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This is the documentation for the latest 4D Feature Release. Looking for a LTS documentation? Select 20, 19 or 18.

Logo de la bannière 4DDocumentation for 4D developers

Prise en main

Installation4D at a glanceRelease Notes

Développement

Creating or opening a projectArchitectureProject SettingsDatabase structureCode & MethodsDependenciesCompilationApplication BuilderDébogageApplication Preferences

4D Language

ConceptsCommands by nameCommands by themeClasses

Core Development

ORDAProcessDatabase MethodsTransactionsTransformation tagsDate and Time Formats

Applications Web

4D Qodly Pro Serveur WebServeur REST

Applications Desktop

Client/ServeurFormulairesMenusLabelsPropriétés utilisateurDroits d'accès

Server & Admin

4D Server WindowWebAdmin & Data ExplorerInterface de ligne de commandeTLSLicencesLog FilesCentre de Sécurité et de MaintenanceSauvegarde et restitution

Extensions

Extending 4D applications4D Qodly Pro 4D View Pro4D Write Pro4D NetKit 4D AIKit4D Progress 4D SVG 4D Widgets 4D QPDF Go Mobile with 4D Build4D