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...
Client application: Running procedures on a server of J2EE services
WINDEV includes several J2EE functions......
FaxSend (Function)
Sends a fax according to the connection that was established beforehand (FaxConnect).
MyWindow (Reserved word)
MyWindow is used to handle the current window...
Using Kotlin code
Kotlin is a programming language mainly used for Android development......
MyHostControl (Reserved word)
The MyHostControl keyword is used to handle the WEBDEV Page control from the code of the page...
Using Java code
You can use Java code: in Java applications generated with WINDEV. in Android applications...
MyParent (Reserved word)
MyParent is used to handle...
MyPage (Reserved word)
MyPage is used to handle the current page...
Page (Property)
The Page property is used to handle the page loaded in the WEBDEV Page control.
httpProgress (Type of variable)
The httpProgress type is used to manage the progress when sending or receiving an HTTP request.
MyInternalWindow (Reserved word)
MyInternalWindow is used to handle the current internal window.
Page in Session mode: Populating controls after a long process
In a web application, you may need to run long processes (for example, to update counters......
MyReport (Reserved word)
MyReport is used to handle the current report...
BurnerErase (Function)
Erases the files found on a rewritable CD or DVD.
ExecuteJS (Function)
Runs JavaScript code in the context of the Web page displayed by an HTML Display control.
TableListChild (Function)
Lists the "children" of a node and the "child" elements of these "children" in a TreeView Table...
Server triggers
Server triggers are stored procedures executed by the server before or after a write operation...
SOAPAddHeader (Function)
Adds a header to the next SOAP function of a Webservice to run.
BurnerAddDirectory (Function)
Adds all the files found in a directory to the compilation.
Accessing a database in local mode (SQLite)
WEBDEV allows a site to create and access a database created by the browser on the computer...
Handling Native Container controls programmatically
The Native Container control returns an handle/identifier......
Error 803: Return and Result cannot be used in the same process
MyControl (Reserved word)
The MyControl keyword represents the control that holds the process being executed.
USBDetectRemovableStorage (Function)
Detects whether a removable storage unit (CD, USB key, USB camera, ...) was added or removed.
Event (Function)
Intercepts a Windows event on a control, a group of controls or a WINDEV window.