DosStartTimer - Parameters

msec (ULONG) - input

The time, in milliseconds, that will elapse between postings of the event semaphore specified by hsem.

The system rounds this value up to the next clock tick.

hsem (HSEM) - input

The handle of the event semaphore that is posted each time msec elapses.

This semaphore must be a shared event semaphore. It should be reset between postings by calling DosResetEventSem.

phtimer (PHTIMER) - output

A pointer to the timer handle.

This handle can be passed to DosStopTimer to stop the repeated-interval timer.

ulrc (APIRET) - returns

Return Code.

DosStartTimer returns one of the following values:

• NO_ERROR 323
  ERROR_TS_SEMHANDLE
  324
  ERROR_TS_NOTIMER
  For a full list of error codes, see Errors.

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