// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002714/object-isarray

​

// @nuget: Z.ExtensionMethods

using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        string str = "";

        string[] strArray = {"a", "b", "c"};

        List<int> list = new List<int>();

        IEnumerable<Char> charList = new List<char> (){ 'a', 'b' };

​

        object[] objList = { str, strArray, 2.3, list, charList, 2 };

​

        foreach (var t in objList)

        {

            //C# Extension Method: Object - IsArray

            Console.WriteLine("{0,-15} IsArray = {1}", t.GetType(), t.IsArray());

        }

    }

}