IDrmPort2 interface is used by a WaveCyclic or WavePci miniport driver to manage DRM-protected content (see Digital Rights Management). The port driver implements this interface and exposes it to the miniport driver. In Windows XP and later, the WaveCyclic and WavePci port drivers support this interface. To determine whether a port driver supports the
IDrmPort2 interface, a miniport driver calls the port (IPortWaveCyclic or IPortWavePci) object's QueryInterface method with REFIID IID_IDrmPort2.
IDrmPort2 inherits from the IDrmPort interface.
In addition to the methods that
IDrmPort2 inherits from the IDrmPort interface,
IDrmPort2 supports the following methods:
For more information about
IDrmPort2, see Content IDs and Content Rights.