WSIO_OPEN                   EQU    "O"
WSIO_DISPLAY_ONLY           EQU    "D"
WSIO_DISPLAY_TEXT_ONLY      EQU    "T"
WSIO_DISPLAY_FIELDS_ONLY    EQU    "F"
WSIO_READ_ONLY              EQU    "R"
WSIO_DISPLAY_AND_READ       EQU    "U"
WSIO_SELECT_DESELECT        EQU    "S"
WSIO_KEY_CHECK              EQU    "K"
WSIO_CLOSE                  EQU    "C"

WSIO_STRUCTURE_SIZE         EQU   40
WSIO_FIELD_STRUCTURE_SIZE   EQU   34

WSIO_MOUSE_PRESSED          EQU    "M"