public class Program { static void Main(string[] args) { int state1 = (int)EnumApplyVehicleState.Approving; int state2 = ApplyVehicleState.Approving; } } public enum EnumApplyVehicleState { Approving=1, Dispatching=2, Returning=3 } public class ApplyVehicleState { public static int Approving { get; } = 1; public static int Dispatching { get; } = 2; public static int Returning { get; } = 3; }