System Worker Vs. LAUNCH EXTERNAL PROCESS
System Workers might look like LAUNCH EXTERNAL PROCESS — but they're way more powerful. This 15-minute video explains how to use System Workers with ...
May 18, 2022
1 min read
4D Language
Design application logic with strong typing, object oriented principles, structured error handling, and modular class architecture. Write clear, maintainable code that works consistently across desktop, web, REST, and client server environments.
Form and subform communication made easy!
Starting with 4D v19 R5, the ability to associate a variable with a subform has enriched the possibilities of interfaces and communication between for...
April 28, 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
Access your component classes from your host project
Components can now publish classes! And even better, if your application is still in binary mode, you can now benefit from classes and object-oriented...
April 25, 2022
1 min read
More options for object set enterable command
There is a multitude of interfaces and rules to be respected. Often, these constraints are linked to the domains of activity. Obviously, some data can...
January 18, 2022
1 min read
New possibilities to customize the code editor
When it comes to customizing the code editor, everyone thinks of the font and colors of the code. But it is also possible to customize the code editor...
January 17, 2022
1 min read
Saving project source code without tokens
Commands, constants, tables and fields are stored with their tokens in the project source code files (4dm files). This allows 4D to rename them automa...
January 17, 2022
1 min read
Tag your comments, a feature by developers for developers
Comments are essential in a developer's life. When we work on a new feature, we often add comments that are reminders. For example: to validate a ...
January 14, 2022
1 min read
A new command to get detailed information about licenses
It's sometimes helpful to monitor 4D licenses on your server. That's why with 4D v19 R4, we decided to provide you with a new command giving all the i...
January 14, 2022
1 min read
Launch an external process asynchronously
Sometimes you have to run processes in the background, and as soon as one finishes, perform some actions according to its exit code. From the v19 R4, ...
January 14, 2022
1 min read