ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Procedure Description (Variable type)
The Procedure Description type allows you to get information about a procedure or a method.
Local procedure
Two types of procedures are available...
Internal procedure
Several features require a procedure called once or several times via a WLanguage function ("Callback").
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.
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.
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.
Global procedure/function
A global procedure can be used in all the processes or events of the project.
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...
Passing parameters
The parameters can be passed to a procedure...
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes.
ExecuteMainThreadAsynchronous (Function)
Executes a procedure in the main thread of the application without waiting for the end of its execution.
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.
ExecuteMainThread (Function)
Triggers the execution of the procedure specified in the main application thread.
RETURN statement
The RETURN statement is used to exit a statement block and the current process (or procedure).
MyParameters (Reserved word)
The MyParameters keyword is used to handle the parameters passed to a WLanguage procedure...
Optional parameters
Some of the parameters passed to a procedure can be optional parameters...
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)...
Typecasting of parameters
The description of the parameter type is optional...
Set of procedures
The global procedures are grouped in set of procedures...
Automatic procedures
The programming of timers, threads and delayed procedures is now automatically managed by the environment...
Reactive procedures
Reactive procedures are executed when the value of a control or variable changes...
fListFile (Function)
Lists the files found in a directory and returns the list of files.
Burning a CD/DVD
Several WLanguage functions are used to burn the CDs or DVDs......
3. Preparing the setup program
WINDEV Tutorial: Using an HFSQL Client/Server database Lesson 3 - Preparing the setup program - 5...
JSON
JSON (JavaScript Object Notation) if a light format for exchanging data......
HOnError (Function)
Customizes the management of HFSQL errors.
drag-and-drop operation set programmatically
The programmed Drag and Drop is used to entirely manage Drag/Drop between the different types...
Glossary
The glossary lists all the abbreviations used in the code editor......
HLinkMemo (Example)
Usage example of the HLinkMemo function
Reduce (Function)
Applies a computation to each element of a WLanguage array.
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...
WDConver : Overview
WDConver is a tool used to convert data to an HFSQL Classic data file from......
ArrayDeleteDuplicate (Function)
Deletes the duplicates from an array.
Setup on a local network (LAN)
HCreateServerTrigger (Function)
Adds or modifies a server trigger on the HFSQL server.
TreeExpand (Function)
Expands a node in a TreeView control.
HExtractMemo (Example)
Usage example of the HExtractMemo function
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.
WDTrans: Overview
WDTrans is a tool for canceling transactions......
HAddScheduledBackup (Function)
Adds a scheduling for full backup (with or without differential backup) on the server defined...
InUMCMode (Function)
Indicates whether the code is run from a code written in a user macro-code.