DirectedGraphNodeViewModel.subscribePropertiesChanged Method
Subscribe an event handler for the properties changed event.
Parameters
- handler
-
Type: Function - May be null
(Optional) Handler to subscribe.
- unsubscribe
-
Type: boolean - May be null
(Optional) True to unsubscribe.
- once
-
Type: Function - May be null
(Optional) True to subscribe a one time handler.