Preemptive processes for 4D language
Since 4D v11, the database server and SQL server both use preemptive multi-threading. Starting with 4D v13, the Web Server in Static mode also uses pr...
December 12, 2016
1 min read
v15 R5
Exchanging messages between processes
4D v15 R5 introduces a new, simple and powerful way to exchange information between processes and also between processes and forms. This feature is ba...
November 30, 2016
1 min read
Application sleep notification
With the new network layer, we can implement new functions that were impossible with the legacy network layer. The first is the application sleep noti...
October 3, 2016
1 min read
Delete a folder and its contents
The DELETE FOLDER command has been enhanced with an optional parameter that permits you to delete the selected folder and its contents at once. ...
August 18, 2016
1 min read
Add an icon to listbox header
From 4D v15 R5, you can add an icon in the listbox header by programming. The image can come from a file, a picture variable or the picture library. T...
July 19, 2016
1 min read
4D Write Pro: Pagination & Printing
With 4D v15 R5, 4D Write Pro is moving forward! A new page view mode is available and two new commands are available in order to print a document....
July 4, 2016
1 min read
Single Sign On (SSO)
For our customers running client-server applications on Windows, it is possible with 4D v15 R5 to enhance the end-user experience by using the Single ...
June 13, 2016
1 min read