Using a OR'ed Enum in a custom UITypeEditor

Question

I have a property on a custom control I have written that is an Flag based Enum. I created my own custom control to edit it in a way that makes logical sense and called it from

Answer 1

Using the Flags attribute on the enum will prevent the error from happening. This is a mystery to me as storing an ORed enum without the flag is valid and can be done in the code (With a proper cast).