IMDSPDevice::GetType method (mswmdm.h)

The GetType method retrieves device type information.

Syntax

HRESULT GetType(
  [out] DWORD *pdwType
);

Parameters

[out] pdwType

Pointer to a DWORD that receives the type attributes of the device. The following table shows the types received.

Device type Description
WMDM_DEVICE_TYPE_PLAYBACK The media device supports audio playback.
WMDM_DEVICE_TYPE_RECORD The media device supports audio recording.
WMDM_DEVICE_TYPE_DECODE The media device supports audio format decoding.
WMDM_DEVICE_TYPE_ENCODE The media device supports audio format encoding.
WMDM_DEVICE_TYPE_STORAGE The media device has on-board storage for media files.
WMDM_DEVICE_TYPE_SDMI The media device is SDMI compliant.
WMDM_DEVICE_TYPE_NONSDMI The media device is not SDMI compliant.
WMDM_DEVICE_TYPE_VIRTUAL The media device is not a physical device.
WMDM_DEVICE_TYPE_NONREENTRANT The media device must synchronize access to the service provider services.
WMDM_DEVICE_TYPE_FILELISTRESYNC The media device allows the file list to be resynchronized.
WMDM_DEVICE_TYPE_VIEW_PREF_METADATAVIEW The media device prefers metadata views while its storages are enumerated.

Return value

The method returns an HRESULT. All the interface methods in Windows Media Device Manager can return any of the following classes of error codes:

  • Standard COM error codes
  • Windows error codes converted to HRESULT values
  • Windows Media Device Manager error codes
For an extensive list of possible error codes, see Error Codes.

Remarks

This method must be implemented. It must not return WMDM_E_NOTSUPPORTED or E_NOTIMPL. For more information, see Mandatory and Optional Interfaces.

Requirements

   
Target Platform Windows
Header mswmdm.h
Library Mssachlp.lib

See also

IMDSPDevice Interface

IMDSPDevice::GetName