ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

List of extension attributes
The list of extension attributes ......
Characteristics of Table controls in a page
Table controls allow you to display and/or enter data......
Managing the programming errors
The security mechanism of WLanguage is enabled when a programming error occurs in an application......
Printing in PDF
WINDEV, WEBDEV and WINDEV Mobile allow you to create a PDF file during a print......
The Looper control: Custom synchronization
How to manage the synchronization between: the page displayed in the browser. This page contains a Looper control that displays the records found in an HFSQL file. the corresponding page context found on the server....
Exchange operator (<=>)
The <=> operator is used to exchange the contents of two elements...
Native 64-bit and native 32-bit: a single source code
The 64-bit operating systems are starting to appear on the PCs and on the servers......
Log-based replication: Programming the log-based replication in WLanguage
Several WLangage functions allow you to include log-based replication in your application and to customize it......
Transactions: Secure processes on HFSQL data files
This chapter presents the following topics......
WDOptimizer: Optimizing indices
WDOptimizer includes multiple modes to optimize indices......
Looper controls populated programmatically: Operations in WLanguage (prefix syntax)
Here is an overview of how to handle Looper controls populated programmatically in WLanguage...
HFConf.Ini file
The HFConf.INI file is found at server root. This file is used to define several characteristics of HFSQL Client/Server server....
HFSQL server replication
The replication between HFSQL servers consists in automatically replicating the data from server to server, in an asynchronous way......
Restoring an HFSQL Client/Server database
A backup of a HFSQL Client/Server database can be restored at any time......
Recompiling the project
The project compilation is a process used to......
Report templates and inheritance
When a report template is applied to a report, all the controls and code found in the template are "copied" into the report......
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes......
Anchoring applied to window controls
The windows of a WINDEV application can be resized at runtime......
NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of HFSQL data files and for all the other types of accesses (Native, OLE DB, ......
Page templates and inheritance
When a page template is applied to a page, all the controls and code found in the template are "copied" into the page......
Managing the load balancing (dynamic load balancing on server)
The server that is hosting a HFSQL database engine can be very busy......
Native SQL Server Connector license agreement
Filtering a data file, a view or a query
A filter is used to define by programming a selection of records corresponding to one or more criteria......
Result of a query in test mode
After its execution in test mode (see Running the query test), the result of the query can be......
Handling Scheduler controls programmatically
A Scheduler control can be......