nbsp; You must invoke this method before you enqueue buffers on the stream.&nbsp; When you've finished recording or playing, you should send the NXSoundStream a <b>deactivate:</b> message.&nbsp; The NXSoundStream must be connected to an NXSoundDevice for this method to have an effect.&nbsp; An error code is returned.</font>

<p><font face="Times">See also:</font>&nbsp; <img src="../../../Images/c2D.gif" width=8 height=4> <font face="Times"><b>deactivate</b>,</font> <img src="../../../Images/c2D.gif" width=8