WA Get context

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

Parameter	Type		Description
*	Operator	→	If specified, object is an object name (string). If omitted, object is a variable.
object	any	→	Object name (if * is specified) or Variable (if * is omitted).
contextObj	Object	←	Context object if previously defined, otherwise null.

Description

The WA Get context command retrieves the context object defined for $4d in the Web area designated by the * and object parameters using WA SET CONTEXT. If WA SET CONTEXT was not called for the web area the command returns null.

note

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.

Example

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

See also

WA SET CONTEXT

Properties

Command number	1849
Thread safe	✗