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
For Developers
Build better 4D applications with practical patterns and technical deep dives from our blog.
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
Restrict data according to privileges or information saved in session storage
In modern application development, securing and finely managing data access are essential. Thanks to the restrict event in 4D, it is possible to dynam...
April 9, 2025
1 min read
New class to perform TCP connections
With the release of 4D 20 R8, a game-changing feature has arrived:: the TCPConnection class. This modern class leverages object-oriented syntax and su...
January 29, 2025
1 min read
4D Write Pro – Sign and secure documents
The purpose of this article is to show how, in an easy-to-implement way, you can sign and verify documents transparently. The obvious benefit of this...
January 28, 2025
1 min read
Debugging 4D Code Directly in Visual Studio Code
For Visual Studio Code users working with 4D, a new extension called 4D-Debugger that works with 4D 20 R8 is now available. The new 4D-Debugger exten...
January 23, 2025
1 min read
Enhancing the Debugging Experience
Debugging plays a vital role in any development process, and improving the debugger's functionality and usability can significantly enhance a develope...
January 22, 2025
1 min read
Improved FORM EDIT Command: Access Form Objects Easily
The 4D language allows you to develop outstanding business applications. Many of you have taken the initiative to create tools that streamline specifi...
January 21, 2025
1 min read
Enhanced Session Management for Development and Testing
With the latest 4D updates, we've extended the Session command to the Client/Server connection, enabling access to session storage at the Client level...
January 21, 2025
1 min read
Empower Your Development Process with your forms
During the development phase, early detection of syntax errors is important for producing quality code. Real-time code checking is a valuable aid to d...
January 20, 2025
1 min read