4D DESIGN REFERENCE

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4D v20.1

4D Design Reference

About Project Databases

This manual describes how to design 4D binary databases. Starting with 4D v18, you can also design 4D project databases.

Project database documentation is supported on the developer.4d.com/docs platform.
For information about converting binary databases to project databases, please refer to the Converting databases to projects section

Introduction

Managing 4D databases

Searching and replacing in the Design

Drag and drop of objects

Creating a database structure

ORDA

Managing forms

Building forms

Working with active objects

Properties for active objects

List boxes

Library objects

Subforms and widgets

Output forms and reports

Exporting and importing data

Publication and use of Web Services

Backup and restoring of the application

Maintenance and security center

Compilation

Finalizing and deploying final applications

Developing and installing 4D components

Debug log files

Appendixes

What's new