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IT CSharp Keyword enum
Codex edited this page Oct 11, 2026
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2 revisions
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Dichiarare valori interi con nome. I flag descrivono bit indipendenti, ma non controllano automaticamente se i valori sono validi.
Salvare questo esempio separatamente come Example.cs. Eseguirlo indipendentemente dagli altri esempi di questa pagina.
Example.cs:
// PROJECT-EXAMPLE
State state = State.Ready;
System.Console.WriteLine(state);
enum State { Idle, Ready }Risultato:
Ready
enum State { Idle, Active }using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
public static class Program
{
public static async Task Main(string[] args)
{
State state = State.Active;
Console.WriteLine($"{state}:{(int)state}");
}
}
public enum State : byte { Idle = 0, Active = 1 }using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
public static class Program
{
public static async Task Main(string[] args)
{
Options options = Options.Read | Options.Write;
Console.WriteLine(options.HasFlag(Options.Read));
}
}
[Flags] public enum Options { None = 0, Read = 1, Write = 2 }Fonte ufficiale: Microsoft Impara.
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