//https://docs.microsoft.com/en-us/dotnet/standard/serialization/basic-serialization
static void Main(string[] args)
{
MyObject obj = new MyObject();
obj.n1 = 1;
obj.n2 = 24;
obj.str = "Some String";
IFormatter formatter = new BinaryFormatter();
Stream stream = new FileStream("MyFile.bin",
FileMode.Create, FileAccess.Write, FileShare.None);
formatter.Serialize(stream, obj);
stream.Close();
Console.WriteLine("n1: {0}", obj.n1);
Console.WriteLine("n2: {0}", obj.n2);
Console.WriteLine("str: {0}", obj.str);
ValueTuple <string, DateTime, decimal, int> value =
ValueTuple.Create("03244562", DateTime.Now, 13452.50m, 45);
value.CountTuples();
value.IsSerializable();
Console.ReadKey();
}