Do not use component control. FLV Volume Size

Control a lot of netizens pm I ask: "If the component how to control." How about the FLV volume? ”
In fact all very simple, with control MP3 volume is a basket of things ~
::::* * * * * * * * * * Summer Night (guoyl) * * *::::
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var nc:netconnection = new Netconnection ();
Nc.connect (NULL);
var ns:netstream = new NetStream (NC);
Myvideo.attachvideo (NS);
Ns.play ("myvideo.flv");
Create an instance MC get the sound of myvideo.flv
_root.createmptymovieclip ("SOUNDMC", _root.getnexthighestdepth ());
Soundmc.attachaudio (NS);
var videos:sound = new Sound (SOUNDMC);
Set Sound size
Videos.setvolume (50);