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Prestwood IT Newsletter Dec 2010 Issue - Delphi 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 Delphi group, you'll receive the following content below mixed in with the other groups you elect to include.

Prestwood eMag
Our monthly opt-in coupons+newsletter.
  December 2010 - Delphi Edition (762 of 4,803 subscribers receive this group's content.) Year 12 Issue 12  
Your full service technology partner!
From The Editor
Mike Prestwood

 Thank you for a wonderful year!

The splitting up this year of our online community,, from our business website,, proved to be a good move for both our online I.T. professionals website and our business. PrestwoodBoards now has over 11,000 I.T. professionals who have joined!

As for, the opportunity to provide our expanded I.T. services this year to our long time and new clients has brought us business growth and great satisfaction. We have enjoyed providing our new full line of I.T services for software development, web services, and computer tech.

We look forward to helping you meet your technology needs throughout this next year.

We wish you the very best in 2011! 


Mike Prestwood

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Expert guidance from working professionals!
American I.T. workforce topic:
Sharpening your skills - A short story
by Ramesh R
Here is a short story about a woodcutter and his job. From this job, we have lot of learnings that implies to our career and sharpening our skills. Such examples in life are very important for shaping our career. Enjoy the short story.

 Delphi Group Top 
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Language Details topic (classic post):
by Mike Prestwood
Arrays in Object Pascal.

Language Details topic (classic post):
Delphi Overloading (overload)
by Mike Prestwood

Object Pascal

  • Operator - Yes. But not Pascal.
  • Method - Yes.  

 Monthly Delphi Lesson
OOP Topic:
Code Snippet of the Month

In Delphi, you use the class keyword followed by the parent class in parens. If you leave out the parent class, your class inherits from TObject.

In the following example, a terminator T-600 is-an android. 

TAndroid = class
T-600 = class(TAndroid)
Delphi for Win32 Topic:
Resource Link of the Month: GExperts

I recommend GExperts for one simple reason: I'm addicted; I can't live without it.

GExperts is a collection of incredibly useful plug-ins for the Delphi IDE. There are too many to list, so I'll mention just a couple of my favorites:

Replace Components: Select one or more controls on a form, choose GExperts "Replace Components," and you're presented a dialog that allows you to select a replacement component from a very smart drop-down. As GExperts replaces the selected component(s), it also preseves as many properties as possible.

Component to Code: Select a component on one of your forms or data modules, select GExperts "Component to code," and all the code necessary to create that component in explicit code is magically placed on the clipboard.

MessageDlg builder: While in the Delphi code editor, simply hit Crl-D. GExperts pops up a dialog in which you can type in text to be displayed, choose which buttons to include, choose an icon for your MessageDlg, and even test it. Clicking OK inserts the appropriate MessageDlg call right into your code.

Oh. Did I mention that GExperts is free? Don't start Delphi again without first downloading and installing GExperts. You'll be hooked, too.

Using Controls Topic:
FAQ of the Month: Using Delphi's TColorGrid
Question: How do you specify which color to use with TColorGrid from the samples page? Why isn't it documented?


Use the public methods ForegroundColor and BackgroundColor. For example, in the OnChange event of a ColorGrid component you could do the following:

procedure TForm1.ColorGrid1Change(Sender: TObject); 
   Edit1.Font.Color := ColorGrid1.ForegroundColor;
   Edit1.Color := ColorGrid1.BackgroundColor;

None of the components on the "Samples" page are documented.

Using Data Topic:
Tip of the Month
When you need to put quotes, single or double, or even another character, around a string there are two methods to lend a hand: QuotedStr and AnsiQuotedStr. QuotedStr will put single (') quotes around your string or variable. The other function you can call is AnsiQuotedStr which adds double quotes.

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