 is improperly formatted, or if a corresponding IODisplayInfo isn't found, this method returns -1.</font>

<p><font face="Times">See the IODisplay class description for information on display modes and the IODisplayInfo type.</font></td></tr>

</table>

<p><br><br>

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<tr valign=top>

<td width=105></td>

<td><font face="Helvetica"><b>setBrightness:token:</b></font></td></tr>

</table>

<table cellspacing=0 cellpadding=0>

<tr valign=top>

<td width=124></td>

<td><img src