IMFMediaEvent::GetExtendedType Method
Retrieves the extended type of the event.
Syntax
HRESULT GetExtendedType(
[out] GUID *pguidExtendedType
);
Parameter
- pguidExtendedType [out]
Receives a GUID that identifies the extended type.
Rückgabewert
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Rückgabecode | Beschreibung |
|---|---|
| S_OK | The method succeeded. |
Hinweise
To define a custom event, create a new extended-type GUID and send an MEExtendedType event with that GUID.
Some standard Media Foundation events also use the extended type to differentiate between types of event data.
This interface is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:
- Windows XP mit Service Pack 2 (SP2) und höher.
- Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (Oktober 2006 Updaterollup für Windows XP Media Center Edition) installed.
Anforderungen
Mindestens unterstützter Client |
Windows Vista |
Mindestens unterstützter Server |
Windows Server 2008 |
Header |
Mfobjects.h (include Mfidl.h) |
Bibliothek |
Mfuuid.lib |