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Gestalt Items |
Copyright © 2008, 2009 Arndt Roger Schneider
I favor explicit control over every aspects of a control’s properties and behavior. The Rtl_tree is no exception from this. Any node inserted into the Rtl_tree has to be specified before, and then inserted into the hierarchy by using a 'insert' call.
Each node is identified by a delimiter token (default is /), this token can be changed with the Rtl_tree 'char' property.
Example 4.1. Inserting Nodes
# Assume .tree is a rtl_tree and # Images imgA, imgB, imgRoot exist. .t.tree insert / -image imgRoot .t.tree insert /a -image imgA .t.tree insert /a/b -image imgB …
The attributes contributed with each insert operation have to match those defined in the property 'visible' (See: Example 4.2, “Table Look”). There may be more attributes specified then listed in 'visible'.