Extension Method Performance

Question

            /*I have defined Extension Methods for the TypeX like this*/ 
        public static Int32 GetValueAsInt(this TypeX oValue)
        {
            return I         


        

Answer 1

In the worst case you'll have an extra function call. Seriously, though, I would hope that it ought to be able to inline this code as simple as it is and not have any noticeable effect.