Touched event
ORDA is a core long-term feature that opens up a world of new possibilities in 4D. We keep enhancing ORDA to help you write powerful code. As a resul...
July 16, 2025
1 min read
For Developers
Build better 4D applications with practical patterns and technical deep dives from our blog.
Smarter Copy-Paste to Protect Your Data
You work across environments — test, production, staging — and you copy more than text. Sometimes it’s formulas. Sometimes it’s data that shouldn’t mo...
July 15, 2025
1 min read
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
Building Forms on the fly with New Data Source Commands
In application development, it is often necessary to build forms dynamically. For example, you might want to generate a search form on the fly, tailor...
July 15, 2025
1 min read
Generate, share and use web sessions One-Time Passcodes (OTP)
Today, web applications have become integral to our lives, offering convenient features that save time and simplify everyday tasks. As an example, cre...
June 16, 2025
1 min read
New class to handle incoming TCP connections
In 4D 20 R8, we introduced the TCPConnection class, allowing you to initiate TCP connections to remote servers. With 4D v20 R9, we're excited to bring...
May 16, 2025
1 min read
Formulas in Label Wizard
Starting with 4D 20 R9, the Label Wizard component has received update to enhance your experience with formulas. This improves security by preventing ...
April 25, 2025
1 min read
Use class in embedded web area with $4d
With 4D 20 R9, 4D introduces new commands that allow developers to define an object context for $4d, ensuring only specific functions are exposed. Pre...
April 24, 2025
1 min read
Warnings on Deprecated Language Elements
With the release of 4D 20 R9, deprecated language elements now generate warnings, helping you keep your code as modern and efficient as possible. Let'...
April 23, 2025
1 min read
Edit and Debug Component Methods and Classes in 4D from the host project
When working with your own component, switching between the host and component environments just to debug or enhance your component code can be inconv...
April 23, 2025
1 min read