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Copyright (c) 1991 Oakland Group Inc.
Thank you for your interest in the Look & Feel (tm) Screen Designer!
Please feel free to make copies of the the Look & Feel demo and pass it on
to others.
-------------------------------------------------------------------------------
This disk contains the file lnfdemoz.exe, a self-extracting archive with the
Look & Feel demo in it. We suggest that you create a demo directory on your
machine and copy lnfdemoz.exe to that directory. Change to your demo directory,
then type:
lnfdemoz
This will un-archive the demo and the files that it uses, copying them into
your demo directory.
To run the Look & Feel demo, type:
lnfdemo
If you wish to run the Look & Feel demo in monochrome mode, type:
lnfdemo -m
The demo will show and explain some of Look & Feel's features. It shows some
simple screens being created and tested. Source code is generated for one
of the screens. You can look at the generated source in the file one.c.
When the demonstration is finished you will be able to try out Look & Feel
on your own.
To explore Look & Feel without running the playback demonstration, type:
lnfdemo -d
When using Look & Feel, you can call the main menu by pressing F10.
This allows you to use any of Look & Feel's features. You can call the help
system either directly by pressing F1 or by selecting it from the main
menu. You can load sample screens from the file sample.lnf using the
Disk-Load command. For example, to load the piano screen:
(1) type F10, D, L to get the Screen Load Box,
(2) type "sample.lnf" in the file field,
(3) type "piano" in the screen field, and,
(4) press ENTER in the OK field.
You can play the piano by using the Screen-Go (F9) command and typing
in the letters on the piano keys.
This demo version of Look & Feel is identical to the actual version with the
following exceptions. It cannot generate source code and its file saving
functionality is limited. You can only save screen "demoscr" to file
demo.lnf.
The demo was created using C-scape's keystroke record and playback facility.
-------------------------------------------------------------------------------
About Look & Feel
The Look & Feel Screen Designer is a visually oriented screen designer
and code generator. It provides a simple and powerful method for creating
and modifying screens, so you can use it to experiment with various
interfaces for your applications before selecting a final one. Look & Feel
is a powerful design aid for both programmers and non-programmers.
With Look & Feel, you can create titles, data entry fields, text editors, and
menuing systems (including pulldown and nested menus). Screens can also be
larger than your display, as Look & Feel supports vertical and horizontal
scrolling. Since Look & Feel is a "wysiwyg" editor, the screens you draw
will look the same as the screens you will have in your finished program.
Within Look & Feel you can also:
* Use all standard C data types including structures and arrays
* Edit in multiple windows
* Move, cut, paste, and copy fields and blocks
* Use on-line, context-sensitive help
* Simulate the operation of all designed screens and menus without
compilation
* Link your own functions into Look & Feel to customize its simulation
capability.
Each screen you create will contain fields. Most fields are data entry areas.
Look & Feel provides over thirty functions to govern field behavior, and you
can also include your own custom functions. You can also assign variables,
prompts and commands to fields, and validate their data.
When you complete a screen, you can save it to disk in an .lnf file. You can
also load ASCII files or files from Dan Bricklin's (tm) Demo Program and
save them in the .lnf format, allowing greater flexibility in prototyping.
Screens in .lnf files can be called from a program at run time, which helps
shrink executable code size. By using .lnf files, you can change an
application's screens without recompiling.
You can also use Look & Feel to convert finished screens to C code, which you
can read and alter as you please. You can even port the code--without
modification--to any environment supported by the C-scape (tm) Interface
Management System. This code calls C-scape library routines to create a
function that displays the screen, handles data entry and other functions,
and returns the data to the calling routine.
Because Look & Feel has a complete text editor, you can generate code and
edit it without leaving the program. The editor allows you to perform
searches, search and replace operations, and block operations (such as copy,
delete, paste, and cut).
The source code for Look & Feel is available directly from Oakland Group.
Since Look & Feel was built using C-scape, this demo also serves to exhibit
C-scape's various features, and how they can be used.
Thank you for your interest in Look & Feel. If you have any further questions
about Look & Feel or any other Oakland products, please call us at
1-800-233-3733 or 1-617-491-7311.