1912UWPBLE_3.cs

public class AdvertisementListItem
{
    public ulong BluetoothAddress;
    public string AdvertisementData;
    public AdvertisementListItem(BluetoothLEAdvertisementReceivedEventArgs eventArgs)
    {
        BluetoothAddress = eventArgs.BluetoothAddress;

        var dataSections = eventArgs.Advertisement.DataSections;
        foreach (BluetoothLEAdvertisementDataSection dataSection in dataSections)
        {
            //DataTypeが0xFF(メーカー固有のデータ)なら、Dataをシリアルナンバーとアドバタイズデータにして代入
            if (dataSection.DataType == 0xFF)
            {
                byte[] datas = dataSection.Data.ToArray();
                StringBuilder sb = new StringBuilder();
                foreach (byte data in datas)
                {
                    sb.Append(data.ToString("X2"));
                }
                AdvertisementData = sb.ToString();
            }
        }
    }
}