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IWMDRMEditor interface

[IWMDRMEditor is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions. Instead, use Microsoft PlayReady. ]

The IWMDRMEditor interface is exposed on the metadata editor object. It can be obtained by calling QueryInterface from IWMMetadataEditor. The IWMDRMEditor interface enables applications to examine the DRM attributes of an ASF file, for example to query the number of times a file is allowed to be played, without having the wmstubdrm.lib static library. The IWMDRMReader interface contains a similar method, but the application must be linked to a valid wmstubdrm.lib library in order to use that interface.


The IWMDRMEditor interface inherits from the IUnknown interface. IWMDRMEditor also has these types of members:


The IWMDRMEditor interface has these methods.


Retrieves the specified DRM property or file attribute.


For information on other interfaces that can be obtained by using the QueryInterface method of this interface, see Metadata Editor Object.


Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

See also

Metadata Editor Object
Viewing Attributes of Protected Files