ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Parameters of a procedure/function
You have the ability to pass parameters to a procedure.
Declaring a procedure/a function
The different syntaxes for declaring a procedure...
Calling a procedure/a function
Syntax for calling a local or global procedure.
Procedure/Function
A procedure is used to associate an identifier with a statement block...
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.
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes.
Passing parameters
The parameters can be passed to a procedure...
MyParameters (Reserved word)
The MyParameters keyword is used to handle the parameters passed to a WLanguage procedure...
Local procedure
Two types of procedures are available...
Typecasting of parameters
The description of the parameter type is optional...
Constants for managing the Windows scheduler
List of constants used by the functions for managing the Windows scheduler....
The Group structure
The Group structure is a preset structure of WLanguage (no declaration is required)......
Using layouts in WINDEV and WINDEV Mobile
The layout is used to define several views of a window in the same project without duplicating...
How to manage a multi-selection in a List Box control?
This help page explains how to manage a multi-selection in a List Box control....
XML: Using files exceeding several gigabytes
Starting with version 23, an XML parser is available to handle XML files that are multiple GB...
Count (Property)
The Count property returns the number of elements in a given set.
Native SQLite Connector
WINDEV and WEBDEV propose a Native Connector to SQLite. This Native Connector allows you to access...
OAuth2Parameters (Type of variable)
The OAuth2Parameters type is used to define the information required to authenticate on a web...
SQL query (WLanguage type)
The "SQL query" type is used to write an SQL query in the WLanguage code.
StoreFilterAAF (Property)
The StoreFilterAAF property is used to determine and specify if the filters set by the user...
StoreSortAAF (Property)
The StoreSortAAF property is used to determine and specify if the sorting order defined by the user...
Tiff (Type of variable)
The Tiff type is used to define the advanced characteristics of a TIFF image.
Native MariaDB Connector for WINDEV and WEBDEV
WINDEV and WEBDEV propose a Native Connector to MariaDB (also called Native Access)......
hdfsConnection (Type of variable)
The hdfsConnection type is used to define the advanced characteristics of a connection...
How to fill a TreeView Table control?
This help page explains how to populate a TreeView Table control programmatically....
Standard dialog boxes
The dialog boxes are standard windows that allow you to communicate with the user......
AssistedInput (Type of variable)
The AssistedInput type allows you to define all the advanced characteristics of an autocomplete...
WEBDEV layouts
A layout allows you to define several views of a page without duplicating it......
LINUX: Accessing the ODBC databases
The native access to HFSQL Classic and Client/Server is available for the WINDEV applications...
Constants for managing the applications with "Live update"
List of constants used by functions for managing applications with "Live update"....
Display (External language)
Displays a value in a control or assigns a value in a variable.
DisplayLongText (External language)
Displays a long text in a text control in Pascal and in C.
Beep (External language)
Used to emit a beep on the speaker of the computer.
Library,Disk (External language)
Opens the project library that is stored on disk.
Library,Error (External language)
Loads the file that contains the error messages handled by WD??EXE.DLL in the desired language.