Calling a procedure/a function

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Calling a procedure/a function

In french: Appeler une procédure/une fonction

The method for calling a procedure is the same, no matter whether it is a global procedure or a local procedure.

Reminder:

In WLanguage, there is no distinction between the procedures and the functions. The syntaxes for declaring and using the procedures also apply to the functions.
Versions 16 and later
For a multi-syntax procedure, the call to the proper syntax is resolved at run time. See Prototype overload for more details.
New in version 16
For a multi-syntax procedure, the call to the proper syntax is resolved at run time. See Prototype overload for more details.
For a multi-syntax procedure, the call to the proper syntax is resolved at run time. See Prototype overload for more details.

Example

// Call to the Find procedure that returns a boolean
IF Find(Customer, CustNum, Number) THEN
Info("Customer number found")
ELSE
Info("Customer number not found")
END

Syntax

Calling a procedure that returns a parameter Hide the details

[<Returned Value> = ] <Procedure Name>([<Parameters>])

<Returned value>:

Value returned by the procedure (optional), only if the procedure returns a result.
Versions 18 and later
The type of the return value of a procedure can be specified during its declaration. See Declaring a procedure for more details.
New in version 18
The type of the return value of a procedure can be specified during its declaration. See Declaring a procedure for more details.
The type of the return value of a procedure can be specified during its declaration. See Declaring a procedure for more details.

<Procedure name>:

Name of the procedure to call.

<Parameters>:

Parameters passed to the procedure. Each parameter is separated by a comma.
See The parameters of a procedure for more details.

Versions 19 and later

Calling a procedure that returns several parameters Hide the details

(<Value 1>, ..., <Value N>) = <Procedure Name>([<Parameters>])

<Value 1 to N>:

Values returned by the procedure.
The type of the return values of a procedure can be specified during its declaration. See Declaring a procedure for more details.

<Procedure name>:

Name of the procedure to call.

<Parameters>:

Parameters passed to the procedure. Each parameter is separated by a comma.
See The parameters of a procedure for more details.

New in version 19

Calling a procedure that returns several parameters Hide the details

(<Value 1>, ..., <Value N>) = <Procedure Name>([<Parameters>])

<Value 1 to N>:

Values returned by the procedure.
The type of the return values of a procedure can be specified during its declaration. See Declaring a procedure for more details.

<Procedure name>:

Name of the procedure to call.

<Parameters>:

Parameters passed to the procedure. Each parameter is separated by a comma.
See The parameters of a procedure for more details.

Calling a procedure that returns several parameters Hide the details

(<Value 1>, ..., <Value N>) = <Procedure Name>([<Parameters>])

<Value 1 to N>:

Values returned by the procedure.
The type of the return values of a procedure can be specified during its declaration. See Declaring a procedure for more details.

<Procedure name>:

Name of the procedure to call.

<Parameters>:

Parameters passed to the procedure. Each parameter is separated by a comma.
See The parameters of a procedure for more details.

Remarks

Special cases

To make your programs more readable, the PROCEDURE keyword can be replaced by the FUNCTION keyword.
If the procedure expects no parameter, you can also use the following syntax:

[<Returned Value> = ] <Procedure Name>
To run a procedure of an opened window, all you have to do is use ExecuteProcess. Example:

// Run the MyProc procedure found in WIN_MyWindow
WinName is string = "WIN_MyWindow"
ExecuteProcess(WinName + ".MyProc", trtProcedure)