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.
DocFind (Function)
Finds a character string: in an entire Word Processing document. in a fragment....
JSON
JSON (JavaScript Object Notation) if a light format for exchanging data......
<Array>.AddSorted (Function)
Adds an element to a one-dimensional WLanguage array taking into account: the sort criteria...
SAPConnect (Function)
Connects a SAP R/3 system from the information given in the SAP structure....
Member (Property)
When used on Variant variables, the Member property is used to get the array of named elements.
URIGetInfo (Function)
Retrieves information of a URI resource.
GetUUID256 (Function)
Calculates a 256-bit Universal unique identifier ("UUID").
MemcachedAdd (Function)
Adds a new key/value couple into the Memcached cache....
MemcachedAssign (Function)
Modifies a key/value couple in the Memcached cache: If the key exists, the value is modified....
MemcachedDelete(Function)
Deletes a key from the Memcached cache.
MemcachedDeleteKeyGroup (Function)
Deletes a key from the Memcached cache on a group of servers.
MQTT functions (prefix syntax)
The following functions are used to manage MQTT clients...
Permission constants
Renvoie une ou toutes les permissions déclarées par l'application....
<btleDevice>.Initialize (Function)
Initializes a Bluetooth Low Energy device in Windows.
WLanguageCodeGetCSSDeclarations( Function)
Returns the CSS style sheet corresponding to a theme in the WLanguage code.
String literals: single-line and multiline strings
String literals are used to represent and manipulate data as a sequence of characters. For example,...
Use WebSockets with the WebSocket server
The WebSocket protocol provides a communication channel over a TCP socket for browsers and Web...
CertificateSelect (Function)
Opens a window for selecting the certificates. The listed certificates are the certificates...
ToastDisplayIW (Function)
Opens a toast whose content is based on an internal window.
FontSelect (Function)
Opens the standard Windows font selection window by selecting the specified font.
GglAccountDissociate (Function)
Dissociates the application from the user's Google account. This association must...
GglAccountAssociate (Function)
Enables users to log in to an application using a Google account registered on the device, without...