# WheelEvent class

Inheritance
  - Object
  - Event
  - UIEvent
  - MouseEvent
  - WheelEvent
Annotations
  - @Native("WheelEvent")

## Constructors

WheelEvent(String type, { Window view, num deltaX: 0, num deltaY: 0, num deltaZ: 0, int deltaMode: 0, int detail: 0, int screenX: 0, int screenY: 0, int clientX: 0, int clientY: 0, int button: 0, bool canBubble: true, bool cancelable: true, bool ctrlKey: false, bool altKey: false, bool shiftKey: false, bool metaKey: false, EventTarget relatedTarget })
  factory

## Properties

deltaMode → int
  read-only
deltaX → num
  The amount that is expected to scroll horizontally, in units determined by deltaMode. [...]
  read-only
deltaY → num
  The amount that is expected to scroll vertically, in units determined by deltaMode. [...]
  read-only
deltaZ → num
  final
altKey → bool
  final, inherited
bubbles → bool
  final, inherited
button → int
  final, inherited
buttons → int
  final, inherited
cancelable → bool
  final, inherited
client → Point<num>
  read-only, inherited
composed → bool
  final, inherited
ctrlKey → bool
  final, inherited
currentTarget → EventTarget
  read-only, inherited
dataTransfer → DataTransfer
  read-only, inherited
defaultPrevented → bool
  final, inherited
detail → int
  final, inherited
eventPhase → int
  final, inherited
fromElement → Node
  The nonstandard way to access the element that the mouse comes from in the case of a `mouseover` event. [...]
  final, inherited
hashCode → int
  The hash code for this object. [...]
  read-only, inherited
isTrusted → bool
  final, inherited
layer → Point<num>
  read-only, inherited
matchingTarget → Element
  A pointer to the element whose CSS selector matched within which an event was fired. If this Event was not associated with any Event delegation, accessing this value will throw an UnsupportedError.
  read-only, inherited
metaKey → bool
  final, inherited
movement → Point<num>
  @SupportedBrowser(SupportedBrowser.CHROME), @SupportedBrowser(SupportedBrowser.FIREFOX), read-only, inherited
offset → Point<num>
  The coordinates of the mouse pointer in target node coordinates. [...]
  read-only, inherited
page → Point<num>
  read-only, inherited
path → List<EventTarget>
  read-only, inherited
region → String
  final, inherited
relatedTarget → EventTarget
  read-only, inherited
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited
screen → Point<num>
  read-only, inherited
shiftKey → bool
  final, inherited
sourceCapabilities → InputDeviceCapabilities
  final, inherited
target → EventTarget
  read-only, inherited
timeStamp → num
  final, inherited
toElement → Node
  The nonstandard way to access the element that the mouse goes to in the case of a `mouseout` event. [...]
  final, inherited
type → String
  final, inherited
view → WindowBase
  read-only, inherited

## Methods

composedPath() → List<EventTarget>
  inherited
getModifierState(String keyArg) → bool
  inherited
noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited
preventDefault() → void
  inherited
stopImmediatePropagation() → void
  inherited
stopPropagation() → void
  inherited
toString() → String
  Returns a string representation of this object.
  inherited

## Operators

operator ==(dynamic other) → bool
  The equality operator. [...]
  inherited

## Constants

DOM_DELTA_LINE → const int
  `0x01`
DOM_DELTA_PAGE → const int
  `0x02`
DOM_DELTA_PIXEL → const int
  `0x00`