX = 8493
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_ExtentY = 6376
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End
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End
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Attribute VB_Name = "ppgViewFile"
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Attribute VB_GlobalNameSpace = False
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Attribute VB_Creatable = True
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Attribute VB_PredeclaredId = False
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Attribute VB_Exposed = True
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' ===========================================================================
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' | THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF |
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' | ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO |
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' | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A |
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' | PARTICULAR PURPOSE. |
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' | Copyright (c) 1998-1999 Microsoft Corporation |
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' ===========================================================================w
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' =============================================================================
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' File: ppgViewFile.pag
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' Project: FileViewerExtensionProj
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' Type: Property Page
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' =============================================================================
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Option Explicit
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Implements IMMCPropertyPage
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' When the property page is part of a multiple selection this variable holds the
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' index within SelectedControls() of the particular object for which the instance of
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' the property page is being displayed.
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Private m_Index As Integer
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' MMC API DLL function declarations
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Private Declare Function MMCPropertyHelp Lib "mssnapr.dll" (ByVal HelpTopic As String) As Long
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' =============================================================================
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' Method: IMMCPropertyPage_Initialize
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' Type: Interface method
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' Description: Called when the property page is created to pass the last
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' parameter from MMCPropertySheet.AddPage to the property page
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' Parameters: Data The final parameter from MMCPropertySheet.AddPage
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' Output: None
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' Notes: Store the parameter as the index of the file or folder for
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' which to display the file. Get the file name and initialize
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' the ctlFileViewer control.
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' Unlike a UserControl property page, SelectedControls(0) will
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' contain the MMCDataObject passed to
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' ExtensionSnapIn_CreatePropertyPages so that the property page
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' can access the data exported from the extended snap-in
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' (FileExplorer in this case).
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' =============================================================================
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'
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Private Sub IMMCPropertyPage_Initialize(ByVal Data As Variant, _
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ByVal PropertySheet As SnapInLib.MMCPropertySheet)
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On Error GoTo ErrTrap_IMMCPropertyPage_Initialize
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Dim FileNames() As String
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Dim FileName As String
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Dim Paths() As String
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Dim Path As String
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Dim DataObj As MMCDataObject
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Dim Index As Integer
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' Data is only passed when the property sheet is displayed for a multiple selection
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If Not VarType(Data) = vbError Then
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m_Index = Data
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End If
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Set DataObj = SelectedControls(0)
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' If there is only one file selected then get its file name and path directly from
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' the exported data. For multiple selection, FileExplorer exports arrays of
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' file names and paths. Use the index stored in IMMCPropertyPage_Initialize as the
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' index into the array (as passed to MMCPropertySheet.AddPage in
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' ExtensionSnapIn_CreatePropertyPages).
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If DataObj.GetFormat("File") Then
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FileName = DataObj.GetData("File")
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Path = DataObj.GetData("Path")
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ElseIf DataObj.GetFormat("Files") Then
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FileNames = DataObj.FormatData(DataObj.GetData("Files"), 1, siMultiString)
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Paths = DataObj.FormatData(DataObj.GetData("Paths"), 1, siMultiString)
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Path = Paths(m_Index)
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FileName = FileNames(m_Index)
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End If
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' Ask FileViewerCtl to display the contents of the file.
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ViewerCtl.DisplayFile Path, FileName
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Exit Sub
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' Error Handler for this method
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ErrTrap_IMMCPropertyPage_Initialize:
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DisplayError "IMMCPropertyPage_Initialize"
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End Sub
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' =============================================================================
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' Method: IMMCPropertyPage_Help
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' Type: Interface method
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' Description: Called when the user clicks the Help button on a property sheet
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'
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' Parameters: None
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' Output: None
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' Notes: Calls the MMC API function MMCPropertyHelp() to display a topic
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' from FileExlporer's merged help file.
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' =============================================================================
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'
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Private Sub IMMCPropertyPage_Help()
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MMCPropertyHelp "VBSnapInsSamples.chm::VBSnapInsSamples/VBSnapInsSamples_35.htm"
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End Sub
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' =============================================================================
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' Method: IMMCPropertyPage_GetDialogUnitSize
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' Type: Interface method
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' Description: Called when the property page is about to be created to allow
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' the page to specify its size in dialog units.
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'
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' Parameters: None
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' Output: None
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' Notes: Returns the recommended height and width values for a snap-in
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' property page.
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' =============================================================================
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'
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Private Sub IMMCPropertyPage_GetDialogUnitSize(Height As Variant, Width As Variant)
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Height = 218
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Width = 252
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End Sub
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' =============================================================================
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' Method: IMMCPropertyPage_QueryCancel
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' Type: Interface method
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' Description: Called when the user cancels the property sheet or wizard by
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' pressing Esc, clicking the Cancel button, or clicking the 'X'
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' button in the upper right corner.
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'
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' Parameters: Allow - set to False to prevent the sheet or wizard from closing.
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' Output: None
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' Notes: None
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' =============================================================================
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'
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Private Sub IMMCPropertyPage_QueryCancel(Allow As Boolean)
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End Sub
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' =============================================================================
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' Method: IMMCPropertyPage_Cancel
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' Type: Interface method
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' Description: Called when a property sheet or wizard is closed because the
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' user clicked the Cancel button.
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'
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' Parameters: None
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' Output: None
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' Notes: None
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' =============================================================================
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'
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Private Sub IMMCPropertyPage_Cancel()
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End Sub
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' =============================================================================
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' Method: IMMCPropertyPage_Close
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' Type: Interface method
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' Description: Called when a property sheet or wizard is closed because the
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' user clicked the 'X' button in the upper right corner.
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'
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' Parameters: None
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' Output: None
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' Notes: None
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' =============================================================================
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'
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Private Sub IMMCPropertyPage_Close()
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End Sub
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' =============================================================================
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' Method: DisplayError
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' Type: Subroutine
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' Description: A method to format and display a runtime error
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' Parameters: szLocation A string identifying the source location
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' (i.e. method name) where the error occurred
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' Output: None
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' Notes: The error will be displayed in a messagebox formatted as the
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' following sample:
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'
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' Method: SomeMethodName
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' Source: MMCListSubItems
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' Error: 2527h (9511)
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' Description: There is already an item in the collection that has the specified key
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'
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' =============================================================================
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'
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Private Sub DisplayError(szLocation As String)
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MsgBox "Method:" & vbTab & vbTab & szLocation & vbCrLf _
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& "Source:" & vbTab & vbTab & Err.Source & vbCrLf _
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& "Error:" & vbTab & vbTab & Hex(Err.Number) & "h (" & CStr(Err.Number) & ")" & vbCrLf _
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& "Description:" & vbTab & Err.Description, _
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vbCritical, "FileViewerExtension Runtime Error"
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End Sub
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