How to enumerate an enum?

Steilla Mitchel 1105 12 Jul 2023

Ask by Steilla Mitchel

Updated 13 Jul 2023

1 Answers

Aryan Kumar 13 Jul 2023

There are two ways to enumerate an enum in C#:

Using a foreach loop:

using System;

public enum Colors
{
    Red,
    Green,
    Blue
}

public class EnumerateEnum
{
    public static void Main(string[] args)
    {
        // Enumerate the enum using a foreach loop.
        foreach (Colors color in Colors)
        {
            Console.WriteLine("The color is {0}.", color);
        }
    }
}

This code first creates an enum called Colors. The Colors enum has three values: Red, Green, and Blue.

The code then uses a foreach loop to enumerate the Colors enum. The foreach loop will iterate through each value of the Colors enum and print the value to the console.

Using the Enum.GetValues() method:

using System;

public enum Colors
{
    Red,
    Green,
    Blue
}

public class EnumerateEnum
{
    public static void Main(string[] args)
    {
        // Enumerate the enum using the Enum.GetValues() method.
        object[] colors = Enum.GetValues(typeof(Colors));

        // Iterate through the colors array and print each value to the console.
        for (int i = 0; i < colors.Length; i++)
        {
            Colors color = (Colors)colors[i];
            Console.WriteLine("The color is {0}.", color);
        }
    }
}

This code first creates an enum called Colors. The Colors enum has three values: Red, Green, and Blue.

The code then uses the Enum.GetValues() method to get an array of all the values of the Colors enum. The Enum.GetValues() method takes the type of the enum as a parameter.

The code then iterates through the array of values and prints each value to the console.

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