The enum type passed as an argument to the HasFlag method call is different from the calling enum type.
The Enum.HasFlag method expects the enum argument to be of the same enum type as the instance on which the method is invoked. If these are different enum types, an unhandled exception will be thrown at run time.
To fix violations, use the same enum type on both the argument and the caller:
public class C
{
[Flags]
public enum MyEnum { A, B, }
[Flags]
public enum OtherEnum { A, }
public void Method(MyEnum m)
{
m.HasFlag(OtherEnum.A); // Enum types are different, this call will cause an `ArgumentException` to be thrown at run time
m.HasFlag(MyEnum.A); // Valid call
}
}
Do not suppress violations from this rule.
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