WheelEvent class Null safety

Inheritance

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

altKey bool
read-only, inherited
bubbles bool?
read-only, inherited
button int
read-only, inherited
buttons int?
read-only, inherited
cancelable bool?
read-only, inherited
client Point<num>
read-only, inherited
composed bool?
read-only, inherited
ctrlKey bool
read-only, inherited
currentTarget EventTarget?
read-only, inherited
dataTransfer DataTransfer
read-only, inherited
defaultPrevented bool
read-only, inherited
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?
read-only
detail int?
read-only, inherited
eventPhase int
read-only, inherited
fromElement Node?
The nonstandard way to access the element that the mouse comes from in the case of a mouseover event.
read-only, inherited
hashCode int
The hash code for this object.
read-only, inherited
isTrusted bool?
read-only, 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
read-only, inherited
movement Point<num>
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?
read-only, 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
read-only, inherited
sourceCapabilities InputDeviceCapabilities?
read-only, inherited
target EventTarget?
read-only, inherited
timeStamp num?
read-only, inherited
toElement Node?
The nonstandard way to access the element that the mouse goes to in the case of a mouseout event.
read-only, inherited
type String
read-only, 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
A string representation of this object.
inherited

Operators

operator ==(Object 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