DosQueryThreadContext - Parameters

tid (TID) - input

Thread identity.

level (ULONG) - input

Level of information desired:

CONTEXT_CONTROL (0x00000001)

Control registers: SS:ESP, CS:EIP, EFLAGS and EBP
CONTEXT_INTEGER (0x00000002)
EAX, EBX, ECX, EDX, ESI and EDI
CONTEXT_SEGMENTS (0x00000004)
Segment registers: DS, ES, FS, and GS
CONTEXT_FLOATING_POINT (0x00000008)
Numeric coprocessor state
CONTEXT_FULL
All of the above

pcxt (PCONTEXTRECORD) - in/out

Thread context record.

ulrc (APIRET) - returns

Return Code.

DosQueryThreadContext returns one of the following values:

• NO_ERROR 87
  ERROR_INVALID_PARAMETER
  90
  ERROR_NOT_FROZEN
  115
  ERROR_PROTECTION_VIOLATION
  309
  ERROR_INVALID_THREADID
  For a full list of error codes, see Errors.

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