ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HCancelDeclaration (Function)
Used to: Delete a declaration made previously using HDeclare, HDeclareExternal, HDescriveFile. After this operation, the data file is no longer recognized by the HFSQL engine. Free the resources of a query (after calling HExecuteQuery or HExecuteSQLQuery)....
HListItem (Function)
Returns the list of items: found in a data file ( a query or a view) known to the HFSQL engine. The data files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account. found in a Record variable....
Charset (Property)
The Charset property is used to: Get the character set used by a Font variable. Change the character set used by a Font variable. Get the character set used by an HFSQL data file....
Managing the HFSQL contexts in the windows and in the reports
An HFSQL context contains information relative to the data used......
REST Webservices: Automatic deserialization of request
In a REST Webservice, an entry point can have several types......
Telemetry: Installing the server
To use the telemetry, you must install on a computer......
Managing videos (transmitted by a Web Camera)
To manage the video sequence currently broadcasted by the web camera installed on the current computer, WINDEV proposes......
Handling List Box controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle List Box controls....
Handling a TreeView control through programming
WINDEV and WEBDEV allow you to handle a TreeView control programmatically......
Interactive notifications
A notification is a small window that appears at the bottom right of the screen, and that can be viewed at any time in the Windows notification area......
Constants for managing the internal windows
ERR_BAD_CONTEXT_INTERNAL
Internal window management functions
The following functions are used to manage the "Internal windows" controls......
Server triggers
Server triggers are stored procedures executed by the server before or after a write operation performed on a database file......
Brochure of new features: new features of WINDEV Mobile
New features in WINDEV Mobile 28 presented in the New Features brochure....
New Features brochure - Version 28: WINDEV Mobile news
New features in WINDEV Mobile 28 presented in the New Features brochure....
NbKeyItem (Property)
The NbKeyItem property is used to get the total number of key items (including composite keys) in a record of: a file described in the data model editor, a file described through programming, an HFSQL view, a query....
SQLTransaction (Function)
Begins, commits or rolls back a transaction: on the files of a database opened by SQLConnect, on the files of a database opened by a connection (OLE DB or Native Access/Native Connector) described in the data model editor or by HOpenConnection....
License agreement for the tools included with WINDEV, WEBDEV and WINDEV Mobile
License agreement for the tools included with WINDEV, WEBDEV and WINDEV Mobile...
The "Debugger" pane
The "Debugger" pane displays the debugger options when debugging the project or a project element ("Debugger" option)......
HFSQL Client/Server: Scheduled tasks
The scheduled tasks are used to schedule automatic tasks......
Referring to an element in a WLanguage event / process
2. WLanguage functions specific to phones
A WINDEV Mobile HFSQL application can also operate in Client/Server mode....
WEBDEV 2024: New WLanguage features
In version 27, new functions, properties and data types have been introduced and some have been improved......
1. WLanguage functions specific to WEBDEV