IMDSPDeviceControl::GetCapabilities method (mswmdm.h)

The GetCapabilities method retrieves the capabilities mask for the device with which this control interface is associated. The capabilities describe the methods of the device control that are supported by the media device.

Syntax

HRESULT GetCapabilities(
  [out] DWORD *pdwCapabilitiesMask
);

Parameters

[out] pdwCapabilitiesMask

Pointer to a DWORD containing the capabilities of the device. The following flags can be returned in this variable.

Flag	Description
MDM_DEVICECAP_CANPLAY	The media device can play MP3 audio.
MDM_DEVICECAP_CANSTREAMPLAY	The media device can play streaming audio directly from the host computer.
MDM_DEVICECAP_CANRECORD	The media device can record audio.
MDM_DEVICECAP_CANSTREAMRECORD	The media device can record streaming audio directly to the host computer.
MDM_DEVICECAP_CANPAUSE	The media device can pause during play or record operations.
MDM_DEVICECAP_CANRESUME	The media device can resume an operation from a pause command.
MDM_DEVICECAP_CANSTOP	The media device can stop playing before the end of a file.
MDM_DEVICECAP_CANSEEK	The media device can seek to a position other than the beginning of a file.

Return value

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.
E_INVALIDARG	The pdwCapabilitiesMask parameter is an invalid or NULL pointer.
E_FAIL	An unspecified error occurred.

Requirements

Requirement	Value
Target Platform	Windows
Header	mswmdm.h
Library	Mssachlp.lib

See also

IMDSPDeviceControl Interface