Pars Pendar's Library List


Pars Pendar contains 15 dynamic link libraries (DLLs), each containing more functions that are definitely useful to Visual FoxPro programmers. These libraries are now available as Fox Link Libraries (FLLs), as listed below :

 

CNVLIB.FLL

INDEXLIB.FLL

SMEMOLIB.FLL

DATELIB.FLL

LEDITLIB.FLL

LMEMOLIB.FLL

DISKLIB.FLL

LTORLIB.FLL

XMEMOLIB.FLL

FILELIB.FLL

NUMLIB.FLL

SEEKLIB.FLL

FINDLIB.FLL

RTOLLIB.FLL

STRLIB.FLL

 

Here is a brief description of each library file. Each library file, as mentioned above, is a Fox link library file (with an extension of .FLL). You know that .FLL files are dynamic link library files in fact, i.e., Pars Pendar consists of up to 15 .DLL files which are used by means of  SET LIBRARY TO ... command in all Visual FoxPro programs. 
 

<CNVLIB.FLL> Library File

An abbreviation for : CONVERTER  LIBRARY.

Usage syntax : SET  LIBRARY  TO  CNVLIB  [ADDITIVE]

Description : By using functions in this powerful library file in your programs, you will be able to change the code page of your data to the one you desire. The process of converting is so fast and precise. Most of the standard Farsi code pages are supported, such as :

<IRAN  SYSTEM> CODE  PAGE

This code page had been used for many years by Farsi FoxPro programmers under DOS. Because of this capability, programmers will be easily able to convert their old DOS programs (and data, of course) that had been developed in this code page, into Windows format, by means of Pars Pendar.

<PANIZ> CODE  PAGE

This code page was also of interset to some FoxPro programmers under DOS.  Because of this capability, programmers will be easily able to convert their old DOS programs (and data, of course) that had been developed in this code page, into Windows format, by means of Pars Pendar.

<SAYEH> CODE  PAGE

This code page was also of interset to some FoxPro programmers under DOS.  Because of this capability, programmers will be easily able to convert their old DOS programs (and data, of course) that had been developed in this code page, into Windows format, by means of Pars Pendar.

<FARSI  MICROSOFT  WINDOWS> CODE  PAGE

A very popular code page used in several types of FARSI Windows. Note that Many FARSI Windows use this code page as their default code page, and that many FARSI Visual FoxPro programmers are currently using one of such Windows.

<SABERIN WINDOWS> CODE  PAGE

A very popular code page used in several types of FARSI Windows.

<SINA WINDOWS> CODE  PAGE

A very popular code page used in several types of FARSI Windows.

<DATELIB.FLL> Library File

An abbreviation for : DATE  MANIPULATION  LIBRARY.

Usage syntax : SET  LIBRARY  TO  DATELIB  [ADDITIVE]

Description : This library file provides the capability of implementing many actions regarding Shamsi & Miladi dates in your programs. The following possibilities are simply achieved by means of the built in functions in this library file :

 

CONVERTING  MILADI  DATES  TO  SHAMSI

A very necessary capability used by most Farsi programs. This feature is completely problem free for 2000 year and later dates in addition to lower dates (i.e. there 'll be no Y2K problem when using this feature).

CONVERTING  SHAMSI  DATES  TO  MILADI

Also completely problem free for 2000 year and later dates in addition to lower dates (i.e. there 'll be no Y2K problem when using this feature also).

EVALUATING  EITHER  SHAMSI  OR  MILADI  KABISEH  YEARS  PROPERLY

CALCULATING  FARSI   MONTHS  AND  DAY  OF  WEEK

 

<DISKLIB.FLL> Library File

An abbreviation for : DISK  MANIPULATION  LIBRARY.

Usage syntax : SET  LIBRARY  TO  DISKLIB  [ADDITIVE]

Description : This library file provides the capability of implementing many actions regarding disks in your programs. The following possibilities are simply achieved by means of the built in functions in this library file :

 

TESTING  FOR  EXISTANCE  OF  A  SPECIFIED  DRIVE  IN  THE  SYSTEM

Suppose you want to know if there is a specified drive name in the computer that is currently executing the program. There are many functions in the above library file to achieve that purpose. You can also find out the type of the specified drive (Network, Floppy, Hard, CDROM, ...). These capabilities are useful in programs that back up data.

FINDING  OUT  IF  THE  DISK  IN  A  DRIVE  IS  WRITE  ENABLED

Also useful in programs that back up data or want to save data on a disk. There's a function that shows if a disk in a specified drive is write protected.

FINDING  OUT  IF  THERE  IS  A  DISK  IN  A  DRIVE  (IS  A  DRIVE  READY ?)

Useful in programs that read data from a disk.

CREATING  AND  REMOVING  FOLDERS.

UsefulNESS OF SUCH FUNCTIONS in programs are obvious.
 

<FILELIB.FLL> Library File

An abbreviation for : FILE  MANIPULATION  LIBRARY.

Usage syntax : SET  LIBRARY  TO  FILELIB  [ADDITIVE]

Description : This library file provides the capability of implementing many actions regarding  any kind of files, including structural compound index files, in your programs. The following possibilities are simply achieved by means of the built in functions in this library file :

 

FIXING  THE  FLAG  OF  CDX  FILES  IN  DBF  FILES

Useful in ON ERROR ... routins in your programs, where you might need to repair the damaged or corrupted DBF files. You can also use it outside error capturing routines.

EXTRACTING  FILE  SIZES  (ANY  KIND  OF  FILES)

EXTRACTING  CHECKSUMS  FOR  ANY  KIND  OF  FILES

FAST  AND  PRECISE   FILE  ENCRYPTION  (BY  2  METHODS  :  ELEMENTARY  &  ADVANCED)

FAST  AND  PRECISE   FILE  DECRYPTION  (BY  2  METHODS  :  ELEMENTARY  &  ADVANCED)
 

<FINDLIB.FLL> Library File

An abbreviation for : LIBRARY  FOR  FINDING  STRINGS  IN  TEXT  FILES.

Usage syntax : SET  LIBRARY  TO  FINDLIB  [ADDITIVE]

Description : You can use it's functions for searching strings in text files automatically in your programs. Searches may be done either in user defined windows or directly in desktop. These will be done in your programs by calling the proper functions in the above library file.
 

<INDEXLIB.FLL> Library File

An abbreviation for : LIBRARY  FOR  SORTING  AND  INDEXING  .DBF  FILES.

Usage syntax : SET  LIBRARY  TO  INDEXLIB  [ADDITIVE]

Description : Farsi character fields must be reversed by some techniques before sorting or making index files whose key fields are reversed. In many cases, it would not be enough that you just reverse the string fields. In fact, some intelligency must have been applied in indexing techniques first.

Pars Pendar does it easily, quickly and efficiently. There are 3 interesting functions built in the above library file.

<LEDITLIB.FLL> Library File

An abbreviation for : LIBRARY  FOR  TYPING  FARSI  CHARACTERS  ON  THE  KEYBOARD  ON  PROGRAM  DESIN  TIME.

Usage syntax : SET  LIBRARY  TO  LEDITLIB  [ADDITIVE]

Description : Farsi programmers need a handy function that would enable them to switch from FARSI to LATIN and vice versa during program development. For example, the developer will certainy need to switch the typing language when he/she is typing program lines in environments such as COMMAND WINDOW, MODIFY COMMAND, MODIFY FILE, FORM DESIGNER, MENU BUILDER, REPORT GENERATOR, etc.

This goal is most easily achieved by using the above library file.

<LTORLIB.FLL> Library File

An abbreviation for : LEFT  TO  RIGHT  FARSI / LATIN  DATA  ENTRY  AT  RUNTIME.

Usage syntax : SET  LIBRARY  TO  LTORLIB  [ADDITIVE]

Description : By means of this library file, the developer can prepare programs that, when run, let end users enter Farsi/Latin text (i.e., Farsi/Latin strings) at program runtime. In other words, programs can let end users make a left to right Farsi/Latin data entry at runtime. 

NOTE :

Pars Pendar does not conflict with Visual FoxPro's intrinsic & built in capabilities while in a left to right Farsi/Latin data entry mode at runtime. In other words, Pars Pendar supports ALL NATURAL VFP'S CAPABILITIES in data entry sessions, such as : ON KEY LABEL, CUT, COPY, PASTE, ANY MOUSE ACTIVITY, etc.

Environments in which end users can enter left to right Farsi/Latin data at program runtime, include : @ ... GET ... command, BROWSE, TEXT BOX CONTROLS (in Form Designer), and finally, GRID CONTROLS (in Form Designer).

 

<NUMLIB.FLL> Library File

An abbreviation for : LIBRARY  FOR  NUMERIC  MANIPULATIONS.

Usage syntax : SET  LIBRARY  TO  NUMLIB  [ADDITIVE]

Description : This library is useful for implementing the following : 

3  BY  3  DIGITS  SEPARATION  OF  FARSI / LATIN  NUMERICS

NUMBER  TO  CHARACTER  CONVERSION  (APPROPRIATE  FOR  FARSI  SPELLING)

CONVERTING  NATURAL  NUMERICS  TO  THEIR  FARSI  EQUIVALENTS  (AND  VICE  VERSA)

 

<RTOLLIB.FLL> Library File

An abbreviation for : RIGHT  TO  LEFT  FARSI / LATIN  DATA  ENTRY  AT  RUNTIME.

Usage syntax : SET  LIBRARY  TO  RTOLLIB  [ADDITIVE]

Description : By means of this library file, the developer can prepare programs that, when run, let end users enter Farsi/Latin text (i.e., Farsi/Latin strings) at program runtime. In other words, programs can let end users make a right to left Farsi/Latin data entry at runtime. 

NOTE :

Pars Pendar does not conflict with Visual FoxPro's intrinsic & built in capabilities while in a right to left Farsi/Latin data entry mode at runtime. In other words, Pars Pendar fully supports ALL NATURAL VFP'S CAPABILITIES in data entry sessions, such as : ON KEY LABEL, CUT, COPY, PASTE, ANY MOUSE ACTIVITY, etc.

Environments in which end users can enter right to left Farsi/Latin data at program runtime, include : @ ... GET ... command, BROWSE, TEXT BOX CONTROLS (in Form Designer), and finally, GRID CONTROLS (in Form Designer).
 

<SMEMOLIB.FLL> Library File

An abbreviation for : SMALL  MEMO  FIELDS  (FARSI / LATIN)  LIBRARY.

Usage syntax : SET  LIBRARY  TO  SMEMOLIB  [ADDITIVE]

Description : By means of this library file, the developer can prepare programs that, when run, let end users enter multi-line Farsi/Latin text at program runtime (right to left). The most common multi-line data entry model, as you know, is a MEMO FIELD data entry, which in turn includes memo fields in tables and also multi line string memory variables.

NOTE  1 :

Word wrapping is maintained automatically. Environments in which end users can enter right to left multi line text (Farsi/Latin) at program runtime, include : @ ... EDIT ... command and EDIT BOX CONTROLS (in Form Designer).

NOTE  2 :

Pars Pendar's related capabilities are not limited to just what we mentioned above. Pars Pendar, in fact, gives you more flexible functions while working with multi line text boxes. Please refer to other parts of the documentation presented in our web site. You can simply visit our General information page for more details regarding Pars Pendar's features.

NOTE  3 :

Pars Pendar assigns a 20KB memory buffer for manipulation of the data while working with SMEMOLIB.FLL. In fact, end users won't be able to type characters more than 20 kilo bytes in that case. For larger memory buffers, you must use LMEMOLIB.FLL or XMEMEOLIB.FLL.
 

<LMEMOLIB.FLL> Library File

An abbreviation for : LARGE  MEMO  FIELDS  (FARSI / LATIN)  LIBRARY.

Usage syntax : SET  LIBRARY  TO  LMEMOLIB  [ADDITIVE]

Description : This library file acts very similar to SMEMOLIB.FLL. The only difference, is the size of the memory buffer it assigns for manipulating the data. By means of this library file, the developer can prepare programs that, when run, let end users enter multi-line Farsi/Latin text at program runtime (right to left). The most common multi-line data entry model, as you know, is a MEMO FIELD data entry, which in turn includes memo fields in tables and also multi line string memory variables.

NOTE  1 :

Word wrapping is maintained automatically. Environments in which end users can enter right to left multi line text (Farsi/Latin) at program runtime, include : @ ... EDIT ... command and EDIT BOX CONTROLS (in Form Designer).

NOTE  2 :

Pars Pendar's related capabilities are not limited to just what we mentioned above. Pars Pendar, in fact, gives you more flexible functions while working with multi line text boxes. Please refer to other parts of the documentation presented in our web site. You can simply visit our General information page for more details regarding Pars Pendar's features.

NOTE  3 :

Pars Pendar assigns a 64KB memory buffer for manipulation of the data while working with LMEMOLIB.FLL. In fact, end users won't be able to type characters more than 64 kilo bytes in that case. For larger memory buffers, you must use XMEMOLIB.FLL.

<XMEMOLIB.FLL> Library File

An abbreviation for : EXTENDED  MEMO  FIELDS  (FARSI / LATIN)  LIBRARY.

Usage syntax : SET  LIBRARY  TO  XMEMOLIB  [ADDITIVE]

Description : This library file acts very similar to SMEMOLIB.FLL. The only difference, is the size of the memory buffer it assigns for manipulating the data. By means of this library file, the developer can prepare programs that, when run, let end users enter multi-line Farsi/Latin text at program runtime (right to left). The most common multi-line data entry model, as you know, is a MEMO FIELD data entry, which in turn includes memo fields in tables and also multi line string memory variables.

NOTE  1 :

Word wrapping is maintained automatically. Environments in which end users can enter right to left multi line text ( Farsi/Latin) at program runtime, include : @ ... EDIT ... command and EDIT BOX CONTROLS (in Form Designer).

NOTE  2 :

Pars Pendar's capabilities is not limited to just what we mentioned above. Pars Pendar, in fact, gives you more flexible functions while working with multi line text boxes. Please refer to other parts of the documentation presented in our web site. You can simply visit our General information page for more details regarding Pars Pendar's features.

NOTE  3 :

Pars Pendar assigns a 128KB memory buffer for manipulation of the data while working with XMEMOLIB.FLL. In fact, end users won't be able to type characters more than 128 kilo bytes in that case.

<SEEKLIB.FLL> Library File

An abbreviation for : QUICK  RECORD  SEARCH  BY  FARSI  KEYSTROKES  IN  <BROWSE> COMMAND.

Usage syntax : SET  LIBRARY  TO  SEEKLIB  [ADDITIVE]

Description : By using functions in this powerful library file in your programs, you will be able to find the right record in a table while typing some of it's leftmost characters in the BROWSE command (interactively in a BROWSE session). 

For example, suppose your program is currently in a BROWSE window and you want to find out which record (or records) start with a Farsi "F" letter (FEH). To achieve this, you can simply type the Farsi "F" letter (FEH) on the keyboard. Pars Pendar will then automatically find and highlight (and make current, of course) the first record in that table which has a Farsi "F" letter (FEH) as it's first (leftmost) letter.

This capability may be easily extended to more than one letter. This library file has been of much interst to many Farsi programs developers.

NOTE :

The above library works in three distinct modes (selectable by the programmer) as follows : (in either modes, the table must have been indexed on a key field in advanced).

IMMEDIATE  MODE

In this mode, searching starts immediately after each keystroke. This may be time-consuming when dealing with large tables.

DELAYED  MODE

In this mode, searching starts only after hitting the <ENTER> key, which in turn, usually occurs after all the desired characters have been typed on the keyboard.

USER  DEFINED  (ARBITRARY)  MODE

In this mode, Pars Pendar will never start searching automatically for the records that match keystrokes. In fact, programmer must themselves define an ON KEY LABEL routine (or the like) of their own, in which the action of each keystroke has been defined upon a user defined manner.

NOTE :

Pars Pendar's capabilities is not limited to just what we mentioned above. Pars Pendar, in fact, gives you more flexible functions while working with SEEKLIB.FLL. Please refer to other parts of the documentation presented in our web site. You can simply visit our General information page for more details regarding Pars Pendar's features.
 

<STRLIB.FLL> Library File

An abbreviation for : STRING  MANIPULATION  LIBRARY.

Usage syntax : SET  LIBRARY  TO  STRLIB  [ADDITIVE]

Description : This library is useful for implementing the following string manipulation functions : 

CONVERTING  LOWERCASE  FARSI  STRINGS  TO  UPPERCASE

CONVERTING  UPPERCASE  FARSI  STRINGS  TO  LOWERCASE

FINDING  OUT  IF  THE  LEFTMOST  CHARACTER  IN A  FARSI  STRING  IS  A  LOWERCASE  ONE

FINDING  OUT  IF  THE  LEFTMOST  CHARACTER  IN A  FARSI  STRING  IS  A  UPPERCASE  ONE

CONVERTING  THE  LAST  CHARACTER  IN  A  FARSI  STRING  TO  UPPERCASE

DELETING  (TRIMMING)  ALL  SPACES  IN  A  STRING

DELETING  (TRIMMING)  ALL  SKETCHING  CHARACTERS  (KESHIDEGI)   IN  A  STRING

 

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Copyright 2002

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