How Can I Iterate Through Enum Values in C#?

Iterating over enumeration values ​​in C#

Declaring an enumeration in C# allows you to define a set of named constants. Iterating over these values ​​can be useful in a variety of situations.

To iterate over enumeration values, you can utilize the Enum.GetValues method. Consider the following Foos enumeration:

public enum Foos
{
    A,
    B,
    C
}

Using Enum.GetValues you can retrieve an array of enumeration values ​​like this:

var values = Enum.GetValues(typeof(Foos));

Alternatively, for the typed version, you can use:

var values = Enum.GetValues(typeof(Foos)).Cast<Foos>();

To simplify this process, you can implement a helper function, for example:

public static class EnumUtil
{
    public static IEnumerable<T> GetValues<T>()
    {
        return Enum.GetValues(typeof(T)).Cast<T>();
    }
}

Using this helper function, you can iterate over enumeration values ​​using:

var values = EnumUtil.GetValues<Foos>();

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