ENABLE Reference Manual
 ENABLE ATTRIBUTES
 TREE Attribute
 To build this tree structure for an application, you set a value
 for the TREE attribute as follows:
 1. Identify "depart-box" as being at the first level of the tree
 structure:
 SET APPL TREE (02 depart-box
 2. Identify "employ-box" as being at the second level of the
 tree structure:
 SET APPL TREE (02 depart-box
 04 employ-box
 3. Provide the LINK OPTIONAL that connects "employ-box" to its
 parent "depart-box":
 LINK dept-no TO OPTIONAL dept-num
 | |
 | join field of "employ-box"
 |
 join field of "depart-box"
 4. Include the LINK OPTIONAL with the part of the TREE value
 that identifies a level for "employ-box":
 SET APPL TREE (02 depart-box
 04 employ-box
 LINK dept-no TO OPTIONAL dept-num
 5. Identify "depends-box" as being at the third level of the
 tree:
 SET APPL TREE (02 depart-box
 04 employ-box
 LINK dept-no TO OPTIONAL dept-num
 06 depends-box
 6. Provide the LINK OPTIONAL that links "depends-box" to its
 parent "employ-box":
 LINK employ-box TO OPTIONAL depends-box VIA empnum
 | | |
 | | Name of join
 | | field for both
 | | boxes
 | |
 | Name of child box
 Name of parent box
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