IMFAsyncCallback::Invoke Method
Called when an asynchronous operation is completed.
Syntax
HRESULT Invoke(
[in] IMFAsyncResult *pAsyncResult
);
Parameter
- pAsyncResult [in]
Pointer to the IMFAsyncResult interface. Pass this pointer to the asynchronous End... method to complete the asynchronous call.
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
Within your implementation of Invoke, call the corresponding End... method.
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 |