IPin::EnumMediaTypes
| Microsoft DirectShow 9.0 |
IPin::EnumMediaTypes
The EnumMediaTypes method enumerates the pin's preferred media types.
Syntax
HRESULT EnumMediaTypes( IEnumMediaTypes **ppEnum );
Parameters
ppEnum
[out] Receives a pointer to the IEnumMediaTypes interface. The caller must release the interface.
Return Value
Returns an HRESULT value. Possible values include the following.
| Value | Description |
| S_OK | Success. |
| E_OUTOFMEMORY | Insufficient memory. |
| E_POINTER | NULL pointer argument. |
Remarks
The IEnumMediaTypes interface works like a standard COM enumerator. For more information, see Enumerating Objects in a Filter Graph. If the method succeeds, the IEnumMediaTypes interface has an outstanding reference count. Be sure to release it when you are done.
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also