void ibeacon_ExitedRegion(object sender, IBMonitorEventArgs e)
 {
     //throw new NotImplementedException();
     currentbeacon = new IBBeacon() {Proximity = 4};
 }
 void ibeacon_EnteredRegion(object sender, IBMonitorEventArgs e)
 {
     currentbeacon = new IBBeacon() {Proximity = 4};
 }