ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

How to sort the result of a query?
This help page explains how to create a sort query with the query editor....
Input masks and display masks
WINDEV, WEBDEV and WINDEV Mobile propose two types of masks......
How to create a query with external join?
In SQL language, an external join is used to exclude or include file records with or without correspondences in the linked files......
Transactions in HFSQL Client/Server mode
To keep maximum compatibility between HFSQL Classic applications (single-user or multi-user) and HFSQL Client/Server applications, the transaction mechanism in HFSQL Client/Server mode is similar to the one in HFSQL Classic mode......
First page of the project in session mode
The first page of the project is the first page in Session mode opened in the Web user's browser when a WEBDEV site in session mode starts......
Handling HTML text in an Edit control
WEBDEV allows you to handle text in HTML via the "HTML format" option of the Edit controls and the HTML control....
How to associate an image with a treeview element?
When fillilng a TreeView control, an image is associated with each element....
Installing a WEBDEV site with zero-downtime update
Starting with version 24, you can update a Session or AWP site without disconnecting users......
Window for quick selection
You are searching for a project element? You only know part of its name? Press [CTRL]+[E] to open the quick selection window......
mongoWriteConcern (Type of variable)
The mongoWriteConcern type is used to define the level of acknowledgment of receipt requested for the write operations in a stand-alone mongod, in a set of replicas or in fragmented clusters.
GetCountryISO (Function)
Returns the desired ISO code of a country corresponding to the caption or ISO code (of a different type) of the country according to the ISO 3166-1 standard.
Search and full-text index
HFSQL proposes a quick search for character strings in the data......
<Array>.Add (Function)
Adds an element in last position: of a one-dimensional WLanguage array. of an advanced array property (array of events of gglCalendar, etc.). from a WLanguage list....
Abbreviation (Property)
The Abbreviation property gets the abbreviation of a data file. This abbreviation is defined in the data model editor when defining the data file. This property is read-only.
FlexAlignSelf (Property)
The Property FlexAlignSelf allows you to know and modify the alignment and vertical anchoring of the field in the row of the Flexbox field ( Property corresponding CSS "align-self").
Universal replication
The purpose of universal replication is to keep several databases synchronized......
WDInst: components and setup models
By default, the setup program installs all the specified files on the setup computer......
Events associated with an Organizer control
The following events are associated with Organizer controls:...
Generating the analysis
The analysis generation comes before the programming phase and after the file description phase......
Opening a window from a secondary thread
A secondary thread cannot directly open a window with the standard WLanguage functions such as......
Messaging
A messaging is included in WINDEV, WINDEV Mobile or WEBDEV......
Automated tests: Overview
Several test tools are available to guarantee the quality of your applications......
TmeLine control linked to a data file or variable
You can create TimeLine controls directly linked to the data....
HFSQL Control Center: HFSQL Client/Server backups
The HFSQL Control Center is used to manage the backups of HFSQL Client/Server data files......
3. Types of dynamic sites
A dynamic site is used to display pages whose content changes. In most cases, the content of these pages is linked to a database....