public EventManager(Sensor.SensorManager snrmgr)
{
// SSHMC01Entities1 db = new SSHMC01Entities1();
foreach (Sensor.SensorBase snr in snrmgr.getAllDeviceEnum())
{
snr.OnDegreeChanged += new Sensor.OnDegreeChangedHandler(snr_OnDegreeChanged);
}
}