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...
SetFocusAndReturnToUserInput (Function)
Stops the current process, sets the focus to the specified control, window or page, and allows...
Help with new features: Informing users about new developments
Applications are constantly evolving......
TotalNbChildren (Property)
The TotalNbChildren property returns the total number of children in a branch: of a Treeview...
BurnerSave (Example)
Usage example of the BurnerSave function
Automatic management of exceptions
The management of exceptions can be customized by process......
FTPSend (Function)
Transfers a file or directory to an FTP server (File Transfer Protocol).
BackgroundTaskAdd (Function)
Adds a new background task.
ReturnToCapture (Function)
Stops the current process and forces the input in the specified control, window or page.
SOAP constants
List of constants used by the SOAP functions....
WINDEV, WEBDEV and WINDEV Mobile tools
The following tools are provided with WINDEV, WEBDEV and WINDEV Mobile...
fListDirectory (Function)
Lists the subdirectories of a given directory and returns the full paths of listed subdirectories.
Handling a .NET 3.0, 4.0, ... field (WPF) by programming
WINDEV allows you to manipulate a .NET 3.0, 4.0, ... (WPF) field by programming......
BackgroundTaskDelete (Function)
Deletes a background task (that was added by BackgroundTaskAdd).
ArraySort (Function)
Sorts a WLanguage array.
SNMPTrapEnable (Function)
Enables the interception of an SNMP "trap" sent by an agent.
ExceptionChangeParameter (Function)
Configures the automatic behavior that will be implemented if an exception occurs in the current...