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...
ExecuteUpdateUI (Function)
Immediately executes the "Request for refreshing the display" event of the window, page, internal...
ExecuteRefreshUI
Immediately executes the "Request for refreshing the display" event of the window, page, internal...
External language: Programming in Java
We are going to call the elements developed in WINDEV (project, windows, analysis, ......
External language: Programming in COBOL
We are going to call the elements developed in WINDEV (project, windows, analysis, ......
External language: Programming in C#
We are going to call the elements developed in WINDEV (project, windows, analysis, ......
External language: Programming in Fortran
We are going to call the elements developed in WINDEV (project, windows, analysis, ......
OOP concepts
A class contains the description of a data structure (members) and the processes (methods)...
PageNumber (Property)
The PageNumber property is used to: get and change the number of the page displayed in an Image...
MouseXPos (Function)
Returns the horizontal position (X) of the mouse cursor relative to the specified window...
MouseYPos (Function)
Returns the vertical position (Y) of the mouse cursor relative to the specified window or control....
Combination (Type of variable)
A combination is a set of options.
Events associated with internal windows
List of events associated with internal windows...
Structure (Type of variable)
A structure is a custom type of data...
WINDEV 2024: New WLanguage features
In version 27, new functions, properties and data types have been introduced...
Various WEBDEV constants
Various WEBDEV constants...
3. Editing products
WEBDEV Tutorial - Creating a website with back office processes Lesson 3 - Editing products - 50...
Replication options (ReplicEdit)
Creating a replication with ReplicEdit allows you to specify several parameters......
Monitoring robot overview
WINDEV, WEBDEV and WINDEV Mobile include a monitoring robot......
Queue (Type of variable)
A Queue variable is a structured type that groups a set of elements of the same type.
SensorDetectChangeOrientation (Function)
Allows you to be notified when the orientation of the device changes on any one of its 3 axes.
VideoStartApp (Function)
Starts the device's native camera application to record a video or to take a photo....
Refreshing the page data
In a dynamic WEBDEV site, the page data is refreshed during a user action......
Displaying a report in HTML format in the browser of the Web user
To display a report in HTML format in the browser of the Web user, you must......
Composite variable
A composite variable contains different types of elements (members)...
fReadLine (Function)
Reads a line from an external file (ANSI or UNICODE).