// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002274/datetime-yesterday

​

// @nuget: Z.ExtensionMethods

​

using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        DateTime todayDate = DateTime.Now;

        Console.WriteLine("Current Date           : {0}", todayDate.ToFullDateTimeString());

        // C# Extension Method: DateTime - Yesterday

        DateTime tomorrow = todayDate.Yesterday();

        Console.WriteLine("After calling Yesterday: {0}", tomorrow.ToFullDateTimeString());

    }

}