返回值

ULONG
按如下方式定义的位标志集：
位位置 掩码常量 描述
31 (msb) OIAFLAG_ALPHANUM IsAlphanumeric
30 OIAFLAG_APL IsAPL
26 OIAFLAG_UPSHIFT IsUpperShift
25 OIAFLAG_NUMERIC IsNumeric
24 OIAFLAG_CAPSLOCK IsCapsLock
23 OIAFLAG_INSERT IsInsertMode
22 OIAFLAG_COMMERR IsCommErrorReminder
21 OIAFLAG_MSGWAIT IsMessageWaiting
20 OIAFLAG_ENCRYPTED IsConnectionEncrypted
19 - 4 <保留>
3-0 OIAFLAG_INHIBMASK InputInhibited：
  • 0=NotInhibited
  • 1=SystemWait
  • 2=CommCheck
  • 3=ProgCheck
  • 4=MachCheck
  • 5=OtherInhibit