KsFilterGetFirstChildPin function (ks.h)
The KsFilterGetFirstChildPin function returns the first instantiated pin of type PinID on the filter specified by Filter.
Syntax
KSDDKAPI PKSPIN KsFilterGetFirstChildPin(
[in] PKSFILTER Filter,
[in] ULONG PinId
);
Parameters
[in] Filter
A pointer to the KSFILTER structure to query for instantiated pins.
[in] PinId
The numeric ID of the pin type for which to find the first instantiated member.
Return value
KsFilterGetFirstChildPin returns a pointer to the first instantiated KSPIN structure of type PinID on the specified filter.
Remarks
Note that the object hierarchy is guaranteed stable only while the appropriate mutex is held, in this case the filter control mutex. For more information, see Mutexes in AVStream.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Microsoft Windows XP and later operating systems and DirectX 8.0 and later DirectX versions. |
| Target Platform | Universal |
| Header | ks.h (include Ks.h) |
| Library | Ks.lib |
| IRQL | PASSIVE_LEVEL |