Obtaining array types

You can also obtain an array type by calling MakeArrayType on the element type:


using System;
using System.Reflection;
using System.Collections.Generic;

class MainClass
{
    static void Main()
    {
        Type tSimpleArray = typeof(int).MakeArrayType();
        Console.WriteLine(tSimpleArray == typeof(int[])); // True

    }

}

MakeArray can be passed an integer argument to make multidimensional rectangular arrays:


using System;
using System.Reflection;
using System.Collections.Generic;

class MainClass
{
    static void Main()
    {
        Type tCube = typeof(int).MakeArrayType(3);  // cube shaped
        Console.WriteLine(tCube == typeof(int[, ,])); // True

    }

}

GetElementType does the reverse; it retrieves an array type's element type:


using System;
using System.Reflection;
using System.Collections.Generic;

class MainClass
{
    static void Main()
    {
        Type e = typeof(int[]).GetElementType();  
        //GetArrayRank returns the number of dimensions of a rectangular array:
        int rank = typeof(int[, ,]).GetArrayRank(); // 3
    }
}
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