ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Declaring and using a variable
A variable is defined by name and type...
Service variable
The Service variable is used to...
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...
Composite variable
A composite variable contains different types of elements (members)...
Advanced types
The advanced types of WLanguage are as follows
<Source>.Reset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
WLanguage types
The different types in WLanguage are...
IsNumeric (Function)
Enables you to find out whether a variable or a control is:
  • a numeric (integer, real, currency or numeric).
  • a string that can be converted into numeric.
HReset (Function)
Initializes:
  • one or all variables of file items with their default values.
  • one or all items of a Record variable with their default values.
Assignment operators
Three assignment operators are available...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Constant
The constants are language elements whose value is fixed once and for all...
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
Handling a Carousel control through programming
WINDEV allows you to handle a Carousel control through programming......
Handling a Tab control through programming
WINDEV, WINDEV Mobile and WEBDEV allow you to handle a Tab control through programming......
Deserialize (Function)
... (including an associative array), queue, stack, list or advanced variable, as well as their subelements.
XMLDocument
a new XML document. For more details, see XMLDocument. an xmlDocument variable. For more details, see...
Writing an email
Writing an email in WLanguage consists in filling the email structure of WLanguage......
8. Associating controls with data
8. Binding controls to data
A window can display information from......
Handling Mobile Image Editor controls programmatically
WINDEV Mobile allows you to programmatically handle Mobile Image Editor controls......
Handling a .NET 3.0, 4.0 control, ... (WPF) through programming
WINDEV enables you to handle a .NET 3.0, 4.0 control, ... (WPF) by programming......
HListItem (Function)
... in a Record variable.
How to use an array of structures?
An array of structures is an Array variable......
Color (Property)
The Color property is used to get or change the font color for: a Font variable. a text...
Name (Property)
The Name property is used to get: the name of the font associated with a Font variable....
Handling a TreeView control through programming
WINDEV and WEBDEV allow you to handle a TreeView control programmatically......
How to read emails via the IMAP protocol?
This help page explains how to read emails via the IMAP protocol....
Error 704: The property does not exist on
Typecasting of parameters
The description of the parameter type is optional......
How to read emails via the POP3 protocol?
This help page explains how to read emails via the POP3 protocol....
Handling a Wire control through programming
WINDEV allows you to handle a Wire control by programming......
Managing the Unicode format in the HFSQL files
The analysis proposes two types of Unicode items......
Manipulating Diagram Editor controls programmatically
In WINDEV and WEBDEV, you can handle Diagram Editor controls programmatically......
Arithmetic operators
The arithmetic operators are......
The Linear Looper control
A Linear Looper control is used to display a set of controls in a horizontal scrolling list......
Handling Kanban controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle Kanban controls......
Handling a Repositionable Note control through programming
A Repositionable Note control can be handled through programming......