public static void Main()
EnumType et = EnumType.Created | EnumType.Completed;
Console.WriteLine(GetMaxSetFlagValue(et));
Console.WriteLine("Hello World");
public enum EnumType : uint{
static readonly uint maxBit = ((uint)0x1 << (sizeof(uint)-1));
public static EnumType GetMaxSetFlagValue(EnumType input){
throw new InvalidOperationException();