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.
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
Constant
The constants are language elements whose value is fixed once and for all...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Assignment operators
Three assignment operators are available...
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...
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......
Warning 127: You are using a data source local to the process
Bold (Property)
The Bold property is used to: Find out whether a Font variable is bold. Modify the bold...
Duration (Property)
The Duration keyword can correspond to: the keyword used to define a Duration variable....
DisplayedItem (Property)
The DisplayedItem property is used to: Find out the item or the variable displayed...
Orientation (Property)
The Orientation property is used to: Get the angle (in degrees) of a Font variable. Modify...
Warning 124: Shadowing a global variable
Italic (Property)
The Italic property is used to: Find out whether a Font variable is in italic type. Modify...
Large (Property)
Large is used to: Find out whether a Font variable is enlarged. Enlarge (or not) a Font...
Extended (Property)
Extended is used to: Find out whether a Font variable is extended. Extend (or not) a Font...
Message
available for: a SFError variable. the email structure. an Email variable. a Notification...
Year (Property)
The Year property is used to: Get the year from a Date or DateTime variable or item. Change...
StrikeOut (Property)
to a Font variable. Apply strikethrough formatting to a Font variable....
Condensed (Property)
The Condensed property is used to: Determine whether a Font variable is condensed. Condense...
EmailImportSource (Function)
Populates an Email variable using the content of its Source property or the different variables...
Error 1050: This member already exists in the composite variable
Handling a formatted display control through programming
WEBDEV allows you to handle a formatted display control through programming......
Handling an iFrame control through programming
WEBDEV allows you to handle an iFrame control by programming......
Day (Property)
The Day property is used to: Get the day from a Date or DateTime variable, or get the number...
Handling a Switch control through programming
WINDEV, WINDEV Mobile and WEBDEV allow you to handle a Switch control by programming......
FullTextIndex description (Type of variable)
A FullTextIndex description variable is used to describe one or more full-text indexes...
API description (Type of variable)
An API Description variable is used to describe an API, its parameters, its return value...
Procedure description (Type of variable)
The Procedure Description type is used to get information about a procedure or a method.
Table control based on a variable
A Table control based on a variable is a Table control whose columns are bound to the elements...