IWMDRMDeviceApp::ProcessMeterResponse

The ProcessMeterResponse method clears the device metering data.

Syntax

HRESULT ProcessMeterResponse(
  IWMDMDevice*  pDevice,
  BYTE*  pbResponse,
  DWORD  cbResponse,
  DWORD*  pdwFlags
);

Parameters

pDevice

[in] Pointer to an IWMDMDevice object.

pbResponse

[in] Response.

cbResponse

[in] Size of the response, in bytes.

pdwFlags

[out] Device status flags. This value must be one of the following flags.

Flag	Description
WMDRM_DEVICE_ISWMDRM	The device supports Windows Media DRM 10 for Portable Devices.
WMDRM_DEVICE_NEEDCLOCK	The device needs a clock.
WMDRM_DEVICE_REVOKED	The device has been revoked.

Return Values

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.
DRM_E_INVALIDARG	One or more arguments are not valid.
Errors from the device	Any of a number of device errors.
Errors from the DRM Client	Any of a number of internal DRM client errors.
NS_E_DEVICE_NOT_WMDRM_DEVICE	The specified device is not a Windows Media DRM–compatible device.

Remarks

For detailed information on using this method, see Best Practices for Using Metering APIs.

Requirements

Header: Defined in WMDRMDeviceApp.idl.

Library: mssachlp.lib

See Also

Ressources supplémentaires