4D v13.4

WA Back URL available

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4D v13.4
WA Back URL available

WA Back URL available 


 

WA Back URL available ( {* ;} object ) -> Function result 
Parameter Type   Description
Operator in If specified, object is an object name (string) If omitted, object is a variable
object  Form object in Object name (if * is specified) or Variable (if * is omitted)
Function result  Boolean in True if there is a previous URL in the sequence of URLs opened;otherwise, False

The WA Back URL available command finds out whether there is a previous URL available in the sequence of URLs opened in the Web area designated by the * and object parameters.

The command returns True if a URL exists and False otherwise. More particularly, this command can be used, in a custom interface, to enable or disable navigation buttons.

 
PROPERTIES 

Product: 4D
Theme: Web Area
Number: 1026

 
INDEX

Alphabetical list of commands

 
HISTORY 

Created: 4D v11 SQL Release 2

 
SEE ALSO 

WA Forward URL available
WA OPEN BACK URL