// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002398/int32-convertfromutf32

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main() 

    {

        int letterA = 0x0041;  //U+00041 = LATIN CAPITAL LETTER A 

        Console.WriteLine("Create a UTF-16 encoded string from a code point.");

        // C# Extension Method: Int32 - ConvertFromUtf32

        string s1 = letterA.ConvertFromUtf32();

        Console.Write("    1a) 0x{0:X} => ", letterA);

        Show(s1);

    }

    private static void Show(string s) {

        for (int x = 0; x < s.Length; x++)

        {

            Console.Write("0x{0:X}{1}", (int)s[x], ((x == s.Length-1)? String.Empty : ", "));

        }

    }

}