ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Native xBase/FoxPro Access: Specific features and remarks
This help page presents the specific features regarding the programming of Native xBase/FoxPro Access......
AWP without UI
Bootstrap, Angular, React, Vue......
Programming patterns
CAUTION......
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......
Keep-alive on connection
HAccelerateSpeed (Function)
Reorganizes the internal structure of the indexes to optimize the speed for accessing the data.
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
Error 104: 'Dynamic' can only be used for the classes and the Automation objects
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes....
Creating and using a REST Webservice
A REST WebService is a program hosted on a server containing functions accessible via HTTP requests......
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....
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......
fFileName (Function)
Returns the name of an external file that is currently opened.
<DiskFile variable>.Lock (Function)
Entirely or partially locks an external file.
<DiskFile variable>.Unlock (Function)
Entirely or partially unlocks an external file.
Unicode in character strings
UNICODE is an encoding system that assigns a unique number to each character....
Handling the cells of report table
The operations that can be performed on the table cells are as follows:...
Obtaining an SSL certificate for IIS2 (2.0 or later)
Describing a problem to the Free Technical Support
Project comparator
Comparing two windows (two pages, two reports, two classes, ......