ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

WDTrans: Rolling back all changes made to the files held by a transaction
If a transaction is in progress, rolls back all changes made to the files since the beginning of the transaction......
WDInst: Customize the installer
The setup editor WDInst proposes a standard setup program......
Creating a combining query
A combining query (corresponding SQL statement: UNION) ......
How to fill a TreeView Table control?
This help page explains how to populate a TreeView Table control programmatically....
Binding an Image control to an item
An Image control can correspond to an item found in a table, in a query,...
Managing the application language through programming
A multilingual application is an application that can be distributed in several languages......
Report based on a Looper control
A report based on a Looper control is used to directly print the information displayed in the control......
Events associated with Combo Box controls
List of events associated with Combo Box controls...
Status bar of windows
The status bar of a window is used to display several types of information......
HListAnalysis (Function)
Returns the list of WINDEV or WEBDEV database schemas (in HFSQL Classic format) available in a given directory.
The "Window position preview" pane
The "Window position preview" pane is used to view and/or modify the opening position of the windows currently modified (according to the screen resolution used)......
Nested reports
The nested reports are used to print several reports (secondary reports) in a single report (main report)......
Image drawing and processing functions (prefix syntax)
List of image drawing and processing functions (prefix syntax)...
Automatic data masking
Data masking is a process that transforms the data in an item that will be displayed to the user......
Pre-launched sessions
A pre-launched session is a session of a Web site (or webservice) automatically started on the Web server from the WEBDEV Application Server......
Replication of HFSQL servers (Programming)
To implement a replication of HFSQL servers through programming, WLanguage......
ODBC driver for HFSQL Classic and for HFSQL Client/Server (Windows)
The ODBC driver for HFSQL Classic (single-user or multi-user) is used to access an HFSQL Classic database from an external database software that supports the accesses by ODBC......
Using offline sites
WEBDEV allows you to specify that a site or a set of pages can operate in off-line mode (without an Internet connection)....
SCM: Check-in policy
The SCM gives you the ability to define a check-in policy......
State-transition diagram
A state-transition diagram presents a sequence of states that an object goes through during its lifecycle......
Conceptual Data Model (CDM)
In the MERISE methodology, the conceptual data model defines the objects and the actions that must be taken into account in the database......