## Physical Device Driver Reference

[prev][next][parent][TOC]

### PRT_QUERYCOMMMODE (72h) - Query Parallel Port Communication Mode

Category:
IOCTL_PRINTER (05h)
Function:
PRT_QUERYCOMMMODE (72h)
Description:
Query Parallel Port Communication Mode

Select an item:

    Description
    Parameter Packet Format
    Data Packet Format
    Returns
    Remarks

This function returns the parallel port communication mode.