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December Edition
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eMag Nov 2009 Issue - Paradox Edition


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Each month on or after the 1st, and only once a month, we will send you content from up to 5 community groups. If you select this Paradox group, you'll receive the following content below mixed in with the other groups you elect to include.

Prestwood eMag
Message Boards
  November 2009 - Paradox Edition (1671 of 4,766 subscribers receive this group's content.) Year 11 Issue 11  
I.T. Discussion Community!

Expert guidance from working professionals!
Mike Prestwood
PrestwoodBoards topic:
New Prestwood Study Tests

 Although our Prestwood Certified area is currently in beta, our study tests are available now. Each study test features beginner, intermediate, and advanced questions. Although we have to add many more questions, the tests are live now and usable for study and review. The purpose of our study tests is to learn and review. You hover over answers to reveal the correct answer. Each question features a pop up [Review] link of study material. Test yourself and review concepts you are not familiar with.

New:  Check out our study tests...

Study, review, learn.

Delphi for Win32 topic (classic post):
Prestwood Sponsors RAD Studio 2010 Sacramento Tour Stop!

Prestwood Software is sponsoring the Technology is moving fast. During this free two-hour technical seminar, you'll learn the secrets to getting the most out of RAD Studio 2010 and new Windows technologies.  You'll get a firsthand look at new capabilities that will make you more productive and successful with Delphi--, C++Builder--, Delphi Prism-- and Embarcadero-- RAD Studio 2010.

RAD Studio/Delphi 2010 Sacramento Tour Stop! 
Wednesday, December 2, 2009
6:00PM - 8:00PM

New Horizons of Sacramento
1750 Creekside Oaks Drive, Suite 150
Sacramento, CA 95833

Sponsored by:

Prestwood Software

Coding & OO topic (classic post):
RAD Studio 2010 Tour! See Delphi 2010!

Embarcadero TechnologiesSee What's New in RAD Studio 2010 at a Free Seminar

Technology is moving fast. Learn the secrets to getting the most out of RAD Studio 2010 and new Windows technologies by attending the RAD Studio 2010 Tour in a city near you. These free two-hour technical seminars, led by noted experts David Intersimone, Anders Ohlsson, Nick Hodges, or Mike Rozlog, will give you a firsthand look at new capabilities that will make you more productive and successful with Delphi--, C++Builder--, Delphi Prism-- and Embarcadero-- RAD Studio 2010.

Touch the future with Delphi, C++Builder, and Delphi Prism!

General News & Trends topic:
John McCain Introduces Bill Against Net Neutrality

Despite it's name, "The Internet Freedom Act of 2009" does not free the Internet. It's an attack against Net Neutrality and yet another attempt to give the Internet to big business.

What is Net Neutrality? Net neutrality (also network neutrality, Internet neutrality) frees restrictions on content, sites, or platforms, on the kinds of equipment that may be attached, and on the modes of communication allowed, as well as one where communication is not unreasonably degraded by other communication streams.

Lighter Side topic:
Scrambled Text
by Mike Prestwood
Apparently if the first and last letters are correct, the rest don't matter.

 Paradox Group Top 
Visit Group | My Group Settings
P9 Book: Power Programming topic (classic post):
Power: Chapter 12, Handling Reports
by Mike Prestwood

Chapter 12, "Handling Reports" from Paradox 9 Power Programming by Mike Prestwood.

Interactive Paradox: Using Data topic (classic post):
A Data Normalization Primer - Part 2
by CliffSuttle
This article by Cliff Suttle was first published in the Halloween 2002 issue of Prestwood eMagazine.

 Monthly Paradox Lesson
OPAL: Language Basics Topic:
Code Snippet of the Month

In ObjectPAL, an empty variable can be unassigned (essentially null) or blank (equivalent to ""). You have to use both isBlank and isAssigned to check for an empty string.

 s String
;s = ""  ;Uncomment to test 2nd case.
if isBlank(s) or not isAssigned(s) Then
 msgInfo("", "empty string")
Interactive Paradox: Using Data Topic:
Definition of the Month: Project Alias
A project alias, like public aliases, point to a folder. Project aliases are stored in the PDOXWORK.CFG file, which is loaded whenever you change working directories.
Paradox for Linux Topic:
Resource Link of the Month: WordPerfect Office 2000 for Linux Prestwood Home Page

WordPerfect Office 2000 for Linux

Mike Prestwood Chapter Contributions

ISBN: 0-07-212238-2
Mike Prestwood contributed four chapters to this book and although his contribution was 15% of the book, he did not receive author credit. Mike is briefly acknowledged in the Acknowledgments on page XXI as writing "most" of the Paradox material (he actually wrote all of the Paradox material).

Forward by Michael Cowpland

I think it is interesting to read the words Dr. Cowpland wrote back in 1999 and his excitement about supporting Linux. Too bad the financial bubble burst and he couldn't follow though.

Forward from book...

With the availability of WordPerfect Office 2000 for Linux, there now exists a powerful suite of desktop applications designed specifically for Linux users. The outstanding combination of programs in the WordPerfect Office 2000 for Linux suite puts Corel out in the front as a leader of Linux technology on the desktop and brings us closer to the use of Linux in the mainstream.
    WordPerfect Office 2000 for Linux is a comprehensive office productivity suite for Linux users who are seeking a powerful and compatible solution at an exceptional value. In bringing WordPerfect to the Linux platform, Corel provides a powerful and easy-to-use word processor that's familiar to millions and adds in the full-featured power of Quattro Pro, Corel Presentations, Paradox, and CorelCENTRAL. Together these applications bring familiar tools and integrated power to end users around the world!
    Osborne/McGraw-Hill and Corel Corporation work closely together to publish books on Corel products so we can provide readers with timely, insightful, and helpful guides to help users get the most out of Corel's products. The Official Guides to Corel software represents a giant step in Corel's ability to disseminate information to our users with the help pf Osborne/McGraw-Hill and the creation of the CorelPRESS series of books. Congratulations to the team at Osborne who have created this excellent book, and congratulations to the team at Corel who supported the creation of this book!
Michael C.J. Cowpland
President and CEO
Corel Corporation
Interactive Paradox: Using Data Topic:
FAQ of the Month: Paradox and PNG Images

Does Paradox for Windows support .PNG image files?


Yes, Paradox 10 and 11 support .PNG graphics. For example, you can insert a .PNG using Edit | Paste From. However, Paradox 9 and earlier do not.

Note: All images stored in a Graphic field in Paradox tables are stored as uncompressed BMP images. This FAQ is about Paradox for Windows' ability to paste or import .PNG images into the .BMP formatted Graphic field type. For earlier versions of Paradox, you have to first convert the image.

OPAL: Commands Topic:
Tip of the Month

If you ever have a calculated field on a form not update when you think it should, then you can use the ObjectPAL method forceRefresh() to make the calculated field display the correct values. This can occur, for example, when you update a field involved with a calculated field using a TCursor.

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