ORDA – Get started with the entity constructor
The 4D language supports the concept of classes and thus, the concept of constructor. On the another hand, the ORDA abstraction layer, through Data M...
July 15, 2025
1 min read
Class
Using Classes Across Components
Component developers frequently require the utilization of a class from another existing component. With 4D 20 R6, when a component has a declared na...
July 17, 2024
1 min read
New 4D remote session object with Client/Server connection and Stored procedure
In 4D applications, four types of sessions exist 4D Remote session, Stored Procedure session, Mobile session, and Web session. The Session command al...
May 3, 2024
1 min read
Shared Classes
Do you want a simplified way to use shared objects, following the classic object syntax and automatically calling use/end use when needed? Fasten you...
May 2, 2024
1 min read
Singletons in 4D
4D 20 R5 delivers a powerful feature for developers: Singletons! The singleton design pattern creates a single instance of a class accessible through...
May 2, 2024
1 min read
A class for easy handling of your sub-forms
On the forum, several requests, tips, or questions have been asked about displaying a message, an hourglass, or some interface elements in the foregro...
February 13, 2024
1 min read
Meet the Improved Distinct Function
Retrieving the list of unique data elements is always helpful when manipulating data. In some cases, retrieving the number of occurrences of each valu...
April 26, 2023
1 min read
Tips & Tricks for your 4D Apps – September Edition
by Add Komoncharoensiri, Director of Technical Services at 4D Inc Here we go with another set of tips and tricks. As you know, 4D Knowle...
September 28, 2022
1 min read
New Tips & Tricks for your 4D Applications
by Add Komoncharoensiri, Director of Technical Services at 4D Inc As you know, 4D Knowledge Base is a library of information about the 4D...
May 16, 2022
1 min read
A Seamless Way to Manage Parameters
In the declaration of a function or method, you explicitly define its parameters. Then, when calling that function or method, you can pass fewer param...
April 25, 2022
1 min read