https://wiki.returnofreckoning.com/index.php?action=history&feed=atom&title=API%3AHorizontalScrollbarSetLineSizeAPI:HorizontalScrollbarSetLineSize - Revision history2026-10-17T16:47:39ZRevision history for this page on the wikiMediaWiki 1.43.11https://wiki.returnofreckoning.com/index.php?title=API:HorizontalScrollbarSetLineSize&diff=30506&oldid=prevMaintenance script: UI Lua API import (WAR 1.4.8)2026-10-16T19:45:39Z<p>UI Lua API import (WAR 1.4.8)</p>
<p><b>New page</b></p><div>{{LuaApi|group=Scrollbar}}<br />
Meant to set the line size of a HorizontalScrollbar. In the current client it sets the '''page size''' instead. See [[#Details|Details]].<br />
<br />
<pre><br />
HorizontalScrollbarSetLineSize(scrollbarName, size)<br />
</pre><br />
<br />
== Arguments ==<br />
;scrollbarName : <code>string</code> – Name of the HorizontalScrollbar.<br />
;size : <code>number</code> – The value to store.<br />
<br />
== Returns ==<br />
Nothing.<br />
<br />
== Details ==<br />
* The client passes the arguments to the scrollbar in the wrong order:<br />
** <code>size</code> becomes the page size (returned by [[API:HorizontalScrollbarGetPageSize|HorizontalScrollbarGetPageSize]]).<br />
** The line size is set to the page size the scrollbar had before the call.<br />
** If <code>size</code> is larger than the maximum scroll position, the maximum is raised to <code>size</code>.<br />
* To set the line size, use [[API:HorizontalScrollbarSetPageSize|HorizontalScrollbarSetPageSize]], which has the opposite mix-up. See that page for a call order that sets both values.<br />
* The thumb is recalculated and the current position is clamped again. If that moves the position, the <code>OnScrollPosChanged</code> handler runs.<br />
* The stock UI never calls this function.<br />
* The function needs at least two arguments and only reads the last two. Any extra arguments placed in front of them are ignored.<br />
<br />
== Errors ==<br />
* <code>Error in function call 'HorizontalScrollbarSetLineSize': Window %s does not exist</code><br />
* <code>Error in function call 'HorizontalScrollbarSetLineSize': Window %s is not a HorizontalScrollbar</code><br />
<br />
== Example ==<br />
See [[API:HorizontalScrollbarSetPageSize#Details|HorizontalScrollbarSetPageSize]].<br />
<br />
== See also ==<br />
* [[API:HorizontalScrollbarGetLineSize|HorizontalScrollbarGetLineSize]]<br />
* [[API:HorizontalScrollbarSetPageSize|HorizontalScrollbarSetPageSize]]<br />
* [[API:HorizontalScrollbarGetPageSize|HorizontalScrollbarGetPageSize]]</div>Maintenance script