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XFile Version Differences
Differences Between V2.5.2 and V2.5.3
Issues resolved:
  • ActiveX upgrades from older versions of XFile to versions 2.5.1 or 2.5.2 did not complete properly due to the addition of the non-administrative installation option
    • The distributed XFile cab now only provides an administrative installation option. There is a separate per-user cab available by special request.
Differences Between V2.5.1 and V2.5.2
New Features:
  • In Windows Vista and above clients with Internet Explorer 7 and above, implemented the ability to save files to any accessible directory while Internet Explorer is running in protected mode.
Issues resolved:
  • Sending a regular GET request that doesn’t involve file download caused Internet Explorer to crash.
  • During downloads, turning on debug logging in the XFRequest object caused the “Unknown Error Occurred” error. In version 2.5.1, the same bug caused Internet Explorer to crash.
  • FileManager: FileManager’s "TextStream" object couldn’t properly read ANSI encoded text content and rendered it as question mark characters.
Differences Between V2.5.0 and V2.5.1

New Features:

  • Fully supports non-administrative ActiveX installation in Internet Explorer 8 on platforms running Windows Vista and later (for reference see MSDN article: Non-Admin ActiveX Controls)
  • Significantly improved performance of XFile ASP.NET samples using custom HTML client-side progress indicator
Differences Between V2.4.2 and V2.5.0

New Features:

Issues resolved:

  • Addressed the possible exposures to the security vulnerabilities in ATL described in Microsoft Security Bulletin MS09-035
  • In downloads with "UseWinInet" property set to false, the temp file for the last downloaded file was not getting deleted after the download is complete
  • In requests with chunked transfer-encoding turned on or "UseWinInet" property set to false, adding a cookie created a separate Cookie header
  • "Response" property returned duplicated server response after uploads over 2 GB, or with "TransferEncoding" property set to 1 or "UseWinInet" property set to false
  • FileManager's "FileExists" method did not recognize files with certain unicode characters in their name
  • FileManager's "GetFile" method threw error "The filename, directory name, or volume label syntax is incorrect" for files with unicode characters in their name
Differences Between V2.4.1 and V2.4.2
Issue resolved:

  • Downloads over SSL failed when UseWinInet disabled
  • Visual Progress Indicator showed incorrect Estimated Time and Bytes Transferred
  • Extra temp file created in USERPROFILE location on client machine during downloads
Differences Between V2.4.0 and V2.4.1
Issue resolved:
  • XFile version 2.4.0 did not send the custom X-Content-Length header required by FileUpEE for chunked uploads
  • Browser crashed when accessing certain parts of the XFResume object
  • Downloads over 4 GB with the visual control terminated before completion
Differences Between V2.3.4 and V2.4.0
Issue resolved:
  • Security fixes for buffer overflow vulnerabilities
  • Error: "Could not create RequestRecord" with resumable uploads and downloads
  • IE crashed when calling AddFormElement
  • Visual control and client-side progress indicator displayed incorrect size for files over 2 GB
  • Browser crashes during downloads
  • "Error: Source=null Description=null" masked true error
  • Large chunked 3-tier uploads failed
  • FileManager: Attributes property of File object was not working correctly
  • Filemanager: DeleteFolder method could not delete sub-folder
Differences Between V2.2.3 and V2.3.4
New Features:
  • Resumable uploads can now be done asynchronously. Previously, the Start method had an asynchronous option, but the Resume method did not*
  • TopFolder property now creates directory structure for storing resume info if the directories do not exist*
  • XFResume.IsOpen method was added to determine if the object is already open to a location*
*Available only in XFile Enterprise Edition
Issue Resolved:
  • Errors downloading files with long URL using the visual download control
  • Because of 2 GB limit in ASP.NET's maxRequestLength setting, XFile's threshold was lowered from 4 GB to 2 GB for automatically switching uploads to chunked transfer encoding and the custom HTTP client. (equivalent of setting oXFRequest.TransferEncoding = 1 and oXFRequest.UseWininet = false)
  • Certain cases were causing an "Operation timed out" even though no timeout occurred
  • TransferStatusChanged event did not return TransferCancelled status when user aborted the transfer
  • TransferStatusChanged event did not return TransferTimedOut status after client-side timeout
  • When SaveLocationPromptType set to 2, hitting cancel in the save dialog caused browser crash
  • When SaveLocationPromptType set to 1, hitting cancel in the folder dialog caused browser hang
  • If user cancelled uploads and TransferStatusChanged events were being handled, browser would sometimes crash
  • Chunked-encoded uploads caused erroneous timeout error
  • Files uploaded or downloaded with the visual objects did not appear "checked" if the upload completed through a resume operation
  • Calling RemoveAll on the visual upload and download controls did not remove files from the underlying file collection of the XFRequest object
  • Setting client-side timeout value to 0 caused browser freezing
  • Error thrown when xfclient.dll not registered referred to incorrect dll name
  • Buffer overrun in SSL transfers caused browser crash
  • Issue with XFResume.Close prevented the XFResume object from being reopened*
  • XFile returned non-JobId folders when checking ResumeInfo collection*
*XFile Enterprise Edition only
Differences Between V2.1.7 and V2.2.3
New Features:
  • Added new methods to sync events when XFile is run in scripting or VBA environments
  • New Event for the XFRequest object: OnStatusChange
Issue Resolved:
  • Changed the way cached headers were being added to the Resumed Request
  • When not using WinInet, sometimes Response headers were being lost
  • In some cases, chunked-transfer encoded downloads were not being correctly interpreted as failures
Differences Between V2.1.6 and V2.1.7
Issue Resolved:
  • Renamed WebClnt.Dll to XFClient.dll due to a naming conflict with a Windows XP dll
  • Under certain circumstances, the Request Record for resumable downloads would not be updated, resulting in the same file being concatenated with itself
  • In some cases, a DNS or Unresolvable Host error would return a Response Status of 0 and would not throw an exception
Differences Between V2.1.5 and V2.1.6
Issue Resolved:
  • Under some circumstances, authentication did not work
Differences Between V2.1.4 and V2.1.5
Issues Resolved:
  • On Windows 95/98/ME, using the Visual Upload Control (AXFFile) caused IE to crash intermittently
  • The Add File Selector for the Visual Upload Control (AXFFile) on some foreign versions of Windows did not render correctly
  • Some file view types (for the Add Files Selector) did not work on Windows XP
  • When forcing a multipart/form-data request that does not contain files, an extra CRLF appeared after the last form element
  • An error occurred when setting DiscardResponse to true when using the Visual Download Control (AXFFileDownload)
Differences Between V2.1.3 and V2.1.4
Issue Resolved:
  • The download folder selection dialog was missing the folder list view when used asynchronously
Differences Between V2.0.3 and V2.1.3
New Features:
  • Customize column headings for the upload and download visual controls.
  • New Property: FileNameColumnWidth = 0 - 100. This is the percentage of the width of the list view. Also, setting AXFFileDownload.HideURL to false now sets the width of the URL column to 0 or this property to 100.
  • Ability to disable the animated gif image in the progress indicator.
  • OpenAfterDownload functionality is now customizable.
  • New Property OpenAfterDownloadIndex on the XFrequest object. Possible values and their meaning:
    • 0: Open all files until the first error occurs, default for backwards compatibility
    • -1: Open all files, unless an error occurs for that file
    • i: Open only the specified index (1-based)
  • New method OpenInApplication() on the XFFile object. This can be used in conjunction with the DownloadError object to open files after download.
  • Ability to use our visual progress indicator with a non-visual file transfer: added the XFRequestStream property to the XFRequest object.
  • Added better control of File Selector (part of AXFFile). The following new properties and methods have been added:
    • FileViewType = SAFileViewType. The default is List. SAFileViewType { LargeIcons = 0, SmallIcons = 1 List = 2, Details = 3, Thumbnails = 4 }
    • FileSelectorWidth = 400 - 1200 pixels
    • FileSelectorHeight = 200 - 800 pixels
    • AddFileSelectorFilter(FilterDescription, FilterPattern) Description: The FilterDescription is a display string that describes the filter (for example, "Text Files"), and the FilterPattern specifies the pattern (for example, "*.TXT", "*.*", "a*.*", "*the*.*"). To specify multiple FilterPatterns for a single display string, use a semicolon to separate the patterns (for example, "*.TXT;*.DOC;*.BAK"). A pattern string can be a combination of valid file name characters and the asterisk (*) wildcard character. Do not include spaces in the pattern string.
    • ClearFileSelectorFilters Description: Clears all filters. The dialog will use "All Files (*.*)"
  • New Property: IsActive, used when XFile is executed asynchronously to determine if XFile is transferring a file or is capable of starting another transfer.
Issues Addressed:
  • When using XFile asynchronously the internal mime composer was being reset prematurely.
  • File selection dialog flickered.
  • Canceled property always returned True after Start() returned.
Differences Between V2.0.2 and V2.0.3
Issues Addressed:
  • When setting the property UseWinninet=False, multiple download requests will fail after the first one.
Differences Between V2.0 and V2.0.2
Issues Addressed:
  • Canceling a transfer when using WinInet was causing a "can't create file" exception and/or crashing IE.
  • URLEncoding failed on some special characters.
Differences Between V1.1.7 and V2.0
New Features:
  • Unlimited upload and download size.*
  • Resumable uploading and downloading.*
  • Support for Windows Integrated, Basic, and Anonymous authentication.
  • New properties that specify whether XFile should set a download destination directory or prompt users to select a directory for downloaded files.
  • Ability to check if an error occurred downloading one or more files.
*Available only in XFile Enterprise Edition
Differences Between V1.1.6 and V1.1.7
Issues Addressed:
  • Memory leak with each transfer request.
Differences Between V1.1.5 and V1.1.6
New Features:
  • Support for the request method Head. You can now set XFRequest.RequestMethod to "Head".
  • Dynamic Basic authentication - you can prompt users for user name and password if these are required but are not pre-defined.
Issues Addressed:
  • When uploading to a Windows 2000 server, cancelling the upload would freeze the browser.
  • In asynchronous transfers, events could not be sinked by the Visual Basic event handler.
  • Memory leak when transferring large form values.
  • In URL encoded POSTs (where enctype is "application/x-www-urlencoded") containing Unicode data, the data was not URL encoded. The Unicode data was converted to bytes using the current system's charset.
  • In POSTs that contain form data but do not contain files, an error occurred when the form data exceeded 4096 characters.
  • The ActiveX download control did not allow renaming of local files.
  • FileManager:
    • On Windows 2000, FileManager did not include the permission component Synchronize when applying the permission groups Execute, Modify, List, and Write to files and folders.
Differences Between V1.1.4 and V1.1.5
Issues Addressed:
  • FileManager:
    • The AllowAccess and DenyAccess methods failed on Windows 2000 and Windows XP.
Differences Between V1.1.3 and V1.1.4
Issues Addressed:
  • FileManager:
    • MD5 hashing failed on Windows 95, 98, and ME platforms.
    • The PermItem.RemoveEntry method failed when called to remove an item from the Permissions collection of a File or Folder object.
Differences Between V1.1.2 and V1.1.3
Issues Addressed:
  • FileManager:
    • Unable to access Drive property from File or Folder object with a UNC path.
    • Unable to set Owner for a folder.
Differences Between V1.1.1 and V1.1.2
Issues Addressed:
  • The visual upload control's Enabled property now works as both a parameter (<PARAM >) and a property.
  • Occasional crashes when posting more than 16 KB from a form.
  • Occasional crashes when using XFile asynchronously in a Visual Basic form.
  • FileManager Encryption/Decryption generated errors on Windows 95/98.
Differences Between V1.1 and V1.1.1
New Features:
  • The following properties are added to FileManager component.
    • AccountServer property is added to both File and Folder objects to resolve user account when changing ACLs. It's Read/Write.
    • Checksum property is added to File object to return the checksum value based on MD5 hashing algorithm. It's Read-Only.
Differences Between V1.08 and V1.1
New Features:
  • The ActiveX Visual Controls support following parameters with appropriate values.
    • AXFFile - ActiveX Upload Control
      • <PARAM NAME="EnableAddButton" VALUE="-1">
        <PARAM NAME="EnableRemoveButton" VALUE="-1">
        <PARAM NAME="EnableUploadButton" VALUE="0">
        <PARAM NAME="AddButtonText" VALUE="Add Files">
        <PARAM NAME="RemoveButtonText" VALUE="Remove Files">
        <PARAM NAME="UploadButtonText" VALUE="Upload Files">
    • AXFFileDownload - ActiveX download Control
      • <PARAM Name="HideURL" VALUE="0">
        <PARAM Name="EnablePopUpMenu" VALUE="-1">
    • AXFFileProgress - ActiveX transfer progress windows Control
      • <PARAM NAME="EnableCancelButton" VALUE="-1">
        <PARAM NAME="CancelButtonText" VALUE="Cancel">
        <PARAM NAME="HideURL" VALUE="0">
Issues Addressed:
  • When getting the Canceled property, there is pointer error returned..
  • When server side response page doesn't return anything, there is a "Insufficient memory" error message.
Differences Between V1.07 and V1.08
New Features:
  • The ActiveX upload control's Reset method now enables the control's Add button.
  • New XFRequest.Response optional parameter allows you to return one of three data types: string, array of variants, or array of bytes.
Differences Between V1.06 and V1.07
Issues Addressed:
  • Inability to access File object by passing index to AXFFile object's Files collection.
  • FileManager
    • TextStream memory leak when using the TextStream object to read lines longer than 128 characters.
    • DenyAccess method did not work correctly with the File object.
    • SearchWildCard property did not work with the Folder object.
Differences Between V1.01 and V1.06
New Features:
  • New RSA encryption types added: SARSAHIGH (3) and SARSALOW (4).
Issues Addressed:
  • Two Fish encryption/decryption failure on files larger than 1K.
  • Failure of RevertToSelf method in Visual Basic.
  • Trustee names on a remote NT member-server could not be displayed.
  • Access Control List (ACL) corruption after FileManager applied changes to ACLs on Windows NT system.
Differences Between V1.0 and V1.01
Issues Addressed:
  • The SAXFile ActiveX control no longer locks uploaded files.
  • Issues affecting FileManager enumerating root directories or files with Win95/98/Me platform have been resolved.
  • Files created with Archive no longer have issues hanging with certain directories.



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