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Text File | 1996-06-26 | 48KB | 1,027 lines

ZIP'R Professional For Windows Revision File 06-26-96 ■ Version 2.25 . Enhanced the appearance of the Register, About, and Registration Information dialog boxes. . Implemented a fix in a vendor's library for the compression routines used for Internal ZIP compression. STSI regrets to report that we found a data-corruption bug in our vendor's compression library. After reporting the bug and waiting several weeks, the vendor was finally able to fix the problem. We recommend that all current users obtain a copy of the latest version of PKUNZIP.EXE, and test any compressed files for possible errors. The data corruption bug appears to be somewhat obscure. In the unlikely event that you do find a bad compressed file, PKUNZIP will report a CRC error on the file. In this case, you will need to restore the compressed file from a recent backup. We apologize for any inconvenience to our users. . Converted all FindFirst/FindNext routines to use Delphi strings instead of character arrays. Added FindClose statements to all FindFirst/FindNext procedures. . Fixed an obscure problem where the compressed file could be accidentally deleted if the following conditions existed: PKZip or Internal ZIP was used, Update option was turned ON, a leftover user signal file (.U00, etc) existed, a leftover program signal file (.P00) did not exist, selective extraction and selective exclusion were OFF, and the program was not being compressed to a floppy disk. (It is highly unlikely that a leftover .U00 file would exist without a corresponding leftover .P00 file.) 09-20-95 ■ Version 2.24 . Integrated a new XEXEC.DLL file as instructed by a library author. This new file eliminates a problem under Windows 95 when attempting to use PKZIP, ARJ, or LHA. Previously, an error message similar to "Unknown PKZIP Error!" would appear after attempting to compress or decompress a program using a DOS-based compressor. (XEXEC.DLL was returning random faulty exit codes from the executing program, resulting in this error.) . Changed the behavior of the editing screen to automatically check the "Update" check box when Internal Zip compression is selected as the Compression Type. (Update option is on by default for Internal Zip compression.) . Fixed an obscure cosmetic problem where the tabset on the bottom of the editing screen would lose its synchronization with the current notebook page. If the user saved a ZPW file while the Advanced page was displayed, the next time the editing screen was displayed, the Standard page would be shown, but the Advanced tab would still be highlighted. Verified that new code will always display the Standard page with the Standard tab highlighted. . Changed the ZIP'R Pro desktop to be maximized on startup, instead of using absolute window size coordinates. . Enlarged the size of the speed buttons on the ZIP'R Pro desktop, and added a caption to each button for better clarity. 08-16-95 ■ Version 2.23 . Added keyboard quick-key support to all of the dialog boxes to allow keyboard users to use key combinations for highlighting the various controls. . Fixed a problem where the PIF files (PKZIP.PIF, PKUNZIP.PIF, ARJ.PIF, and LHA.PIF) were not being used when executing one of the external compressors. Instead the window title of the external compressor would say "COMMAND" (for COMMAND.COM). This was due to a problem introduced in version 2.22 where a secondary command processor was always being used prior to executing the actual external compressor. This problem would also cause any exit code from the external compressor (PKZIP.EXE, PKUNZIP.EXE, ARJ.EXE, or LHA.EXE) to be lost, and consequently, not reported to the user. 07-25-95 ■ Version 2.22 . Changed the destination of the files XADOS.EXE, XANT.EXE, XAOS2.EXE, and XAWIN16.EXE to be copied into the Windows System directory instead of the ZIP'R Pro For Windows directory when the setup program is executed. This is necessary to fix an error message ("Agent Not Installed") that occurs under a beta version of Windows 95. If the "agents" named above are located in the Windows System directory, the calling function within ZIP'R Pro will always be able to find them. Users upgrading from a previous version can delete the following files out of the \ZPROWIN sub-directory: XADOS.EXE ZPROCESS.EXE XANT.EXE ZPROCESS.OVR XAOS2.EXE ZPROCESS.REV XAWIN16.EXE . Fixed a problem where the calculation to determine free space on the computer user's hard drive was not working properly. The value being returned was not declared as a "var" parameter. This could cause users to see an error message that there was insufficient disk space available on their hard drive. An error message would have been displayed, indicating that they needed an extreme amount of hard drive space (usually 37.5 megabytes) to properly decompress a file. Users with large amounts of free space on their hard drive were not likely to see this problem. 07-14-95 ■ Version 2.21 . Updated documentation and help file with newest changes. . Fixed a minor, obscure problem where the Update routine was called when using Internal ZIP with Update option during the first time that a compressed file archive was created. This was not a problem, and did not affect the compressed file, but it did waste a small amount of time the first time that an archive file was created. . Fixed a minor display issues where white areas inside of icons would be displayed as gray. . Fixed a minor problem where the validation checks on the Compression Paths screen would fail if a root directory was entered. Changed the called routine from DirectoryExists to stIsDirectory. . Clarified an error message that was displayed when attempting to execute ARJ.EXE, LHA.EXE, PKZIP.EXE, or PKUNZIP.EXE, and the selected compression program could not be found. The error message now instructs users to modify the corresponding path on the Compression Paths screen. . Added the ZIP'R Pro For Windows icon to the release package. . Removed a redundant call to the Compression Type Click method. . Added a check to make sure that ARJ, LHA, or PKZIP and PKUNZIP exist in the ARJ Directory, LHA Directory, or PKZip Directories, respecitively, when a user selects the corresponding compression program from the editing screen. If the file ARJ.EXE, LHA.EXE, PKZIP.EXE or PKUNZIP.EXE cannot be found in the corresponding directory (based on the compression program chosen), a warning message is issued to the user. . Added a confirmation dialog box to the Launch button on the editing screen to make sure that users really want to launch the selected program. The confirmation dialog is only displayed when the "Confirm Before Launching Program" option is turned on. . Added a setting to the defaults screen to allow users to specify whether or not a confirmation dialog should be displayed before launching a program from the desktop interface. Modified the confirmation dialogs to only be displayed when this new option is turned on. . Removed the Help buttons from the Setup program. (Help is not available from the Setup program at this time.) . Changed the font on all dialog boxes from Arial to MS Sans Serif. . Clarified several of the hints on various fields (especially on the Compression Paths screen). Changed the labels on the Compression Paths screen to read ARJ Directory, LHA Directory, and PKZip Directory, instead of ARJ Path, LHA Path, and ZIP Path. . Changed the wording of the check box on the defaults screen to read "Manually Create Sub-Directories Under OS/2". . Changed the way the buttons are highlighted on the desktop. When the mouse moves, the focus is automatically transferred to the program button underneath the mouse pointer. (This should make it easier for users to understand the right-click popup menu.) Also made sure that the focus does not automatically get transferred to the ZIP'R Pro desktop if the main window is inactive. . Added another file filter for All Files (*.*) to the filter list when Browsing for an executable program. This will help users who need to search for .CMD files (4DOS batch files). . Changed the wording of the check boxes on the Special options screen. The TSR-related check boxes now indicate that TSR command are only available for DOS programs launched under Windows. (TSR's cannot be used in combination with a Windows application.) Also changed the Selective Extraction and Selective Exclusion check boxes to indicate that they can only be used in combination with PKZip. . Changed the behavior of the Floppy button on the editing screen to be disabled if PKZip is not the currently selected Compression program. (Options on the Floppy screen only apply to PKZip, since none of the other compression programs support compression to floppy disks at this time.) . Increased the stack space from 16,384 to 32,768 to fix a problem where an EGPFault (GPF) would occur after compressing very large programs, such as Microsoft Excel. (In our tests, the address of the error indicated that there was not enough stack space left to successfully redisplay the status form, thus causing the error.) 07-01-95 ■ Version 2.20 . Added support for ZIP'R Pro to give up ticks when launching DOS applications in a WIN-OS2 session under OS/2. This should also help when attempting to compress or decompress programs using PKZIP, ARJ, or LHA. (Previous versions would cause the CPU Load to jump to 100% while the DOS application was running.) . Added a command to erase the compressed file if the user cancels the compression process (using Internal ZIP) and a 0 byte compressed file is remaining. (This prevents potential errors the next time the user attempts to run the program in question.) . Added checks to disable the TSR Pre and TSR Post-Program Commands check boxes if the application is a Windows application. (These options are only available for DOS applications.) . Added the option for users to disable the bubble help that pops up for quick reference, by deselecting the "Show Hints" option on the Defaults screen. . Updated documentation and help file with latest changes and recompiled help file. . Added support for ZIP'R Pro to detect if a program is being decompressed, compressed, or launched before an attempt is made to close ZIP'R Pro. If a program is being run through ZIP'R Pro when the close command is received, ZIP'R Pro will issue an error message and not allow itself to be closed, thus preventing potential problems with compressed data. This is especially useful with utilities or setup programs that attempt to exit or restart Windows. . Modified the status window at run time to hide the Cancel button when files are being moved into the archive (deleted from the hard drive). Since the Move process cannot be interrupted, the Cancel button would be ineffective on this screen. . Added a message box after the user presses the Cancel button on the status window to inform the user that the Cancellation will take place after the next file has been processed. (To prevent potential data errors or corruption, ZIP'R Pro does not allow users to cancel in the middle of compressing or decompressing a file. The file must be completed before the process will be cancelled.) . Added a hook to allow users to cancel the decompression process, and set an error level (ecCancelRequested) to notify the program of the user's request and to respond accordingly. . Added enhancements to the Compression Paths dialog to perform directory and file existence checking. If the path specified in any of the fields does not exist, or if PKZIP.EXE, PKUNZIP.EXE, ARJ.EXE, or LHA.EXE cannot be found in their respective directories, an error message is issued to warn the user. . Changed the border style on the status window to "bsSingle" to allow the user to minimize the Window without being able to resize it. . Removed the maximize button from the status window. . Changed the display of the status window to hide the Byte Gauge when moving files into the into the archive, since this gauge is not used during that procedure. . Changed the status screen display to indicate when file compression is complete and files are being "Moved" into the archive file. . Fixed a minor display issue where the gauge window on the "Updating Archive" status window (for the Freshening process) was not progressing to 100% by the time it was finished. . Fixed a minor display issue where the "Moving Files" gauge window was not progressing to 100% by the time it was finished. The initial file counter was being incremented by 1 more than the total number of files that were to be moved. . Fixed a problem where the re-compression process was slow when using Internal ZIP with Update mode. This was introduced as a result of moving the compression code to Windows-native format in version 2.16. . Non-Revision Note: Verified that ZIP'R Pro For Windows cannot trap exit codes from Windows programs when executed under Windows or OS/2. (This is due to the standard WinExecAndWait call that is used. This call will be replaced with an alternate routine used to launch applications in a future version of ZIP'R Pro.) (ZIP'R Pro can accurately trap exit codes from DOS applications, as long as the Application Type field is set to "DOS Application".) . Added bubble-help to many of the fields on the various editing screens and the toolbar to help inform users of the purpose for various fields and settings. . Expanded on an error message "Could not calculate the hard drive space required to successfully decompress this program..." to inform the user that this could be due to a corrupt compressed file. . Changed the behavior of ZIP'R Pro when reporting a PKUNZIP error #1 or #11 (or ARJ error #2). Previously, if this error was issued, the first message box would pop-up, asking the user whether or not he wanted to continue program execution. After this error message was displayed, a second error message would pop-up, reporting the error a second time. Now, if the first message box pops up, the second one is not displayed. . Fixed a minor display issue where text was being truncated on a message box that was issued after PKUNZIP reported an error #1 or #11 (or after ARJ issued an error #2). The text stated "Do you want to continue pro" (and was cut off), instead of stating "Do you want to continue program execution now?". . Disabled auto-creation of several of the dialog boxes, such as the About box, Registration Info screen, Register dialog, Defaults dialog, Paths dialog, Floppy dialog, and Special Options dialog to increase the runtime speed and reduce the amount of overhead when ZIP'R Pro is executed. . Added "Exec Process" and "Child Process" to the message boxes that report error levels and exit codes after attempting to execute the program, IN commands, or OUT commands. This will allow STSI to better track any potential errors reported by customers. . Fixed a problem where a GPF could occur after executing a program that reported an exit code (error). (An attempt was made to reference a nil pointer.) . Changed the caption on the edit form dynamically to reflect changes made in the ZPW filename field. (The caption will represent the 8-character filename of the file being edited.) . Added many of the editing features found in the previous version(s) of ZIP'R Pro to the new desktop interface. . Designed ZIP'R Pro to automatically remove all buttons and add them back to the desktop after a delete or save operation. . Changed the status routine methods to make sure that the default status return value is always initialized (true/false). . Added an option to overwrite "All" files when extracting individual files from a compressed file, where the extracted files already existed on the disk drive. Previously, users had to answer Yes or No to overwrite each file. Selecting the All button will disable the prompts during the rest of the decompression process and overwrite all files. . Created a toolbar with speed buttons for the New File, Open File, Defaults, Compression Paths, and Register options. . Added support to read and write the file ZPWICONS.INI, which contains the name of the icons that belong to each button on the desktop. . Added push buttons to the ZIP'R Pro desktop for each ZPW file found, and added a right-click popup menu to allow users to modify the settings, run the program, delete the ZPW file, or change its icon on the desktop. . Removed the User Interface option. New layout does not require the use of an interface level. . Began initial rewrite of interface, moving from Borland Pascal 7.0 (OWL) to Borland Delphi. . Fixed a potential problem where ZIP'R Pro was not trapping the error level or exit code returned from a DOS application. . Fixed a potential problem when launching a DOS application under OS/2's (v2.1) Win-OS/2 session, where ZIP'R Pro was not changing to the program directory prior to launching the application. (This is due, in part, to OS/2's behavior of automatically logging to the root directory of a drive when a DOS session is opened.) 06-13-95 ■ Version 2.19 . Added a new setup program to ZIP'R Pro that adds the following features: 1) Allows distribution of files in compressed format. Since ZIP'R Pro's distribution size was close to 1.4 megabytes, this will address distribution size issues for the near future. 2) The new setup program adds 2 new items to the ZIP'R Pro group during the Program Manager Group/Icon creation process. These items are a direct link to the ZProWin Help File, and a Notepad icon containing Register.Doc. . Changed the "S&H" string on the nag screen to "S/H" since the ampersand sign caused the letter H to appear underlined. . Added an extra check to make sure that users cannot compress their Window or Windows System sub-directories when launching and recompressing a program. . Fixed a problem where a General Protection Fault occurred after executing a program from the Program Item Properties using the ZProWin command line. The error (at location 0007:3E19) occurred before attempting to display a final nag screen on unregistered copies of ZIP'R Pro. (A dialog was attempting to be screen- centered, and a parent window did not exist, causing the GPF.) This would not have caused any loss of data or left-over signal files. . Added a status window to the recompression process for Internal ZIP compression when update mode was enabled. Previously, a status window was not displayed in this area, causing confusion about when ZIP'R Pro had actually completed the compression process. . Fixed a problem introduced in version 2.18 where the cleanup procedure was not finding left-over signal files. This, too, was a result of the 1 missing line in the stFindFirst routine, where the Filename entry was not being set properly. . Fixed a problem introduced in version 2.18 where attempting to create a new compressed file with Internal ZIP compression would cause a 22-byte ZIP file to be created in the program directory, and the program files would be deleted. This was due to 1 missing line in the stFindFirst routine where the Filename entry was not being set properly, causing the list of files to be compressed to be empty. (STSI has attempted to eliminate the distribution of version 2.18, and requests that all users immediately upgrade to the newest version.) . Fixed a problem where receiving several message boxes within one session of ZIP'R Pro could cause a Runtime Error #202 (stack overflow). Increased the stack size from 16384 to 24576. Also addressed another problem where the same error could occur when using Internal ZIP compression with Update mode when the program had one or more sub-directories. 06-05-95 ■ Version 2.18 . Fixed a problem introduced in version 2.17 where registered users could not register ZIP'R Pro because the registration number field was only allowing 11 characters to be entered instead of 12. 05-24-95 ■ Version 2.17 . Optimized the cleanup procedure for speed. This procedure is now extremely fast. . Fixed an intermittent problem where ZIP'R Pro would issue a general protection fault when attempting to compress a program. (A null-terminated string was being appended to the end of a Pascal string.) We could only duplicate this problem when more than 1 instance of the same application was running on the desktop, and the last user exited the shared application. . Fixed a problem in ZIP'R Pro where attempting to execute multiple instances of the same program could cause an intermittent problem where the first instance would not wait for the second instance to close before attempting to compress the selected program. 05-23-95 ■ Version 2.16 . Updated documentation with latest changes to ZIP'R Pro. . Completed initial rewrite of ZIP'R Pro. New code is better organized and much easier to understand, allowing us to find and fix problems faster, and potentially add new features in future releases. . Started to reduce code duplication by eliminating several large data structures. (This process will be continued into the next release.) . Fixed a obscure problem where an archive created with PKZIP and recreated/updated using Internal ZIP would delete some and/or all files from the compressed file and report the error message "Error Compressing ZIP File. No Matching Files in Protocol Transmit". This problem would occur only if the program files were stored in a sub-directory (ie, an alternate program parent directory was specified), and the compressed file was located in a directory other than the program's main directory. . Isolated a potential problem with Internal ZIP compression (introduced as a result of the previous 2 fixes) where the compression routines would attempt to compress the ZIP file as it was being created. Added a routine to cycle through all files in the compression list to make sure that the ZIP file is not included in the final compression mask list. . Fixed a problem with Internal ZIP compression where the New File List (used for Update mode) was not being created correctly when the compressed file was located in a directory other than the program's main directory. This could result in an error message "Error Compressing ZIP File. No Matching Files in Protocol Transmit", and the ZIP file would not be updated properly. . Fixed a problem with Internal ZIP compression where the wrong files would be included in the ZIP file if the compressed file was located in a directory other than the program's main directory. (This could have caused data loss, due to the fact that the program files had been deleted, even though they had not been added into the ZIP file. The deleted files could be recovered using UNDELETE.) . Fixed several instances where the compression signal file would not be deleted if an error occurred creating and/or comparing the file lists (for update mode) during the recompression process. . Fixed two instances where the compression and decompression signal files would not be deleted in the event that ZIP'R Pro could not locate the compressed file directory. ZIP'R Pro would issue an error message and exit, without deleting the signal file that had already been created. . Converted Internal ZIP compression to Windows-native code. This improves the speed and usability of ZIP'R Pro when compressing and decompressing programs. Created a simple progress display for the Internal ZIP compression and decompression processes. . Removed the use of several variables that are not needed, now that the ZProcessor has been eliminated. These are Windowed Compression, Windowed Decompression, Scan Activity Indicator, and Screen Writes (Direct, BIOS, or Auto Detect). . Removed use of the ZProcessor. A new library purchased by STSI will trap and return exit codes from DOS programs under Windows. This allows ZIP'R Pro to interact with PKZIP, PKUNZIP, ARJ, and LHA directly, without the intercession of the ZProcessor to trap and report the error codes using files. . Removed several unneeded (and unused) variables from the program. . Changed the Selective Extraction, Selective Exclusion, IN, OUT, TSR Pre-Program, and TSR Post-Program Commands to a more efficient data structure, increasing available memory for other operations. . Removed the Accurate File Size Calculation, Cluster Size Calculation, and Cluster Size variables from ZIP'R Pro. The cluster size is now calculated automatically, and the disk space requirements are calculated based on exact figures, as well. . Added internal support to read the headers out of .ARJ, .LHA, and .ZIP files. This will allow ZIP'R Pro to perform disk space requirement calculations internally, without needing to shell to each of these programs. (This added about 4K to the EXE size.) . Started work on MAJOR coding changes and improvements in ZIP'R Pro. 04-25-95 ■ Version 2.15 . Added a limitation to non-registered copies of ZIP'R Pro For Windows to encourage non-registered users to "get legal". ZIP'R Pro For Windows will not allow users to create more than 5 ZPW files in the unregistered version. (Registered users can create an unlimited number of ZPW files.) . Added an option to the Floppy Options screen to take "No Action" when creating a compressed file on a floppy diskette. Instead of erasing the files and sub-directories, this option will simply create a new file on the existing diskette, whether or not other files are contained on the diskette. . Fixed a problem where the signal files (that track multiple accesses to a program) were not being erased after an error occurred during the decompression process. The next time a program was executed, an error would be displayed indicating that ZIP'R Pro was currently being used by the maximum number of users allowed. This problem is fixed. However, if you are still receiving this type of error message, use the Cleanup option from the Settings menu. . Completely removed the display of the About Box for registered users of ZIP'R Pro For Windows. Specifically, the About Box will not be displayed when initially entering ZIP'R Pro or when executing a program through ZIP'R Pro. (Non-registered users will continue to see the About Box at various places as a registration incentive.) . Removed the "Delays" option from the Settings menu. . Converted registration number checking routine to use one of STSI's internal library routines. . Removed additional unnecessary icons from the executable file by deleting them from the resource file. . Increased the pixel width of the status bar sections from 200 to 225 pixels after a user reported that text in the first section was being cut-off on his monitor. . Created a literal string unit containing all strings that are read from the INI and ZPW files and used variable references instead of literal strings, reducing the chance for typing or spelling errors. 04-10-95 ■ Version 2.14 . Fixed a problem where the "Parameters" field was not being passed to a Windows application. 04-05-95 ■ Version 2.13 . Added a "Child Process Checking" feature to the routine that executes Windows applications. This new feature checks all the current Windows applications to make sure that the application ZIP'R Pro launched and any secondary applications launched by the main application are completely closed down before attempting to recompress the main program. As an example, one of our users reported a problem with Microsoft PowerPoint v4.0 not working properly with ZIP'R Pro. Apparently, PowerPoint hands control off to a separate file and terminates the main POWERPNT.EXE file. Once ZIP'R Pro detected that the main EXE file was no longer in use, it tried to recompress the entire program, even though a sub-program was actually running. As another example, we found that attempting to print a long document from Ami Pro 3.0 causes a similar dilemma. When Ami Pro terminates, Ami Print (AMIPRINT.EXE) continues to remain on the desktop until all of the data has been sent to the printer. If Ami Pro is closed while the printing process is still running, ZIP'R Pro would again detect that the main application had closed, and would try to recompress it without waiting for AMIPRINT.EXE to finish. To address these problems, we have added an option called "Child Process Checking". This feature (which is enabled by default) detects when a program launches a "child" application. For example, ZIP'R Pro is now able to detect when Ami Pro launches Ami Print. Before starting the compression process, ZIP'R Pro makes sure that BOTH Ami Pro and Ami Print have been closed. 03-13-95 ■ Version 2.12 . Cleanup up and clarified existing code. A major change took place in ZPROCESS.EXE. See the file ZPROCESS.REV for more information. 03-02-95 ■ Version 2.11 . Modified code to make sure the extension on the executable filename field is always ".exe", ".com", or ".bat". If the extension does not match one of these extensions, it is replaced with the ".exe" extension. . Removed the Directory Validator from the executable filename field. Instead of issuing a warning error to the user, ZIP'R Pro simply tries to format the entered string to an appropriate value. . Fixed a minor problem where ".zip" would be placed in the compressed filename field (Advanced interface only) when the executable file field was filled in. Modified code to put a complete filename and extension in this field, but only if it is initially blank. 02-16-95 ■ Version 2.10 . See ZPROCESS.REV for a problem fix related to using internal compression on a single-user system. . Fixed a problem where changing the name of the executable file when using the Advanced interface would cause the compressed filename field to be changed to match the EXE name. . Updated help file with changes to the name of STSI's BBS. (Name was changed from The Bertha BBS to The STSI BBS.) . Updated copyright notices. 01-27-95 ■ Version 2.09 . Modified code to reflect new routine names from STSI's internal stString unit. . Fixed a problem where the ARJ advanced compression options were not being saved. The default compression option was always being used, instead of the value specified by the user. 11-24-94 ■ Version 2.08 . Fixed a problem where .RND files were not being deleted in the cleanup process. 11-16-94 ■ Version 2.07 . No changes. (See ZPROCESS.REV for changes.) 11-13-94 ■ Version 2.06 . No changes. (See ZPROCESS.REV for changes.) 11-06-94 ■ Version 2.05 . Included file ERRORS.OPL with distribution package, which was previously omitted. 10-29-94 ■ Version 2.04 . No changes. (See ZPROCESS.REV for changes.) 10-10-94 ■ Version 2.03 . Updated code and documentation for ASP compliance. STSI is now an ASP approved author! . Fixed a minor problem in the Registration code checking routine. (Placing 0 in the Network Users field did not produce the same results as leaving the field blank.) . Fixed a problem where files with a .ZSF or .IID extension were not being erased in the Cleanup process. This was due to an inaccurate conditional define from a previous version of ZIP'R Pro For Windows. This error should not have caused any noticeable problems to the average user. 08-16-94 ■ Version 2.02 . Fixed a major problem when using internal ZIP compression. When attempting to recompress a program using the Update option, users would receive an Error Number 5, (File Access Denied). The compressed file had been marked as read-only, and therefore could not be initialized for any other action. This error condition did not appear when using a Novell network, so internal beta-testing efforts did not catch the problem. Added code to make sure the compressed file's attributes were properly set before any action to the file is attempted. . Modified the Run button on the editing screen to say "Test Run" instead of "Run". 08-09-94 ■ Version 2.01 . Updated the ZPROWIN.HLP help file with graphics and expanded descriptions. . Fixed a problem where the Floppy button was not being enabled when PKZIP was selected as the compression type. (Advanced interface only.) (A procedure was not declared as virtual, and thus was not being overridden.) . Fixed a problem where the Compression button was not being disabled when LHA or None was selected as the compression type. (Advanced interface only.) (A procedure was not declared as virtual, and thus was not being overridden.) . Added Launch Compress As and Launch Decompress As options to the Video Options screen. This allows the compression and decompression processes to occur as an icon, or to use the setting defined in the ZPROCESS.PIF file. . Added a conversion routine to each of the compression paths to make sure they are written to the ZPROWIN.INI file in upper case. . Modified the resource for the Compression Paths screen to make sure that the text for the fields is displayed in lower case, making it easier to read. . Modified code to trim a filename and its extension from any of the fields on the Compression Paths screen, and to make sure that the resulting string contains a trailing backslash. . Added STSI's company telephone numbers to the About box. . Modified the resource for the About box to make sure that the background color is always gray, no matter what the Windows color scheme is set to. . Fixed a problem where the Selective Extraction, Selective Exclusion, IN Commands, OUT Commands, TSR Pre-Program Commands, and TSR Post-Program Commands were not being cleared properly when an icon was edited using a right mouse click. This would produce duplicate entries within each field, especially when more than one file was edited during a session. 08-04-94 ■ Version 2.00 . Added 3 user interfaces to ZIP'R Pro For Windows to allow users to select the level that feels right for them. Beginner users don't have to wade through all of the advanced options. Advanced users can access a myriad of available options, and intermediate users can settle on a comfortable compromise between the two. . Integrated the ZIF Editor into ZIP'R Pro For Windows. Added a menu system, dialog boxes, and icons to display the files available for executing through ZIP'R Pro. The entire program can now be executed within the Windows interface, making it much easier to use. . Updated the version number in the registration procedure. 07-19-94 ■ Version 1.03 . No changes made. 04-22-94 ■ Version 1.02 . No modifications. (See ZIFPROW.REV for modifications to the ZIF Editor Pro.) 03-29-94 ■ Version 1.01 . Removed support for the /CLEANUP option and moved operational code to the ZIF Editor Pro. . Rearranged the processing order to more closely reflect the order used in ZIP'R Pro For DOS. . Added support for the /TEST and /CLEANUP options. . Removed redundant InitializeZPWVariables procedure. 03-24-94 ■ Version 1.00 . Removed the opening delay screen if the user has registered ZPROWIN. . If QueryOption is enabled, launch the ZProcessor with focus. . Changed the launch style constants to provide greater consistency throughout the code. 02-14-94 ■ Version 0.6ß . Updated IFDEF and IFNDEF statements throughout the code to minimize code size for each module. . Added floppy support to ZProWin. . Corrected a problem where the Instance ID file was not having its hidden attribute set. . Added code to create an Instance ID file when operating in a WIN-OS2 session under OS/2. The Instance ID file is used to prevent ZPROWIN from continuing operations until the ZProcessor has finished. . Fixed a problem where the AtomicLockFile procedure was not initializing a variable properly, generating a General Protection Fault. . Moved the ZProcessorSignalFile creation routine to ZPROWIN.EXE, reducing the chance of conflicts during the transition to ZPROCESS.EXE. . Converted units to share code with ZIP'R Professional For DOS and ZProcessor. 12-01-93 ■ Version 0.5ß . Fixed various problems with ZIP'R Professional not passing parameters back and forth between the ZProc signal file. . Corrected a problem where the .ZFW extension was not being passed to the ZProcessor. . Altered the command-line processing to allow a .ZFW extension to be specified, but not requiring it. . Fixed a problem where the .ZSF file was not being hidden following a read operation. . Added a ZProcessor Signal File (.ZSF) to enable inter- process communication between ZIP'R and ZProcessor. . Moved all signal file creation routines to the ZProcessor, to take advantage of atomic lock files. . Incorporated code from ZIP'R Professional For DOS to handle the decompression and compression processes. . Removed SQZ support, due to the fact that it hasn't been updated recently, and does not support errorlevels. . Re-wrote ZIP'R Professional For Windows in Pascal. 11-25-93 ■ Version 0.4ß . Replaced a missing equals sign in the routine that reads the ZIPRWIN.INI file. . Corrected a problem in the LaunchDOSAppAndWait routine that could result in an "Illegal Function Call" error message, due to an invalid window style being set. . Declared all local and global variables that caused errors due to using option explicit. . Added "Option Explicit" to global declarations, to force all variables to be declared before use. 07-06-93 ■ Version 0.3ß . Replaced all references to hard-coded file numbers with variables based on the first available file number. . Corrected a problem in the Update code where ZIP'R For Windows was deleting the .ZIP file after ZPROCESS.EXE finished its processing. . Added Update Option code, including the scan for deleted files routine. . Added Query Option code. 07-05-93 ■ Version 0.2ß . Added call to separate ZIPRWIN.DLL to calculate how much disk space was available. . Changed the command processor detection method to be more compatible with 4DOS, NDOS, etc.. . Changed the way ZPROCESS.EXE is launched. If launched as a window or icon, ZPROCESS will not be given the focus. This makes the temporary file creation and the compression/decompression process less obtrusive. . Changed the format of the .ZFW files. . Added extra code to make sure that the current directory is correct before generating any files. . Added routines to delete token files if an error is encountered. . Added error message if ZPROCESS.EXE writes an ERRORLEVEL to the token file. . Changed file open routines to query for a free file, rather than hard-coding in a file number. . Added routine to wait until ZPROCESS.EXE had finished before continuing program execution. . Re-wrote ZIPRWIN.INI file read routines. . Changed position of all error messages. Previously, they were grouped together in a separate sub-routine. This made it difficult to troubleshoot. . Changed .EXE name from ZIPRW.EXE to ZIPRWIN.EXE. Changed all occurrences of ZIPRW to ZIPRWIN. . Entered as much code as possible from old version of ZIP'R For Windows into new version. . Changed programming language used to write ZIP'R For Windows. Old language was too slow. 04-10-93 ■ Version 0.1ß . Added code to pass information to ZPROCESS.EXE, which creates the temporary file needed to calculate the disk space required to decompress a compressed file. 04-06-93 ■ Version 0.0ß . Added routines to pass parameters to ZPROCESS.EXE. . Transferred over as much of the ZIP'R code as was applicable to ZIP'R For Windows. . Initial coding begun.