public override void Write(BinaryWriter writer, object obj)
{
var quote = (Quote)obj;
writer.Write(quote.DateTime.Ticks);
writer.Write(quote.Bid.ProviderId);
writer.Write(quote.Bid.InstrumentId);
writer.Write(quote.Bid.Price);
writer.Write(quote.Bid.Size);
writer.Write(quote.Ask.Price);
writer.Write(quote.Ask.Size);
}
}