4D v13.4

Is in set

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4D v13.4
4D Language Reference
Sets
Is in set

Is in set 


 

Is in set ( set ) -> Function result 
Parameter Type   Description
set  String in Name of the set to test
Function result  Boolean in Current record of set's table is in set (True) or Current record of set's table is not in set (False)

Is in set tests whether or not the current record for the table is in set. The Is in set function returns TRUE if the current record of the table is in set, and returns FALSE if the current record of the table is not in set.

Example  

The following example is a button object method. It tests to see whether or not the currently displayed record is in the set of best customers:

 If(Is in set("Best")) ` Check if it is a good customer
    ALERT("They are one of our best customers.")
 Else
    ALERT("They are not one of our best customers.")
 End if

 
PROPERTIES 

Product: 4D
Theme: Sets
Number: 273

 
INDEX

Alphabetical list of commands

 
HISTORY 

Created: < 4D v6

 
SEE ALSO 

ADD TO SET
REMOVE FROM SET