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.
Language (Property)
The Language property is used to set the language used to compare and sort Unicode items (Unicode...
HDeleteDatabase (Function)
Deletes a database located on an HFSQL server.
GglGetCalendar (Function)
Retrieves a Google calendar and its events according to its title or identifier.
GglFillCalendar (Function)
Fills a calendar that was previously retrieved: the events corresponding to the calendar...
HNoDatabaseAccess (Function)
Denies all new connections to a database or to all databases.
GglUploadDocument (Function)
Uploads a document to the Google server.
InternalWindowPopup (Property)
The InternalWindowPopup property is used to get and modify the name of the internal window used...
Scanner functions (prefix syntax)
The scanner functions are as follows:...
ScanWithUserInterface (Function)
Saves a document from a scanner to one or more files, using the scanner's user interface....
SaaSAdminFindService (Function)
Finds the description of a SaaS service.
SaaSAdminFindUser (Function)
Finds a user of a SaaS client account.
SaaSAdminListUser (Function)
Lists the users of the SaaS Webservice database.
BTLEGetAService (Function)
Retrieves the service of a Bluetooth Low Energy device corresponding to the specified identifier...
BTLEGetAllServices (Function)
Retrieves all the services corresponding to a UUID.
HOpenConnection (Function)
Opens a connection to a specific database.
EmailChangeFolder (Function)
Modifies the current folder in the messaging software (Outlook, messaging software using the IMAP...
HIndex (Function)
Rebuilds the file index (".NDX" file).
CmdExecute (Function)
Executes a command in console mode.
GeometryUnion (Function)
Returns a geometry corresponding to the union of two geometries.
GglListCalendar (Function)
Retrieves the list of Google calendars associated with the specified Google account.