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9<title>GXPokeAlphaUpdate</title>
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14<h1 align="left">GXPokeAlphaUpdate</h1>
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17<h2>C Specification</h2>
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20<dd><PRE><CODE>#include &lt;revolution/gx.h&gt;</CODE></PRE></dd>
21<dd><pre>void GXPokeAlphaUpdate( <a href="../Enumerated_Types/GXBool.html">GXBool</a> update_enable );</pre></dd>
22</dl><h2>Arguments</h2>
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25<TD width="120" bgcolor="#ffffe8"><em><strong>update_enable</strong></em></TD>
26<TD width="520"><code>Enables alpha-buffer updates when <code>GX_TRUE</code>.</code>.</TD>
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29<h2>Return Values</h2>
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31<p>None.</p>
32<H2>Description</H2>
33<P>This function enables or disables alpha-buffer updates for <code>GXPoke</code>* functions.&nbsp;The normal rendering state (<a href="../PixelProc/GXSetAlphaUpdate.html"><code>GXSetAlphaUpdate</code></a>) is not effected.</P>
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38<h2>See Also</h2>
39<P><A href="GXPokeARGB.html"><CODE>GXPokeARGB</CODE></A></P>
40<H2>Revision History</H2>
41<P>03/01/2006 Initial version.</P>
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