Using 4D libraries within project databases
4D provides libraries to help you develop applications. One of these libraries is standard and contains preconfigured form objects and widgets, while ...
November 28, 2019
1 min read
v18
Coexistence of thread-safe and non-thread-safe commands
Have you ever needed to use methods with both thread-safe and not thread-safe calls, with conditions that skip over commands that are not thread-safe?...
November 27, 2019
1 min read
Easily send a 4D Write Pro document containing images as the body of an email!
Want to use 4D Write Pro to create HTML emails with static pictures in the text? Maybe something like a fancy newsletter with pictures of the top ten ...
November 26, 2019
1 min read
Project Databases: Post conversion
In this blog post, we showed you how to convert a binary database into a project database. Once everything is ready and the conversion has successfull...
November 22, 2019
1 min read
Zip/unzip files and folders with these commands
Before exchanging files (by email for example), we often compress them to reduce their size before transmitting them. With 4D v18, you can compress an...
November 21, 2019
1 min read
Build a custom remote connection dialog
Do you need to build a customized 4D connection dialog? Interested in connecting your client application to different servers? These are two scenarios...
November 20, 2019
1 min read
New 4D View Pro form events
As of 4D v18, a new set of 4D View Pro form events are available. They return special information that can be accessed with the new FORM Event command...
November 19, 2019
1 min read
4D Write Pro – Insertion and deletion of rows and columns
You already know that 4D Write Pro allows you to create tables and append rows to them. With 4D v18, we've got more thrilling news! We're excited to a...
November 18, 2019
1 min read
Expanding the abilities of the Form event command
As you may already know, the Form event command identifies the type of form event that has just occurred. It's typically used within a form or object ...
November 15, 2019
1 min read
C_VARIANT to store different type of values
Sometimes you want to write code being able to work with different variable types, this is especially true for generic coding. Using pointers can make...
November 14, 2019
1 min read