List Boxes: Time Columns and Footer Calculation!
List boxes are great, powerful tools to display data in the interface. They can display fields from records, items from arrays, and since recently, en...
April 23, 2021
1 min read
Roland Lannuzel
Use collections and lists within forms objects
Collections are increasingly used in 4D programming. Starting with 4D v19, you can use them to define the content of some interface objects, including...
April 23, 2021
1 min read
4D Language – String comparison improvements
The 4D language offers 20+ commands to handle strings. And with 4D v18 R6, 4D introduces a new command: Compare strings. And yet another command has b...
January 25, 2021
1 min read
List boxes: Manage clicks in edited cells
As a developer, you're used to handling events inside form objects. The most common is the on clicked form event which can be used in most objects, in...
January 22, 2021
1 min read
4D Write Pro – Full text indexation
"I want to find all of the documents that talk about tango! I need them quickly! Can I do that?" Ok, but first breathe! Keyword searches within 4D W...
December 10, 2020
1 min read
4D Write Pro: Decimal point or comma for number alignment?
Numbers ... big, small, very big, very small ... No matter their size, it's always better if they're easy to read. In most countries and languages, s...
October 27, 2020
1 min read
Type ahead made easy
If you're interested in the user interface, you may have already used the On before keystroke and On after keystroke events. You'll certainly be happy...
October 27, 2020
1 min read
List boxes: Setup movable rows (or not!) by code
List boxes are powerful form objects. They're easily created and manipulated, and most importantly, they can handle any kind of data. Additionally, th...
August 12, 2020
1 min read
4D Write Pro – More control when using formulas
As a 4D Write Pro user, you've most likely used expressions (or more recently, formulas) to automatically fill in certain parts of your documents. The...
August 4, 2020
1 min read
4D Write Pro – Direct export to PDF!
What if I told you that with 4D v18 R4 you can export 4D Write Pro documents directly to PDF format (on both macOS and Windows), without needing to in...
July 29, 2020
1 min read