// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002432/int64-fromfiletimeutc

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        DateTime localDate = new DateTime(2010, 3, 14, 2, 30, 0, DateTimeKind.Local);

        Int64 fileTime = localDate.ToFileTimeUtc();

        // C# Extension Method: Int64 - FromFileTimeUtc

        DateTime localDate2 = fileTime.FromFileTimeUtc();

        Console.WriteLine("{0} = {1}: {2}", localDate, localDate2, localDate.Equals(localDate2));

​

    }

}