IPin::ConnectedTo
A version of this page is also available for
4/8/2010
If this pin is connected to another pin, this method returns a pointer to that pin.
Syntax
HRESULT ConnectedTo(
IPin** ppPin
);
Parameters
- ppPin
[out] Pointer to an IPin pointer to the IPin interface of the other pin (if any) to which this pin is connected. If there is no connection, the other pin interface pointer will be NULL.
Return Value
Returns an HRESULT value that depends on the implementation.
HRESULT can be one of the following standard constants, or other values not listed.
| Value | Description |
|---|---|
E_FAIL |
Failure. |
E_POINTER |
Null pointer argument. |
E_INVALIDARG |
Invalid argument. |
E_NOTIMPL |
Method is not supported. |
S_OK or NOERROR |
Success. |
Remarks
This method is implemented in the base classes by CBasePin::ConnectedTo. The interface returned by this method has had its reference count incremented.
Be sure to use IUnknown::Release on the interface to decrement the reference count when you finish using the interface.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |