ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Rectangle (Type of variable)
A Rectangle variable is a structured type that is used to represent a rectangle (X, Y, Width, Height) in 2 dimensions.
WinEdRedo (Function)
Runs the last action undone by the end user ("Allow end users to modify the UI" option enabled).
FontSize (Property)
The FontSize property is used to: Identify the size of the font used in a control. Change the size of the font used in a control....
Lambda: Expressions and procedures
A lambda ("lambda function") is a more concise way to write internal procedures...
2. Performance profiler
WINDEV Tutorial: Optimizing a project Lesson 2 - Performance profiler - 15 min
HCancelAlias (Function)
Cancels an alias that was declared beforehand by HAlias.
Native Progress Connector: Programming with SQL functions
The use of SQL functions to handle Progress data does not require importing the file structure into the analysis......
Brochure of new features: New WINDEV features
New features in WINDEV 28 presented in the New Features brochure....
PreviousWin (Function)
Identifies the window that was in edit before the window that is currently in edit (for the same project).
EmailDeleteMessage (Function)
Deletes the current email using the current protocol (POP3, IMAP, MS Exchange, Lotus Notes or Outlook).
Native DB2 Connector : Programming with SQL functions
The use of SQL functions to handle DB2 data does not require importing the file structure into the analysis......
LooperRestorePositionAndSelection (Function)
Restores the scrollbar position in a Looper control as well as the selected elements.
HorizontalAlignment (Property)
The HorizontalAlignment property gets and changes the horizontal alignment of a control.
HMigrateLinkedCompositeKey (Function)
Migrates the values of the linked composite keys coming from a file in Hyper File 5.5 format to the HFSQL Classic format.
SQL: Managing joins (INNER JOIN, OUTER JOIN)
To select records coming from several data files, joins must be used in the SQL query......
Configuring an authentication server (User Groupware and Private Store)
Several features in WINDEV, WEBDEV and WINDEV Mobile use a BaaS server......
The pages
Pages are the main interface of a WEBDEV site......
Managing rights on HFSQL Client/Server
To ensure data security and confidentiality, some actions may be restricted to a group of users......
How to create an SQL query with a calculation formula?
This help page explains how to create a query with a calculation formula with the query editor....
WDAPI: Help about the APIs
WDAPI simplifies the use of Windows APIs in a WINDEV application......
Monitoring robot: Configuring the Robot controller parameters
From the monitor, you can change the configuration options......