## MMPM/2 Device Driver Reference

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### MCI_AUDIO_STATUS Field - ulOperation

ulOperation (ULONG) Specifies the desired operation. The defined values for this field are:

    STOPPED               0x80000000

    PLAYING               0x80000001

    RECORDING             0x80000002

    PLAYING_AND_RECORDING 0x80000003

    UNINITIALIZED         0xFFFFFFFF

Notice that the value associated with the current operation is returned in the ulOperation field.