Use enum data as flags : Enum : Data Type C# Examples

Use enum data as flags

    
using  System;
using  System.Collections.Generic;
using  System.Reflection;
using  System.Runtime.InteropServices;

[Flags]
enum  FileAccess
{
        Read  =  1,
        Write  =  2,
        ReadWrite  =  3
}


public  class  MainClass
{
      public  static  void  Main(){
                FileAccess  rw1  =  FileAccess.Read  |  FileAccess.Write;
                Console.WriteLine("rw1  ==  {0}",  rw1);
                FileAccess  rw2  =  FileAccess.ReadWrite;
                Console.WriteLine("rw2  ==  {0}",  rw2);

                Console.WriteLine("rw1  ==  rw2?  {0}",  rw1  ==  rw2);

                if  (rw1  ==  FileAccess.Read)
                        Console.WriteLine("try  #1:  read  permitted");
                else
                        Console.WriteLine("try  #1:  read  denied");

                if  ((rw2  &  FileAccess.Read)  !=  0)
                        Console.WriteLine("try  #2:  read  permitted");
                else
                        Console.WriteLine("try  #2:  read  denied");
      }
}
    
   
  
   

rw1 == ReadWrite
rw2 == ReadWrite
rw1 == rw2? True
try #1: read denied
try #2: read permitted

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