ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Troubleshooting
This chapter presents the main problems (and their solutions) that can occur when using the WEBDEV Application Server...
Geolocation functions/GPS
The following functions are used to handle geolocation data and to control GPS devices......
ERR_CANNOT_LAUNCH
Events associated with a Navigation Bar control
InPrelaunchedSessionMode (Function)
Used to find out whether the site is started in "pre-launched session" mode of WEBDEV.
appServerScheduledTask (Type of variable)
The appServerScheduledTask type is used to manage a scheduled task of WEBDEV Application Server through programming (for a site or a webservice).
fWebDir (Function)
Returns the physical name of the directory containing the images, the JavaScript files and the Java files of the WEBDEV site.
Reports
A report provides a custom view of data......
WEBDEV Application Server remote control functions (prefix syntax)
The following functions are used to manage users and connections on a WEBDEV Application Server, using prefix syntax:
WEBDEV concepts
Characteristics of a PCL print
The result of a PCL print mainly depends on the technical features of the printer used (management of images and lines, management of fonts, ......
HFSQL properties
List of HFSQL properties...
Managing MQTT
MQTT is a "publish-subscribe" messaging protocol based on the TCP/IP protocol......
Tab order in a window, a page, etc.
The tab order of the controls found in a window or in a page describes the order in which the controls take focus in a window when the user presses the [Tabulation] key......
Native SQL Server Connector: Programming with HFSQL functions
To use an SQL Server database with Native Connector, the structure of SQL Server tables must be imported into the data model analysis......