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How do I enumerate an enum in C#? 26 answers
public enum Foos { A, B, C } Is there a way to loop through the possible values of Foos?
Basically?
foreach(Foo in Foos) 08 Answers
Yes you can use the GetValues method:
var values = Enum.GetValues(typeof(Foos)); Or the typed version:
var values = Enum.GetValues(typeof(Foos)).Cast<Foos>(); I long ago added a helper function to my private library for just such an occasion:
public static class EnumUtil { public static IEnumerable<T> GetValues<T>() { return Enum.GetValues(typeof(T)).Cast<T>(); } } Usage:
var values = EnumUtil.GetValues<Foos>(); 15foreach(Foos foo in Enum.GetValues(typeof(Foos))) 5foreach (EMyEnum val in Enum.GetValues(typeof(EMyEnum))) { Console.WriteLine(val); } 0foreach (Foos foo in Enum.GetValues(typeof(Foos))) { ... } 1UPDATED
Some time on, I see a comment that brings me back to my old answer, and I think I'd do it differently now. These days I'd write:
private static IEnumerable<T> GetEnumValues<T>() { // Can't use type constraints on value types, so have to do check like this if (typeof(T).BaseType != typeof(Enum)) { throw new ArgumentException("T must be of type System.Enum"); } return Enum.GetValues(typeof(T)).Cast<T>(); } 5static void Main(string[] args) { foreach (int value in Enum.GetValues(typeof(DaysOfWeek))) { Console.WriteLine(((DaysOfWeek)value).ToString()); } foreach (string value in Enum.GetNames(typeof(DaysOfWeek))) { Console.WriteLine(value); } Console.ReadLine(); } public enum DaysOfWeek { monday, tuesday, wednesday } 0 Enum.GetValues(typeof(Foos)) Yes. Use GetValues() method in System.Enum class.