C# | Check if an Array has fixed size or not

// C# program to illustrate
// IsFixedSize of Array class
using System;
namespace geeksforgeeks {

class GFG {

    // Main Method
    public static void Main()
    {

        // declares an 1D Array of string
        string[] topic;

        // allocating memory for topic.
        topic = new string[] {"Array, ", "String, ",
                               "Stack, ", "Queue, ",
                        "Exception, ", "Operators"};

        // Displaying Elements of the array
        Console.WriteLine("Topic of C#:");

        foreach(string ele in topic)
            Console.WriteLine(ele + " ");

        Console.WriteLine();

        // Here we check whether is
        // array of fixed size or not
        Console.WriteLine("Result: " + topic.IsFixedSize);
    }
}
}

// C# program to illustrate
// IsFixedSize of Array class
using System;
namespace geeksforgeeks {

class GFG {

    // Main Method
    public static void Main()
    {

        // declares a 1D Array of string 
        // and assigning null to it
        string[] str = new string[] {null};

        // Here we check whether is
        // array of fixed size or not
        Console.WriteLine("Result: " + str.IsFixedSize);
    }
}
}