ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Error 103: The type is unknown
Definition (Type of variable)
The Definition type is used to find out the characteristics of a type: simple type, advanced type, class, structure....
Report based on a variable (Data binding)
A report based on a variable is used to directly print the information found in a WLanguage variable......
Data Binding: Creating controls from the "Project explorer" pane
Data binding is a process that binds variables in memory to controls in a window or page......
OOP concepts
A class contains the description of a data structure (members) and the processes (methods) that handle this structure....
TableEnableFilter (Function)
Implements a user filter on a column found in a Table or TreeView Table control.
Class inheritance
The hierarchical organization in class and sub-class has allowed to create the notion of inheritance......
Indirection operators
Operators { and operators } operators are used to access a field, variable, class member or table item by dynamically constructing the name of the field, variable, class member or item...
Instantiation of an object
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation......
HTMLClassDelete (Function)
Deletes a class from the HTML classes of a control.
HTMLClassAdd (Function)
Adds a class into the HTML classes of a control.
Generation of a class diagram using reverse engineering
WINDEV, WINDEV Mobile and WEBDEV allow you to create the class diagram of an application using reverse engineering (files "......
HTMLClassToggle (Function)
Toggles a class in the HTML classes of a control: if the class does not exist, it is added; if the class already exists, it is deleted.
Generating a class diagram
The generation is used to create the WINDEV classes ("......
TmeLine control linked to a data file or variable
You can create TimeLine controls directly linked to the data....