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Zarko Gajic
Zarko's Delphi Programming Blog May 2006 Archive

By Zarko Gajic, About.com Guide to Delphi Programming

Adding Advanced User Controls to a Web Page Dynamically

Tuesday May 30, 2006
ASP.NET Tutorial :: A Beginner's Guide to ASP.NET Programming for Delphi developers: Chapter 24. User Controls allow a Delphi ASP.NET developer to wrap the common UI features of a ... Read More

Delphi Week in Review!

Sunday May 28, 2006
05/02-28/2006 :: "Week in Review" is an overview of the news, happenings, interesting postings and in general anything that was related to Delphi in the last 7 days (posted ... Read More

Audio CD in the CD Drive?

Saturday May 27, 2006
TIPS :: We can use the Windows API function GetDriveType() to test if the drive is a CD-ROM drive then use the Windows API function GetVolumeInformation() to test if the ... Read More

Incremental Searching in Database Applications

Friday May 26, 2006
BDE :: The Incremental searching article, presented an algorithm to search for values in a database table. GoToNearest method was used to find the nearest match to a partial ... Read More

Select All Rows (Records) in a DBGrid from Code

Thursday May 25, 2006
DBGrid :: When the DBGrid's Options property includes dgRowSelect and dgMultiSelect, users can select multiple rows in a grid. Here's how to select the entire DBGrid from code.

Developing and Using Custom User Controls in ASP.NET

Tuesday May 23, 2006
ASP.NET Course :: Besides using HTML and Web server controls, you can easily create your own custom, reusable controls by using the same techniques you have learned to develop ... Read More

Delphi Week in Review!

Sunday May 21, 2006
05/05-21/2006 :: "Week in Review" is an overview of the news, happenings, interesting postings and in general anything that was related to Delphi in the last 7 days (posted by ... Read More

Get the State of the Alt, Ctrl and Shift Keys

Saturday May 20, 2006
TIPS :: The following functions can be used to check if the Shift, Ctrl or Alt key(s) are pressed ...

Understanding Recursive Functions

Friday May 19, 2006
TUTORIALS :: Recursion is a general method of solving problems by reducing them to simpler problems of a similar type. A recursive subroutine constantly calls itself, each time in a ... Read More

Delphi Week in Review!

Sunday May 14, 2006
05/08-14/2006 :: "Week in Review" is an overview of the news, happenings, interesting postings and in general anything that was related to Delphi in the last 7 days (posted by ... Read More

Path Shortener: "c:\AB\C...DE\F.ghi"

Saturday May 13, 2006
TIPS :: Sometimes when a huge path [any long string] is to be displayed in a small space, it is desirable to see the start and the end of the ... Read More

TScreen Object Demystified

Friday May 12, 2006
VCL Usage :: Coding the TScreen object, obtainer of all information about the current state of the screen in a Delphi application. Simply put, TScreen represents the state of ... Read More

Match column title alignments with field alignments in DBGrid

Thursday May 11, 2006
DBGrid twips :: Alignement of each field's data in a DBGrid can be set using the Alignement property. Here's how to match Column title alignement with field alignement...

How to Draw a Gradient Fill on a Canvas

Monday May 8, 2006
TIPS :: Here are two custom Delphi functions to paint a Canvas object using gradient fill from one color value to another, either vertical or horizontal...

Delphi Week in Review!

Sunday May 7, 2006
05/01-07/2006 :: Week in Review" is an overview of the news, happenings, interesting postings and in general anything that was related to Delphi in the last 7 days (posted by ... Read More

How to Get the Size of a Blob Field in the DB

Saturday May 6, 2006
TIPS :: Here is a custom function "GetBlobSize" that returns the (bytes)size of a given blob, memo, or graphic field. More on working with Blobs in Delphi

Understanding and Using Functions and Procedures

Friday May 5, 2006
Beginners Corner :: Have you ever found yourself writing the same code over and over to perform some common task within event handlers? Yes? It's time for you to learn ... Read More

Displaying and editing MEMO fiels in DBGrid

Thursday May 4, 2006
DBGrid :: If you are developing database applications with tables containing MEMO fields, you'll notice that, by default, the TDBGrid component does not show the contents of a MEMO ... Read More
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