WhenWhy class

An EventArgs derived class that includes the date/time the Event was broadcast, and an optional description.

Provides a whenOccurred and description fields.

// example declaration ...
var myEvent = Event<WhenWhy>();
// broadcast with an optional description ...
myEvent.broadcast(WhenWhy(description: 'something'))
// in subscriber handler ...
print(args.whenOccurred);
print(args.description);

Inheritance

• Object
• EventArgs
• WhenWhy

Constructors

WhenWhy({String description = ''})

Creates a new WhenWhy, with an optional description.

Properties

description ↔ String

An optional description or other information.

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

whenOccurred ↔ DateTime

The date and time the Event was broadcast.

getter/setter pair

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited