ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Global procedure/function
A global procedure can be used in all the processes or events of the project.
Procedure (Variable type)
The Procedure type is used to handle through programming:
  • the procedures or methods found in the project.
  • the procedures or methods found in an internal component.
  • the procedures or methods found in an external component.
Internal procedure
Several features require a procedure called once or several times via a WLanguage function ("Callback").
Useful parameters of a procedure
A procedure can declare some parameters that are not immediately used. In this case, a warning appears in the code editor, indicating that the local variable is not used.
Declaring a procedure/a function
The different syntaxes for declaring a procedure...
Calling a procedure/a function
Syntax for calling a local or global procedure.
Procedure Description (Variable type)
The Procedure Description type allows you to get information about a procedure or a method.
Parameters of a procedure/function
You have the ability to pass parameters to a procedure.
Procedure/Function
A procedure is used to associate an identifier with a statement block...
Parameters of a procedure with a variable number of parameters
When the procedure uses a variable number of parameters, you must be able to handle the different parameters passed to the function in the code of the procedure.
Local procedure
Two types of procedures are available...
Automatic documentation of procedures and methods
To simplify the maintenance or the use of existing code by other developers, WINDEV proposes an automatic documentation for the procedures (or class methods)...
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
WEBDEV: Scheduled tasks and delayed tasks
WEBDEV allows you to implement tasks on the server directly...
SeekProcedure (Function)
Seeks a procedure identified by its name. The procedure found can be run directly.
Reactive procedures
Reactive procedures are executed when the value of a control or variable changes...
MyParameters (Reserved word)
The MyParameters keyword is used to handle the parameters passed to a WLanguage procedure...
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes.
Automatic procedures
The programming of timers, threads and delayed procedures is now automatically managed by the environment...
Typecasting of parameters
The description of the parameter type is optional...
RETURN statement
The RETURN statement is used to exit a statement block and the current process (or procedure).
Passing parameters
The parameters can be passed to a procedure...
ExecuteMainThreadAsynchronous (Function)
Executes a procedure in the main thread of the application without waiting for the end of its execution.
ExecuteMainThread (Function)
Triggers the execution of the procedure specified in the main application thread.
Optional parameters
Some of the parameters passed to a procedure can be optional parameters...
Set of procedures
The global procedures are grouped in set of procedures...
HCreateServerTrigger (Function)
Adds or modifies a server trigger on the HFSQL server.
PopupDisplayPage (Function)
Displays a WEBDEV page as a popup in the current page with a DDW (Dim Disabled Windows) effect.
List of reserved words
BREAK statement/"BREAK:" label
The keyword BREAK can correspond: to the BREAK statement: it allows you to exit a set...
fListFile (Function)
Lists the files found in a directory and returns the list of files.
ArrayDeleteDuplicate (Function)
Deletes the duplicates from an array.
Setup on a local network (LAN)
HAddScheduledBackup (Function)
Adds a scheduling for full backup (with or without differential backup) on the server defined...
hRSConfig (Variable type)
The hRSConfig type is used to define the advanced characteristics of a replication between 2 HFSQL...
Reduce (Function)
Applies a computation to each element of a WLanguage array.
TreeExpand (Function)
Expands a node in a TreeView control.
HExtractMemo (Example)
Usage example of the HExtractMemo function
Native Container control events
The following events appear by default in the WINDEV and WINDEV Mobile code editor...
Events associated with control templates
List of events associated with control templates...
Native Access to SAP
SAP is a widely used ERP......
Importing classes and sets of procedures (text file)
From version 23, you have the ability to import existing classes or sets of procedures in text...
Scanner (Type of variable)
The Scanner type is used to handle the information from a scanner.
2025 new features brochure: WINDEV new features
What's new in WINDEV 2025 in the What's new 2025 brochure....
WDTrans: Overview
WDTrans is a tool for canceling transactions......