yDetail"></a>
<div class="detailSectionHeader">Property detail</div>
<a name="alpha"></a>
<table cellspacing="0" cellpadding="0" class="detailHeader">
<tr>
<td class="detailHeaderName">alpha</td><td class="detailHeaderType">property</td>
</tr>
</table>
<div class="detailBody">
<code>alpha:Number</code>&nbsp;&nbsp;[read-write]<p>
   Specifies the foreground alpha of the lines
   
   </p><p>The default value is <code>"1"</code>.</p>
<span class="label">Implementation</span>
<br>
<code>&nbsp;&nbsp;&nbsp;&nbsp;