public void Dispose()
{
S = null;
_device.Dispose();
_device = null;
}
public static void Init(System.Windows.Forms.Control targetControl)
{
if (S == null) S = new Sound();
if (_device == null) _device = new Device();
_device.SetCooperativeLevel(targetControl,CooperativeLevel.Priority);
_description = new BufferDescription();
_description.ControlVolume = true;
_description.ControlFrequency = true;
}