Specifies the event arguments for the drill down start event of treemap.
boolean
Specifies the cancel state for the event. The default value is false. If set as true, the event progress will be stopped.
Object
Defines the details of the child level items in the drill start event.
Element
Defines the current element of drill-down.
number
Defines the level of the treemap item.
string
Defines the parent name of the treemap item.
Object
Defines the current drill-down item.
string
Defines the name of the event.
boolean
Returns whether the right click is performed or not.
Defines the current treemap instance.