IMFByteStreamHandler::CancelObjectCreation Method
Cancels the current request to create a media source.
Syntax
HRESULT CancelObjectCreation(
[in] IUnknown *pIUnknownCancelCookie
);
Parameter
- pIUnknownCancelCookie [in]
Pointer to the IUnknown interface that was returned in the ppIUnknownCancelCookie parameter of the IMFByteStreamHandler::BeginCreateObject method.
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
You can use this method to cancel a previous call to BeginCreateObject. Because that method is asynchronous, however, it might be completed before the operation can be canceled. Therefore, your callback might still be invoked after you call this method.
Anforderungen
Mindestens unterstützter Client |
Windows Vista |
Mindestens unterstützter Server |
Windows Server 2008 |
Header |
Mfidl.h |
Bibliothek |
Mfuuid.lib |