ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Body block
The Body block corresponds to the main block of the report......
Main characteristics of a List Box control
The main characteristics of a List Box control are as follows......
Automatic Application Features (AAF)
The Automatic Application Features (AAF) allow you to add features to your application without having to write a single line of code......
Error 102: The constants can be defined in the initialization code of project, ...
<Window>.EdUndo (Function)
Undoes the last action performed by the end user when modifying the interface ("Allow end users to modify the UI" option enabled).
Service management functions
List of functions for managing services...
Error 3: The string has no final "
Handling a Rich Text Area control through programming
To handle a Rich Text Area control programmatically, use the variable of the Rich Text Area control directly in the code......
Lambda: Expressions and procedures
A lambda ("lambda function") is a more concise way to write internal procedures......
Buffer (Type de variable)
The buffer type corresponds to a binary memory area....
Error 1055: 'Ancestor' can only be used in the code of a class derived from a class
Managing bar codes
The use of bar codes to identify and manage products has become essential......
Printing bar codes
WINDEV, WEBDEV and WINDEV Mobile allow you to print bar codes....
Start of Break block (Break header)
The Start of break block is optional......
Report viewer: "Preview" tab
The report viewer allows end users to view reports before printing them......
Context menu of Check Box columns (AAF)
The Table and TreeView Table controls can propose Check Box columns allowing the user to select the requested options......
Minimap
The minimap is an option that allows you to quickly navigate the code editor......
HsMenu,Status (External language)
Returns the status of a menu option (active, invisible, grayed).
Describing the Action Bar control
This help page presents the main aspects of the Action Bar description window......