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Documentation for 4D developers

Getting Started

Installation 4D at a glance Release Notes

Project & IDE

Creating or opening a project Architecture Settings Database Structure Methods Dependencies Compilation Application Builder Debugging Application Preferences

4D Language

Concepts Commands by name Commands by theme Classes

Core Development

ORDA Processes Transactions Transformation tags Date and Time Formats XML Processing Records & Selections

Web Applications

4D Qodly Pro Web Server REST API

Desktop Applications

Client/Server Sessions Forms Labels Standard actions Drag and Drop Menus Access Rights

Server & Admin

4D Server Window WebAdmin & Data Explorer Command Line Interface TLS Licenses Log Files Maintenance and Security Center Backup and Restore

Extensions

Extending 4D applications 4D AIKit 4D Analyzer 4D Embedding Studionew!4D Mobile App Server 4D NetKit 4D Progress 4D Qodly Pro 4D QPDF 4D SVG 4D View Pro 4D Widgets 4D Write Pro Build4D Go Mobile with 4D