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...
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...
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.
ArrayDelete (Function)
Deletes an element at a given position: from a one-dimensional WLanguage array....
SaaSAdminListPricing (Function)
Lists the pricing of a SaaS site.
DriveListDirectory (Function)
Lists drive directories.
ArrayInsert (Function)
Inserts an element at a given position: into a one-dimensional array. into an associative...
Insert (Function)
Inserts an element at a given position: into a one-dimensional WLanguage array....
MQTTPublish (Function)
Publishes a message on the MQTT broker.
XMLValidDocument (Function)
Validates an XML document from an XSD schema.
XMLValidNode (Function)
Validates an XML node, its children and its attributes from its description in the XSD schema...
EmailGetIndicator (Function)
Retrieves the indicators defined on an email of IMAP session.
MQTTConnect (Function)
Used to connect to a MQTT server (also called "Broker").
MQTTDisconnect (Function)
Allows you to disconnect from a MQTT server (also called "Broker").
EmailReadLast (Function)
Reads the last incoming email according to the protocol used (POP3 or IMAP, MS Exchange, Lotus...
hbRead (Function)
Reads cells (values of items) of a row (record) in an HBase table.
FBSessionStatus (Function)
Checks the status of a Facebook session.
WBAdminListAccount (Function)
Returns the list of WEBDEV accounts on a WEBDEV Application Server.
<Array type>.Contain (Function)
Searches for an element in a WLanguage array. This new function is available from WINDEV Suite...
CertificateOpenProperties (Function)
Opens the Windows window used to find out the properties of a certificate.