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onexpand_wrname
The name of the Webroutine that will be invoked when a node in the tree is expanded and has no children.
Default value
Blank. The current Webroutine is the default.
Valid values
The name of a valid Webroutine, in single quotes. A selection can be made from a list of valid Webroutines by clicking on the corresponding dropdown button in the property sheet.
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