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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 foreground of a form while blurring out the rest. You can create this type of interface with sub-forms and call forms. The code can get complicated if you’re working with a multi-page form.

To simplify your work, Vincent De Lachaux has prepared a class to simplify the management of sub-forms displayed in a multi-page form. It handles loading the sub-form on the fly, controlling it from a worker, and repositioning it if the main form is resized. You can focus on your dialogues without worrying about the mechanics.

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Fortifying Security: 4D Embraces OpenSSL 3.1

In an era where data security is paramount, updating security libraries is crucial.
4D v20 has taken a significant step forward by upgrading its OpenSSL library from version 1.1 to 3.1.
This advancement brings forth a multitude of advantages and improvements for 4D developers, enabling them to build applications that are not only highly secure but also exceptionally efficient.
Now, let’s explore these benefits in detail.

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Create a standalone application with the Build4D component

A new build4D component has been available on GitHub for a few months. It empowers you to effortlessly create a compiled project or a component. Things are getting even better; this new component version will enable you to generate a single-user application, expanding the possibilities for your development workflow.

So with tool4D available since v20, integrating the application generation process into your CI (Continuous Integration) tools has become remarkably convenient.

Let’s delve into the details!

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4D v20 LTS is Here

4D v20 LTS, the most feature-rich version of 4D to date, has been released!

Over the past few years, we’ve taken 4D forward at an unprecedented pace. We introduced cutting-edge concepts such as Object-Oriented Programming (OOP) and classes, refined the 4D language to match the familiarity and intuitiveness of popular languages such as JavaScript & TypeScript, and introduced ORDA, an innovative way to access data, among other advancements.

Download 4D v20 LTS Now 

Now, with 4D v20, witness the integration of Visual Studio Code editor, harness the exceptional capabilities of 4D Write Pro for template-based document generation, and empower yourself with features to build modern applications’ UIs.

And that’s not all! Check out the highlights below:

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4D View Pro: Create a Pivot Table from a data table

Pivot tables are among the most valuable features that allow users to swiftly summarize and analyze large quantities of data to see comparisons, patterns, and trends in their data. From the 4D v19, pivot tables are included in 4D View Pro. This blog post reviews how to use a pivot table through the ribbon interface.

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Declaring Class Properties

The 4D language is constantly improving. For v20, we bring you a new feature that will ease the use of your classes: declared class properties. Declaring your class properties will significantly improve autocomplete and give you meaningful errors when compiling. Do you want to know more about it? Let me show you how it works!

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Logging ORDA Calls on the Server

Since its release, ORDA has grown in popularity and is now widely used on your production servers.

With 4D v20, we provide two improvements on how ORDA requests are logged server-side:

  1. The first is an improvement of the request log that will now give more information about ORDA calls.
  2. The second is the addition of a server-side ORDA log similar to the client-side ORDA log. Let me introduce you to these new features.
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Build an Application with 4D Commands

Since several versions of 4D, different features have been added to create your own build chain. For example,

  • the creation of a “.zip” folder,
  • the addition of information such as the copyright on an executable or a “dll”,
  • the creation of an “info.plist” file,
  • and the new build4D component.


With 4D v20, two new features allow finalizing the creation of a standalone or client/server application in 4D code:

  • the addition of an icon to an executable
  • the generation of the deployment license file for a server (OEM license only) or a standalone application.
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Data Explorer Embedded in 4D

Data Explorer allows you to view the data in your database. You can choose which fields to display, organize, filter, and sort the data.

With 4D v20, the Data Explorer can be opened in 4D instead of an external browser. Users can access the Data Explorer directly from the toolbar with just one click, saving time and improving productivity.