ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Composite variable
A composite variable contains different types of elements (members)...
Declaring and using a variable
A variable is defined by name and type...
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...
Service variable
The Service variable is used to...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
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.
Advanced types
The advanced types of WLanguage are as follows
Assignment operators
Three assignment operators are available...
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
WLanguage types
The different types in WLanguage are...
Constant
The constants are language elements whose value is fixed once and for all...
<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.
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.
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
Handling a .NET 3.0, 4.0, ... field (WPF) by programming
WINDEV allows you to manipulate a .NET 3.0, 4.0, ... (WPF) field by programming......
HListItem (Function)
... in a Record variable.
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......
Color (Property)
The Color property gets or sets the font color of: a Font variable. text displayed...
How to use an array of structures?
An array of structures is an Array variable......
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......
Handling a Wire control through programming
WINDEV allows you to handle a Wire control by programming......
How to read emails via the POP3 protocol?
This help page explains how to read emails via the POP3 protocol....
Managing the Unicode format in the HFSQL files
The analysis proposes two types of Unicode items......