HighResolutionDateTime.cs

/// <summary>
/// Read more at: https://stackoverflow.com/a/14369695/375958
/// </summary>
public static class HighResolutionDateTime
{
    private static long lastTimeStamp = DateTime.UtcNow.Ticks;
    public static long UtcNowTicks
    {
        get
        {
            long original, newValue;
            do
            {
                original = lastTimeStamp;
                long now = DateTime.UtcNow.Ticks;
                newValue = Math.Max(now, original + 1L);
            } while (Interlocked.CompareExchange(ref lastTimeStamp, newValue, original) != original);

            return newValue;
        }
    }
}