}   // end of ParticleSystemManager UnloadContent()

        public void DeviceReset(GraphicsDevice device)
        {
            SharedEmitterManager.DeviceReset(device);

            BaseSpriteEmitter.DeviceReset(device);

            ExplosionEmitter.DeviceReset(device);
            FlowerEmitter.DeviceReset(device);
            HeartEmitter.DeviceReset(device);
            SmokeEmitter.DeviceReset(device);
            StarEmitter.DeviceReset(device);
            SteamEmitter.DeviceReset(device);
            SwearEmitter.DeviceReset(device);
            WreathEmitter.DeviceReset(device);

            BeamExplosionEmitter.DeviceReset(device);
            BeamSmokeEmitter.DeviceReset(device);
            ScanExplosionEmitter.DeviceReset(device);
            ScanSmokeEmitter.DeviceReset(device);
            RoverScanExplosionEmitter.DeviceReset(device);
            RoverScanSmokeEmitter.DeviceReset(device);
            InspectExplosionEmitter.DeviceReset(device);
            InspectSmokeEmitter.DeviceReset(device);
            FanEmitter.DeviceReset(device);
            InkEmitter.DeviceReset(device);
        }