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4D v20 R7
Is a list
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Is a list ( list ) -> Function result | ||||||||
Parameter | Type | Description | ||||||
list | ListRef |
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ListRef value to be tested | |||||
Function result | Boolean |
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TRUE if list is a hierarchical list FALSE if list is not a hierarchical list | |||||
The Is a list command returns TRUE if the value you pass in list is a valid reference to a hierarchical list. Otherwise, it returns FALSE.
See example for the CLEAR LIST command.
See examples for the _o_DRAG AND DROP PROPERTIES command.
Product: 4D
Theme: Hierarchical Lists
Number:
621
Created: 4D v6
4D Language Reference ( 4D v20 R7)