IAMExtDevice::get_ExternalDeviceID
| Microsoft DirectShow 9.0 |
IAMExtDevice::get_ExternalDeviceID
The get_ExternalDeviceID method retrieves the model number of the external device.
Syntax
HRESULT get_ExternalDeviceID( LPOLESTR *ppszData );
Parameters
ppszData
[out] Pointer to an LPOLESTR that receives the manufacturer-specific identification as a string. The caller must release the string by calling CoTaskMemFree.
Return Values
When this method succeeds, it returns S_OK. Otherwise it returns an HRESULT error code.
DV Implementation
The method returns the device's 64-bit unique identifier, as defined by IEEE 1394. This identifier is guaranteed to be unique, even for two identical device models connected simultaneously to the IEEE 1394 bus.
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also