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TVirtualDrawTree.OnStateChange Event
Miscellaneous event.
Pascal
property OnStateChange: TVTStateChangeEvent;
Description
For special effects or in order to increase performance it is sometimes useful to know when the tree changes one of its internal states like tsIncrementalSearching or tsOLEDragging. The OnStateChange event is triggered each time such a change occurs letting so the application take measures for it.
Class
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