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### Arrowscrollbox

A box which provides scroll arrows along its edges for scolling through the contents of the box. The user only needs to hover the mouse over the arrows to scroll the box. This element is typically used for large popup menus.

More information about arrowscrollbox

Properties and Methods:

scrollByIndex

#### Attributes:

Inherited from XUL Element:

align | allowevents | allownegativeassertions | class | coalesceduplicatearcs
collapsed | container | containment | context | contextmenu
datasources | dir | empty | equalsize | flags
flex | height | hidden | id | insertafter
insertbefore | left | maxheight | maxwidth | menu
minheight | minwidth | mousethrough | observes | ordinal
orient | pack | persist | popup | position
preference-editable | ref | removeelement | sortDirection | sortResource
sortResource2 | statustext | style | template | tooltip
tooltiptext | top | uri | wait-cursor | width

#### Properties and Methods:

##### scrollByIndex ( lines )

Return Type: no return value

Scrolls the contents of the arrowscrollbox by a certain number of lines. A line is a single element. Use a positive value as the lines argument to scroll forward that many lines, or a negative value to scroll backward that many lines.

Inherited from XUL Element:

align | allowEvents | blur | boxObject | boxObject.element
boxObject.getLookAndFeelMetric | boxObject.height | boxObject.screenX | boxObject.screenY | boxObject.width
boxObject.x | boxObject.y | builder | className | click
collapsed | contextMenu | controllers | database | datasources
dir | doCommand | flex | focus | getElementsByAttribute
height | hidden | id | left | maxHeight
maxWidth | menu | minHeight | minWidth | observes
ordinal | orient | pack | persist | ref
resource | statusText | style | tooltip | tooltipText
top | width

Inherited from Element:

addEventListener | appendChild | attributes | childNodes | cloneNode
dispatchEvent | firstChild | getAttribute | getAttributeNS | getAttributeNode
getAttributeNodeNS | getElementsByTagName | getElementsByTagNameNS | hasAttribute | hasAttributeNS
hasAttributes | hasChildNodes | insertBefore | isSupported | lastChild
localName | namespaceURI | nextSibling | nodeName | nodeType
nodeValue | normalize | ownerDocument | parentNode | prefix
previousSibling | removeAttribute | removeAttributeNS | removeAttributeNode | removeChild
removeEventListener | replaceChild | setAttribute | setAttributeNS | setAttributeNode
setAttributeNodeNS | tagName

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