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)...
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example) or a control.
Advanced types
The advanced types of WLanguage are as follows
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...
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.
Assignment operators
Three assignment operators are available...
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.
Constants for managing speech synthesis
Déconnecte un client actuellement connecté sur un serveur de WebSocket....
After
They After keyword can correspond to:
Query
The keyword "Query" is used to describe:
SpeechSynthesisListVoices (Function)
Returns the list of voices available on the device for the speech synthesis engine.
Modbus functions
List of Modbus functions...
The different types of integers
TimeToString (Function)
Converts a time to a string in the specified format.
HRegenerateFile (Function)
Regenerates a data file from its log.
Miscellaneous Windows constants
List of constants used by the Windows functions....
GglFillCalendarByRequest (Function)
Fills a calendar that was previously retrieved: the events corresponding to the calendar...
Managing parallel tasks
The computers are becoming more and more powerful......
FTPFileExist (Function)
Checks if a given file exists on an FTP server.
EmailGetAll (Function)
Retrieves all the emails found on a server.
SaaSAdminListSubscription (Function)
Lists the SaaS subscriptions associated with a site or pricing.
BTLEGetACharacteristic (Function)
Retrieves the characteristic of a Bluetooth Low Energy service corresponding to the specified...
Now (Function)
Returns or modifies the system time (current time defined for the current computer).
WEBDEV Application Server administration functions (prefix syntax)
The following functions are used to manage users and connections on a WEBDEV Application Server,...
NFC: Transferring data
NFC (Near Field Communication) is a wireless communication technology at short range and high...
DocSave (Function)
Saves a document as a "docx" file.
PDFGetSignature (Function)
Gets the signature of a PDF document as a buffer.
HAddScheduledOptimization (Function)
Adds an optimization task of HFSQL Client/Server data files....