WA Get context

WA Get context ( {* ;} object ) -> contextObj

Parámetros	Tipo		Descripción
*	Operador	→	If specified, object is an object name (string). If omitted, object is a variable.
object	Objetos de formulario	→	Object name (if * is specified) or Variable (if * is omitted).
contextObj	Object	←	Context object if previously defined, otherwise null.

Descripción

El comando WA Get context recupera el objeto de contexto definido para $4d en el área Web designada por los parámetros * y object utilizando WA SET CONTEXT. If WA SET CONTEXT was not called for the web area the command returns null.

nota

The command is only usable with an embedded web area where the Use embedded web rendering engine and Access 4D methods parameters are set to true.

Ejemplo

Checking if a context exists:

 var $contextObj:=WA Get context(*; "myWebArea")

 If ($contextObj=Null)
	ALERT("No context set for this web area.")
 Else 
	ALERT("Context is defined!")
 End if

Ver también

WA SET CONTEXT

Propiedades

Número de comando	1849
Hilo seguro	✗