c# - Bitwise Logic knowing what was enabled from the server -

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I'm following some quick codes to help with my logic on bitwise code (my first time doing this Actually I have 3 properties, each of which is 1,2,4 

  int A = 1 int b = 2 int c = 4   
 Say that A and C are checked, this will be equal to 5 and this value will be saved in the database. good.  
 Now the way I was tested with that value, there is a need to work on that path.  
 In the example, the value is 5, then how will I know with some logic qualities were examined?  
 That's why I'm not saying to work with you, what am I doing,  
  int i = A & amp; C; // If I == 5, then we knew that this A and C was examined   
 but do you need to do this for every possibility?  
 Thank you in advance   
 
 
 You can test these situations:    i & amp; a! = 0 / true if A is set in i i & amp; B! = 0 / true if B is set in I =   
 After saying this, bitfields are inappropriate in many situations, especially when you store the resulting value in a database, usually only Some flags are better defined by more columns.

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