IWMDeviceManager::GetRevision

The GetRevision method retrieves the revision number of the media device manager. This is not the revision number of any media device supported by the media device manager.

Syntax

HRESULT GetRevision(
  DWORD*  pdwRevision
);

Parameters

pdwRevision

[out] Pointer to a double word containing the Windows Media Device Manager revision number.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.

Return code	Description
E_INVALIDARG	The pdwRevision parameter is an invalid or NULL pointer.
E_FAIL	An unspecified error occurred.

Remarks

The revision number is returned in hexadecimal format 0xMMLLmmll, where MMLL is the major revision number expressed in the high-order bytes of the return value, and mmll is the minor revision number expressed in the low-order bytes of the return value.

See Also

IWMDeviceManager Interface

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