IWMDRMDeviceApp2::QueryDeviceStatus2
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The QueryDeviceStatus2 method queries a specific device status.
Syntax
HRESULT QueryDeviceStatus2(
IWMDMDevice* pDevice,
DWORD dwFlags,
DWORD* pdwStatus
);
Parameters
pDevice
[in] Pointer to an IWMDMDevice object.
dwFlags
[in] DWORD specifying which device status to query. This value must be one of the following flags.
| Flag | Description |
| WMDRM_QUERY_CLIENT_INDIVSTATUS | Query client individualization status. |
| WMDRM_QUERY_DEVICE_CLOCKSTATUS | Query the clock status of the device. |
| WMDRM_QUERY_DEVICE_ISREVOKED | Query whether the device is revoked. |
| WMDRM_QUERY_DEVICE_ISWMDRM | Query whether the device supports Windows Media DRM 10 for Portable Devices. |
pdwStatus
[out] DWORD containing the requested device status.
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. |
| NS_E_DRM_INVALID_CERTIFICATE | The device certificate retrieved from the device is not valid. |
| NS_E_DRM_UNABLE_TO_GET_DEVICE_CERT | Failed to retrieve the device certificate from the device. |
Remarks
The IWMDRMDeviceApp::QueryDeviceStatus method always queries all of the statuses.
Requirements
Header: Defined in WMDRMDeviceApp.idl.
Library: mssachlp.lib
See Also