protected override void OnPreloadResources()
{
base.OnPreloadResources();
if( !string.IsNullOrEmpty( SoundOpen ) )
SoundWorld.Instance.SoundCreate( SoundOpen, SoundMode.Mode3D );
if( !string.IsNullOrEmpty( SoundClose ) )
SoundWorld.Instance.SoundCreate( SoundClose, SoundMode.Mode3D );
}