IPin::QueryInternalConnections (Windows CE 5.0)
This method provides an array of pointers to the IPin interface of the pins to which this pin internally connects.
HRESULT QueryInternalConnections(IPin** apPin,ULONG* nPin);
Parameters
- apPin
[out] Array of IPin pointers. - nPin
[out] Upon input, indicates the number of array elements; upon output, indicates the number of pins.
Return Values
Returns one of the following HRESULT values.
| Value | Description |
|---|---|
| E_FAIL | Undetermined. |
| S_FALSE | Insufficient number of array elements to return all the results, in which case no pins are returned in the apPin array. |
| E_NOTIMPL | Filter graph manager interprets E_NOTIMPL as meaning that any input pin connects to all visible output pins, and vice versa. |
Remarks
All pins put in the array are added by the IUnknown::AddRef method.
The apPin parameter can be NULL if the nPin parameter equals zero. This allows the calling application to determine the number of required arrays.
This method is implemented in the base classes by CBasePin::QueryInternalConnections.
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements.
For more information, see Setting Up the Build Environment.
Pocket PC: Windows Mobile 5.0 and later
Smartphone: Windows Mobile 5.0 and later
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
See Also
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