Program:

The source code to demonstrate the use of Format() method of Enum class is given below. The given program is compiled and executed successfully.

using System;

class Sample
{
    enum Color { RED=0,GREEN=1,YELLOW=3,WHITE=4,BLACK=5};

    //Entry point of Program
    static public void Main()
    {
        Color firstColor    = Color.GREEN;
        Color secondColor   = Color.WHITE;

        string strValue = "";

        strValue = Enum.Format(typeof(Color), firstColor, "d");
        Console.WriteLine(strValue);

        strValue = Enum.Format(typeof(Color), secondColor, "x");

        Console.WriteLine(strValue);
    }
}

Output:

1
00000004
Press any key to continue . . .