Enum SQL_PARAM Path C++ Link System.Data.Odbc.ODBC32.SQL_PARAM, System.Data underlying int32 System.Data Values 4 NameValueHex INPUT10x01INPUT_OUTPUT20x02OUTPUT40x04RETURN_VALUE50x05 // System.Data.Odbc.ODBC32.SQL_PARAM, System.Data enum class SQL_PARAM : int32 { INPUT = 1, INPUT_OUTPUT = 2, OUTPUT = 4, RETURN_VALUE = 5, };