ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Parameters of a procedure/function
You have the ability to pass parameters to a 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.
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").
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.
Local procedure
Two types of procedures are available...
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.
Procedure/Function
A procedure is used to associate an identifier with a statement block...
Declaring a procedure/a function
The different syntaxes for declaring a procedure...
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...
SeekProcedure (Function)
Seeks a procedure identified by its name. The procedure found can be run directly.
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
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)...
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes.
WEBDEV: Scheduled tasks and delayed tasks
WEBDEV allows you to implement tasks on the server directly...
RETURN statement
The RETURN statement is used to exit a statement block and the current process (or procedure).
Typecasting of parameters
The description of the parameter type is optional...
Automatic procedures
The programming of timers, threads and delayed procedures is now automatically managed by the environment...
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...
JSON
JSON (JavaScript Object Notation) if a light format for exchanging data......
API (Function)
Runs a function found in an external DLL.
sysNotificationButton (Type of variable)
The sysNotificationButton type is used to define all the advanced characteristics of Button control...
ArrayDeleteDuplicate (Function)
Deletes the duplicates from an array.
Customizing the setup program (Plug-in)
In a setup program, you may want to customize some actions......
WDConver : Overview
WDConver is a tool used to convert data to an HFSQL Classic data file from......
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...
Generating and deploying 64-bit applications
WINDEV allows you to automatically generate and install a 64-bit application.
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...
Native Access to SAP
SAP is a widely used ERP......
Page templates and inheritance
When a page template is applied to a page, all the controls and code found in the template...
Glossary
The glossary lists all the abbreviations used in the code editor......
HLinkMemo (Example)
Usage example of the HLinkMemo function
HCreateServerTrigger (Function)
Adds or modifies a server trigger on the HFSQL server.
HErrorModification (Function)
Allows you to: return the value of a record item if a modification conflict occurs. check...