using System;

public class Program

{

    private static readonly DateTimeOffset UtcEpoch = new DateTimeOffset(1970, 1, 1, 0, 0, 0, 0, TimeSpan.Zero);

    public static void Main()

    {

        double depth=101;

        DateTimeOffset time = DateTimeOffset.UtcNow;

        //Console.WriteLine(DoubleToLong(depth));

        Console.WriteLine("Ticks : "+time.Ticks);

        Console.WriteLine("Long : "+DateTimeOffsetToLong(time));

    }

    private static long DoubleToLong(double value, int scale = 5)

    {

        return (long)(value * Math.Pow(10.0, (double)scale));

    }

    private static long DateTimeOffsetToLong(DateTimeOffset datetime)

    {

        return (datetime - UtcEpoch).Ticks / 10L;

    }

}