SFX Stop is not Working: - LOGGED

Hi All

I am using Torque Alpha. Where i have to Play the ogg file.

I have played the ogg file.

$MainTheme = sfxCreateSource(AudioMusicLoop2D, "art/sound/throw.ogg");
if(%name$="sound")
{
$maintheme.play();
}
else
{
$maintheme.stop();
}


but the ogg file is playing only .It is not stop.


could any one help me. How can i stop the ogg file in torque 3d alpha.

Thanks in advance