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The IWMDRMDevice interface enables a secure content provider to communicate with devices that use Windows Media DRM 10 for Portable Devices. This interface is implemented by a service provider that supports Windows Media DRM 10 for Portable Devices.
In addition to the methods inherited from IUnknown, the IWMDRMDevice interface exposes the following methods.
| Method | Description |
| CleanDataStore | Starts the process of cleaning the DRM data store on the device. |
| GetDeviceCertificate | Retrieves the device certificate. |
| GetMeterChallenge | Retrieves the metering challenge. |
| GetSecureClock | Retrieves the secure clock. |
| GetSecureClockChallenge | Retrieves the secure clock challenge. |
| GetSyncList | Retrieves the license synchronization list. |
| IsWMDRMDevice | Determines whether the device supports Windows Media DRM 10 for Portable Devices. |
| SetLicenseResponse | Sets the license response. |
| SetMeterResponse | Sets the metering response. |
| SetSecureClockResponse | Sets the secure clock response. |
Note Microsoft recommends that you notify end users if you will be collecting metering data.
See Also