>>>>Hi,
>>>>
>>>>Before I do the IF/ELSE, or SWITCH, I am wondering if I could macro expand in C#. Here is an example. I am passing a value of ParameterDirection as a string (e.g. 'Input', 'InputOutput', 'Output') I need to set ParameterDirection based on the passed value.
>>>>
>>>>Here is the pseudo code:
>>>>
>>>>

>>>>string cDirection = 'Input';
>>>>param.Direction = ParameterDirection. + 'cDirection';
>>>>

>>>>
>>>>I am pretty sure that the above syntax will not work.
>>>
>>>It won't :-}
>>>
>>> But is there way to make it work?
>>>
>>>In general, no. But for enums you can use this:

string cDirection = "Input";
>>>param.Direction= (ParameterDirection) Enum.Parse(typeof(ParameterDirection),  cDirection);

>>
>>Thank you. I will try this approach.
>
>Using the enum directly is shorter
>
>

>param.Direction = ParameterDirection.Input;
>

Of course, but I'm assuming Dmitry had reasons for using a string.
Dimitry: If the enum value could not be used then an int might be a better choice - but whether a string or an int it would be wise to check that it is a valid value. eg:

           int direction = 1;
            if (Enum.IsDefined(typeof(ParameterDirection), (ParameterDirection)direction))
                param.Direction = (ParameterDirection)1;
            else
                throw (new InvalidCastException("Invalid ParameterDirection"));