This is the legacy 4D documentation web site. Documentations are progressively being moved to developer.4d.com
- 4D Language Reference
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- Hierarchical Lists
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Managing Hierarchical Lists
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APPEND TO LIST
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CLEAR LIST
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Copy list
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Count list items
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DELETE FROM LIST
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Find in list
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GET LIST ITEM
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Get list item font
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GET LIST ITEM ICON
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GET LIST ITEM PARAMETER
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GET LIST ITEM PARAMETER ARRAYS
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GET LIST ITEM PROPERTIES
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GET LIST PROPERTIES
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INSERT IN LIST
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Is a list
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List item parent
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List item position
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LIST OF CHOICE LISTS
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Load list
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New list
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SAVE LIST
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SELECT LIST ITEMS BY POSITION
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SELECT LIST ITEMS BY REFERENCE
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Selected list items
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SET LIST ITEM
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SET LIST ITEM FONT
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SET LIST ITEM ICON
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SET LIST ITEM PARAMETER
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SET LIST ITEM PROPERTIES
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SET LIST PROPERTIES
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SORT LIST
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Is a list
| 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 v19)
4D Language Reference ( 4D v19.1)
4D Language Reference ( 4D v19.4)
4D Language Reference ( 4D v19.5)
4D Language Reference ( 4D v19.6)
4D Language Reference ( 4D v19.7)
4D Language Reference ( 4D v19.8)
