SqlParameterCollection.CopyTo errors out on null

[tshad]

I have a Stored procedure that returns parameters of a given stored procedure.

I then want to pass back an SqlParameter[] but in my procedure I defined the array as:

SqlParameter[] parameters = null.

This causes the CopyTo method to give me an error:

        public static SqlParameter[] GetProcedureParameters(string procedureName)
        {
            SqlConnection myConnection = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["connection"].ConnectionString);
            SqlCommand myCommand = new SqlCommand();
            myCommand.Connection = myConnection;
            myCommand.CommandText = procedureName;
            myCommand.CommandType = CommandType.StoredProcedure;
            SqlParameter[] parameters = null;

            myConnection.Open();
            SqlCommandBuilder.DeriveParameters(myCommand);
            myConnection.Close();
            myCommand.Parameters.CopyTo(parameters, 0);
            return parameters;
        }

I get the error:

Value cannot be null.
Parameter name: dest

myCommand has 3 parameters but it can't copy them to parameters object.

How do I get around this?

Thanks,

Tom