EFD_NUL             No special features

             EFD_HVIR            Horizontally virtual

             EFD_VVIR            Vertically virtual

             EFD_LWR             Convert to lowercase

             EFD_UPR             Convert to uppercase

             EFD_MIX             Convert to mixed case

             EFD_PAS             Password field

             EFD_DEC             Decimal field

             EFD_CUR             Currency field

             EFD_LJS             Left-justify

             EFD_RJS             Right-justify

             EFD_CNT             Center

             EFD_TRM             Trim spaces