枚举

public enum myenum{
    one,
    two,
    three,
    four,
    five,
    six,
    seven,
    eight,
    nine,
    ten
};

 

public static void RunSnippet()
{
    myenum[] mm = {myenum.one,myenum.nine,myenum.five};   
    print(mm);

    myenum m=myenum.one;
    int index = Array.IndexOf(mm,m);
    Console.WriteLine(index); //不存在:-1,存在:0~(长度-1)
}

public static void print(myenum[] mm)
{
    foreach(myenum m in mm)
    {
        Console.WriteLine(m.ToString());
    }
}