Clearing Enum Flags
UPDATE: It looks like I am confusing a lot of people with this article. I wanted to write an article about something else than the title suggests (how flags enum are built) but I did not explain it well and what’s more important I forgot to mention the most important thing: how to simply clear a flag. I apologize for the confusion and here is the simple way of just clearing a flag:
[Flags]
public enum Foos {
A = 1,
B = 2,
C = 4,
D = 8,
AB = A | B,
CD = C | D,
All = AB | CD
}
static class Program {
static void Main() {
Foos value = Foos.AB;
Console.WriteLine(ClearFlag(value,Foos.A);
}
public static Foos ClearFlag(Foos value, Foos flag) {
return value & ~flag;
}
}
… I will try to write the other article some other time :-)
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