public static T Toggle <T>(this System.Enum type, T value)
{
try
{
if (type.Has(value))
{
return(type.Add(value));
}
else
{
return(type.Remove(value));
}
}
catch (Exception ex)
{
throw new ArgumentException(
string.Format(
"Could not toggle value from enumerated type '{0}'.",
typeof(T).Name
), ex);
}
}