IMFAsyncCallback Interface
Callback interface to notify the application when an asynchronous method completes.
Mitglieder
IMFAsyncCallbackSchnittstelle erbt von der IUnknown-Schnittstelle. IMFAsyncCallback umfasst auch die folgenden Typen von Mitgliedern:
- Methoden
Methoden
IMFAsyncCallbackSchnittstelle umfasst die folgenden Methoden.
| Methode | Beschreibung |
|---|---|
| GetParameters | Provides configuration information to the dispatching thread for a callback |
| Invoke | Called when an asynchronous operation is completed. |
Hinweise
For more information about asynchronous methods in Microsoft Media Foundation, see Asynchronous Callback Methods.
This interface is also used to perform a work item in a Media Foundation work-queue. For more information, see Work Queues.
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 |