OnSelectionChangedEvent class
Deprecated. Please use onActivated.
class OnSelectionChangedEvent {
 /**
  * The ID of the tab that has become active.
  */
 final int tabId;
 final Map selectInfo;
 OnSelectionChangedEvent(this.tabId, this.selectInfo);
}
Constructors
new OnSelectionChangedEvent(int tabId, Map selectInfo) #
Creates a new Object instance.
Object instances have no meaningful state, and are only useful
through their identity. An Object instance is equal to itself
only.
docs inherited from Object 
OnSelectionChangedEvent(this.tabId, this.selectInfo);