pParam2 (PMCI_GETDEVCAPS_PARMS)

      A pointer to the MCI_GETDEVCAPS_PARMS data structure. Devices with extended command sets might replace this pointer with a pointer to a device-specific data structure as follows:

      PMCI_AMP_GETDEVCAPS_PARMS

        A pointer to the MCI_AMP_GETDEVCAPS_PARMS structure.
      PMCI_WAVE_GETDEVCAPS_PARMS
        A pointer to the MCI_WAVE_GETDEVCAPS_PARMS structure.

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