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<blockquote data-quote="CyberSimian" data-source="post: 1285870" data-attributes="member: 141969">Here are a couple of examples from my skin:[code]&lt;!-- height of TV and radio guides --&gt;&lt;define property=&quot;true&quot; evaluateNow=&quot;true&quot;&nbsp; &gt;#cw.guide.h:#(&nbsp; div(add(mul(cint(#cw.guide.rows),3733),6319),100))&lt;/define&gt;&lt;!-- number of rows in a name list (use skin setting) --&gt;&lt;!-- note: value is stored as &quot;#(n)&quot;, so need to remove &quot;#()&quot; --&gt;&lt;define property=&quot;true&quot; evaluateNow=&quot;true&quot;&nbsp; &gt;#cw.nlist.rows:#(string.trim(#skin.list.rows,'()#'))&lt;/define&gt;[/code]These examples are ones that return string values, with no side effects. I think that &quot;skin.setfocus()&quot; also returns a string value (the null string), but its primary purpose is the side effect of setting the focus. I don't know whether that would work in a &lt;define&gt;. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite26" alt=":unsure:" title="Unsure&nbsp; &nbsp; :unsure:" loading="lazy" data-shortname=":unsure:" />Here is a more-complex example from &quot;DefaultWideHD&quot;:[code]&lt;define property=&quot;true&quot; evaluateNow=&quot;true&quot;&nbsp; &gt;#TV8:#(string.format('{0}{1}',#TV8.name,iif(eq(#TV8.active,' '),'',#PLUGERROR))&nbsp; )&lt;/define&gt;[/code]When I want to understand how something is used, I first scan my own skin to see if I have already used it and forgotten, and then I scan DWHD to see if DWHD has used it. I use the Windows &quot;findstr.exe&quot; to search the skin files, and direct the output to a file to browse at my leisure. Example: to find occurrences of the &lt;define&gt; tag:[code]findstr.exe &quot;&lt;define&quot; *.xml &gt;findstr.out[/code]-- from CyberSimian in the UK</blockquote>

[QUOTE="CyberSimian, post: 1285870, member: 141969"] Here are a couple of examples from my skin: [code] <define property="true" evaluateNow="true" >#cw.guide.h:#( div(add(mul(cint(#cw.guide.rows),3733),6319),100))</define>   <define property="true" evaluateNow="true" >#cw.nlist.rows:#(string.trim(#skin.list.rows,'()#'))</define>[/code] These examples are ones that return string values, with no side effects. I think that "skin.setfocus()" also returns a string value (the null string), but its primary purpose is the side effect of setting the focus. I don't know whether that would work in a <define>. :unsure: Here is a more-complex example from "DefaultWideHD": [code]<define property="true" evaluateNow="true" >#TV8:#(string.format('{0}{1}',#TV8.name,iif(eq(#TV8.active,' '),'',#PLUGERROR)) )</define>[/code] When I want to understand how something is used, I first scan my own skin to see if I have already used it and forgotten, and then I scan DWHD to see if DWHD has used it. I use the Windows "findstr.exe" to search the skin files, and direct the output to a file to browse at my leisure. Example: to find occurrences of the <define> tag: [code]findstr.exe "<define" *.xml >findstr.out[/code] -- from CyberSimian in the UK [/QUOTE]

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