/// <summary>
/// Reads the date time.
/// </summary>
/// <param name="portlist">The portlist.</param>
/// <param name="proxy">The proxy.</param>
/// <param name="clientGuid">The client GUID.</param>
private static async Task ReadDateTime(string portName, SmlComServiceClient proxy, Guid clientGuid)
{
Console.WriteLine();
Console.WriteLine("{0} - Reading current meter time", portName);
var dt = proxy.ReadDateAndTimeParam(clientGuid, portList.FirstOrDefault(m => m.ComPortName == portName));
Console.WriteLine("{0} - Meter time (localtime): {1}, read at: {2}.", portName, dt.Data.Value.ToLocalTime(), dt.ReadAt.Value.ToLocalTime());
Console.WriteLine();
}