Specifies the Drill Start Event arguments.
boolean
Defines the event cancel status
Object
return the child values to process the onDemand support.
number
Defines the level of the treemap item.
string
Defines the parent name of the treemap item.
Object
Define the current drillDown item.
string
Defines the name of the event
boolean
return the boolean value whether it is right or not.
Defines the current TreeMap instance