ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

WHILE statement
In a WHILE statement, the expression is evaluated at each beginning of the block of statements...
LOOP statement
The statement block is repeated endlessly...
ErrorAsynchronous (Function)
Displays a custom error message in a non-blocking system error window.
HSecurity (Function)
Enables or disables the automatic security mechanism on one or more data files.
ErrorBuild (Function)
Displays a custom error message in a system error window.
HDescribeConnection (Function)
Describes a new connection to an external database.
Native SQL Server Connector: Specific features and remarks
The following paragraphs present the main aspects and specific features of the Native SQL Server Connector......
HFSQL Client/Server database: Recommendations
This help page presents the main recommendations for optimizing the security and performance of an HFSQL Client/Server database according to the constraints and desired features......
Creating and generating an external component
A component must be created from a project containing all the elements required for the component......
fWriteLine (Example)
Usage example of the fWriteLine function
Constants for Table, TreeView Table, Looper and List Box controls
List of constants used by the functions for managing Table, TreeView Table, Looper and List Box controls....
Automatic table modification
The automatic table modification updates the description of tables on user computers......
zipCreateExe (Function)
Creates a self-extracting archive as a 32-bit executable (.EXE).
Native MariaDB Connector: Requirements and remarks
This page presents the main aspects and requirements of the Native MariaDB Connector......
HTransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
URI (Type of variable)
The URI (Uniform Resource Identifier) type identifies physical or abstract resources (e.g. files or Web pages).
WDZip: Create or modify an archive
This help page explains how to......
TableInsertLineWithAnimation (Function)
Inserts a row into a Table control or into a TreeView Table control with an animation.
Journalized replication: Programming journalized replication in WLanguage
Several WLanguage functions allow you to include log-based replication in your application and to customize it......
DisplayedItem (Property)
The DisplayedItem property is used to: Find out the item or the variable displayed by the control. Modify the item or the variable displayed by the control....
Managing the HFSQL contexts in the windows and in the reports
An HFSQL context contains information relative to the data used......
fWrite (Example)
Usage example of the fWrite function