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...
Native Oracle Connector: Retrieving the output value of a stored procedure
The Native Oracle Connector is used to: specify the input values during the call to a stored...
SchedulerTriggerProperties (Function)
Reads the properties of trigger of a scheduled task and updates the TriggerScheduledTask structure.
XML functions
List of XML functions...
TriggerScheduledTask structure
The ScheduledTask structure is used to define all the events that will define the execution...
SQL query (WLanguage type)
The "SQL query" type is used to write an SQL query in the WLanguage code.
Window with parameters
A window can: Receive parameters when it is opened. Return values when it is closed....
Input (Function)
Displays a message allowing the user to type an information.
Managing the critical sections
Semaphores are used to limit the simultaneous execution of a code (procedure, line of code, etc....
Native Sybase Connector: Output value of a stored procedure run on the server
The Native Sybase Connector (also called Native Sybase Access) is used to: specify the input...
Management of XML
WINDEV, WINDEV Mobile and WEBDEV include several functions for handling XML code......
InitWindow (Function)
Initializes (or not) the controls to zero and runs the initialization processes of the controls...
xlsOpen (Function)
Opens an Excel file (xls or xlsx files).
apiRequest (Type of request)
The apiRequest type is used to define all the advanced characteristics of a request executed via...
InternalPagePopup (Property)
The InternalPagePopup property is used to get and modify the name of the internal page used...
HTTPTimeOut (Function)
Sets the timeout for WLanguage functions that use the HTTP protocol (HTTPRequest, SOAPExecute,...
SysEnvironment (Function)
Returns the environment variables of the operating system for the current computer.
HExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
Column of type Attribute
WINDEV and WEBDEV allow you to use columns of type "Attribute" in Table controls......
Instantiation of an object
To access a class, the object must be declared as being part of the class to handle, this is called...
Error 3: The string has no final "
How to read in a text or CSV file?
This help page explains how to read the content of a text or CSV file....
SQLSeek (Function)
Positions on the specified result row of the query.
HCreateView (Example)
Usage example of the HCreateView function
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
HCreationIfNotFound (Example)
Usage example of the HCreationIfNotFound function