ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Internal procedure
Several features require a procedure called once or several times via a WLanguage function ("Callback").
Procedure/Function
A procedure is used to associate an identifier with a statement block...
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.
Declaring a procedure/a function
The different syntaxes for declaring a procedure...
Procedure Description (Variable type)
The Procedure Description type allows you to get information about a procedure or a method.
Global procedure/function
A global procedure can be used in all the processes or events of the project.
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.
Parameters of a procedure/function
You have the ability to pass parameters to a procedure.
Calling a procedure/a function
Syntax for calling a local or global procedure.
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.
Local procedure
Two types of procedures are available...
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes.
Set of procedures
The global procedures are grouped in set of procedures...
Optional parameters
Some of the parameters passed to a procedure can be optional parameters...
WEBDEV: Scheduled tasks and delayed tasks
WEBDEV allows you to implement tasks on the server directly...
Typecasting of parameters
The description of the parameter type is optional...
MyParameters (Reserved word)
The MyParameters keyword is used to handle the parameters passed to a WLanguage procedure...
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)...
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...
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 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.
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
InvalidInputDetect (Function)
Detects and signals an error on required controls left empty and/or controls with invalid data....
I was using Visual Basic with WINDEV 5.5. How to proceed in WINDEV 2024?
You have the ability to use external languages with WINDEV......
Constant
The constants are language elements whose value is fixed once and for all...
EmailOpenMail (Function)
Opens the default messaging software: of Web user on the browser computer. of the user...
Handling the external files
WINDEV, WINDEV Mobile and WEBDEV propose several functions allowing you to manage the external...
Handling an Internal Window control through programming
The "Internal Window" control is used to display an existing internal window......
Advanced types
The advanced types of WLanguage are as follows...
HAddTask (Function)
Adds a scheduled task on the server defined by the connection.
AdditionCompleted (Example)
Usage example of the AdditionCompleted property
TestCheckEqual (Function)
Checks whether the expressions are equal in assertive programming and in automated test mode.
AJAXCallInProgress (Function)
Used to determine if the request being processed is an AJAX request.
ErrorThrow (Function)
Throw a non-fatal error.
Sending faxes with WINDEV and WEBDEV
To send faxes from an application or from a site, WINDEV and WEBDEV propose several functions...
ParallelTaskExecuteAfter (Function)
Indicates a continuation parallel task that will be run when one of the specified parallel task...
ParallelTaskExecuteAfterAll (Function)
Indicates a continuation parallel task that will be run when all the tasks found in an array...
GPSStopDetection (Function)
Stops the location detection triggered by GPSDetectPosition.
Events associated with Internal Page controls
List of events associated with internal pages and Internal Page controls
Spare server
A "spare" server is a target server in a unidirectional automatic replication......
HPrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order...
Standard dialog boxes
The dialog boxes are standard windows that allow you to communicate with the user......
ThreadPersistent (Function)
Makes a thread persistent.
ParallelTaskExecuteAfterOne (Function)
Indicates a continuation parallel task that will be run once the first task is completed...
BrowserHistoryAdd (Function)
Adds an entry into the history of navigation by associating data. This data will be transmitted...
Tips for an application that uses the User Groupware
To simplify the configuration of user groupware according to the users, the controls...
Detection (Property)
The Detection property is used to determine and change the automatic detection of incoming streams....