BeginLabelEdit (Key)

Funktionsname c:<CONTROL-NAME>_OnBeginLabelEdit
Syntax   (defun c:<CONTROL-NAME>_OnBeginLabelEdit (Key [as Handle or String] /)
)
Rückgabewert Ignored
Ausgelöst durch Tree

This event is triggered when editing is initiated for the specified item label. Key identifies the item; it is a string if the control uses string keys; otherwise it is a unique handle that identifies the item.