ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

SEO-ready page in session mode
In WEBDEV, there are two methods to develop a site......
Error 108: The size of the variable is not allowed
Properties associated with the rows of a TreeView control
The rows of TreeView controls in a window or page can be manipulated using different WLanguage properties......
MDL file (kept for backward compatibility): Pattern description
The MDL file is the file used to generate a RAD window......
Different page layout methods
Tutorial - Anchors, zoning and layouts Different page layout methods - 30 min
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes....
Error 104: 'Dynamic' can only be used for the classes and the Automation objects
The Multiline Zone control
The Multiline Zone control is used to easily create interfaces in iOS style....
Frequently asked questions about Automatic Update
Frequently asked questions about the update search mechanism....
Dynamic audit
The dynamic audit of an application analyzes its runtime performance......
Application triggers
...A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a modification is performed (addition, deletion, modification, ...) on a record of a data file....
Handling the cells of report table
The operations that can be performed on the table cells are as follows:...
Describing a problem to the Free Technical Support
WDZip: Creating or modifying an archive
This help page explains how to......
Drag and Drop
Drag and Drop is used to transfer data between several controls with the mouse. This data can be moved between several controls found in the same application or in different applications....
Access rights to a class property
A property is a code element that includes two processes......
Handling the Chart controls at runtime (AAF)
The Chart controls allow the end user to perform several operations......
Binding a Slider control to an item
A Slider control can be bound to an item in a data file, query, etc....
Managing HFSQL Client/Server databases
The HFSQL Control Center allows you to fully manage HFSQL Client/Server databases......
Server code/Browser code
WEBDEV allows you to create static pages and dynamic pages......
Window templates and inheritance
When a window template is applied to a window, all the controls and code in the template are "copied" to the window......
WDInst: Additional options (summary, license, etc.)
When installing the application, you have the ability to display......
Creating and generating an external component
A component must be created from a project containing all the elements required for the component......
Options for generating the HTML pages
The options for generating the HTML pages in a WEBDEV project can be defined......
Creating and using a REST Webservice
A REST WebService is a program hosted on a server containing functions accessible via HTTP requests......