Using Bit flags when declaring the enum : Enum base type : Data Type C# Examples

    
using  System;

[Flags]
enum  Color  :  uint
{
      Red  =  0x01,  //  Bit  0
      Blue  =  0x02,  //  Bit  1
      Yellow  =  0x04,  //  Bit  2
      Green  =  0x08  //  Bit  3
}

class  MainClass
{
      static  void  Main()
      {
            Color  ops  =  Color.Red  |  Color.Yellow  |  Color.Green;
            
            bool  UseRed  =  false,  UseBlue      =  false,  UseYellow    =  false,  UseGreen  =  false;

            UseRed  =  (ops  &  Color.Red)  ==  Color.Red;
            UseBlue        =  (ops  &  Color.Blue)  ==  Color.Blue;
            UseYellow    =  (ops  &  Color.Yellow)  ==  Color.Yellow;
            UseGreen    =  (ops  &  Color.Green)  ==  Color.Green;

            Console.WriteLine("Option  settings:");
            Console.WriteLine("      Use  Red        -  {0}",  UseRed);
            Console.WriteLine("      Use  Blue      -  {0}",  UseBlue);
            Console.WriteLine("      Use  Yellow  -  {0}",  UseYellow);
            Console.WriteLine("      Use  Green    -  {0}",  UseGreen);
      }
}