ONLINE HELP
 WINDEV, WEBDEV 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...
WebSocketExecuteGlobalService (Function)
Executes a global procedure in the context of the global service of the WebSocket server.
TypeVar (Function)
Identifies the type of an expression, a variable (during a call to a procedure for example)...
J2EEError (Function)
Returns the error for the last J2EE procedure that failed.
DeepLinkProcedure (Function)
Defines the WLanguage procedure executed when the user clicks on a deep link.
<websocketClient variable>.Execute (Function)
Executes a global procedure in the context of a client connected to the WebSocket server.
Defining columns of Table controls programmatically
awProcedureGetInfo (Function)
Specifies the WLanguage procedure that will be called when receiving information coming...
Map (Function)
Executes a procedure on each element of a source array and returns the results in a WLanguage...
Filter (Function)
Returns an array containing the elements of a source array for which a procedure returns True.
<Array>.Filter (Function)
Returns an array containing the elements of a source array for which a procedure returns True.
awProcedureGetAndSendInfo (Function)
Specifies the WLanguage procedure that will be called when receiving information coming...
WidgetProcedure (Function)
Specifies the procedure that will be called when the user clicks an iOS 14 widget.
<Array>.Map (Function)
Executes a procedure on each element of a source array and returns the results in a WLanguage...
Compile (Function)
Dynamically compiles an Procedure whose source code is provided (dynamic compilation).
J2EEGetResult (Function)
Returns the result of the last J2EE procedure that was successfully run.
J2EERun (Function)
Runs a procedure on a server of J2EE XML Web services.
J2EERunXML (Function)
Runs a procedure on a server of J2EE XML Web services.
AJAXAsynchronousCallPending (Function)
Used to find out whether a server procedure called by AJAXExecuteAsynchronous is currently run.
SeekByProcedure (Function)
Seeks an element in a one-dimensional array by using a comparison procedure.
dbgOnError (Function)
Defines the WLanguage procedure that will be called whenever an error is detected by a dbgCheckXXX...
EventExist (Function)
Indicates whether a specific procedure is run when a Windows event is sent to a control or window.
OpenAsynchronous (Function)
Opens a window whose result will be retrieved via a WLanguage procedure ("callback").
Default (Property)
The Default property is used to determine if a parameter has been passed to a procedure...
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