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摘要： //通过值传递参数 public int Cals(int len) { return len * len; } //通过引用参数传递 public void refCals(ref int width) { width *= width; } //输出参数 public void outCals(int a, out int b) { b = a * a; } 阅读全文

摘要： public enum TimeOfDay { Morning = 0, Afternoon = 1, Evening } public static int Main() { //调用方法 WriteGreeting(TimeOfDay.Morning); //获取枚举字符串 TimeOfDay time = TimeOfDay.Afternoon; Console.WriteLine(time.ToString()); //获取枚举字符串的值 TimeOfDay time2 = (TimeOfDay) Enum.Parse(typeof(TimeOfDay), "Evening", true); Console.WriteLine((int)time2) 阅读全文