## Virtual Device Driver Reference for OS/2

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### PRINT_TIMEOUT

The user can set the DOS setting PRINT_TIMEOUT to specify the length of time in seconds that the VLPT will wait between occurrences of INT 17h before flushing its buffer. A setting of 0 (zero) specifies to wait indefinitely, that is, to never flush the buffer using the timeout mechanism. The PRINT_TIMEOUT mechanism flushes the buffer and closes the data stream automatically each time the DOS application stops printing by using INT 17h for the time specified.