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...
EmailSend (Function)
Sends an email via the SMTP protocol while controlling the "buffer" of the email.
HNbRec (Function)
Returns the number of records in a file, query or HFSQL view: active records, crossed records,...
Characteristics of the Looper control in a page
To view the characteristics of the control, select "Description" in the context menu....
Constants for managing the User Groupware
List of constants used by the functions for managing the User Groupware....
FontCreate (Function)
Creates a font definition.
TableSave (Function)
Updates or adds the record bound to the current row in the Table or TreeView Table control.
StoredValue (Property)
The StoredValue property is used to get the value currently stored by: a row in a List Box,...
7. Consuming a web service
WINDEV Mobile tutorial: Developing an Android and iOS application Lesson 7 - Consuming a web...
Report controls
Several types of controls can be handled in a report created by the report editor......
NewRecord (Property)
The NewRecord property is used to determine if the record is a new record or if it comes...
Events associated with the Conference control
List of events associated with a Conference control...
SpeechSynthesisInitialize (Function)
Initializes the parameters of speech synthesis for the current application.
ChronoReset (Function)
Stops and resets a running stopwatch.
WebserviceParameter (Function)
Gets the value of a parameter in a call to a SOAP or REST Webservice request.
How to manage a multi-selection in a List Box control?
This help page explains how to manage a multi-selection in a List Box control....
LooperDeleteSelect (Function)
Deletes the selected rows from a Looper control.
ExtractStringBetween (Function)
Allows you to: extract a substring between two given separators from a character string....
FinNetCurrentVal (Function)
Returns the net current value of investment.
Events associated with Camera controls
List of WLanguage events associated with Camera controls....
The Group structure
The Group structure is a preset structure of WLanguage (no declaration is required)......
HSL (Function)
Creates a color from its hue, saturation and lightness.
xlsNbColumns (Function)
xlsNbColumns is kept for backward compatibility only.
fRead (Example)
Usage example of the fRead function
Set of procedures
The global procedures are grouped in set of procedures......
Synchronizing threads via events
Events can be used to synchronize the different threads of an application......