CEnumPins::QueryInterface (Windows CE 5.0)
Retrieves a pointer to a specified interface on a component to which a client currently holds an interface pointer. This method must call IUnknown::AddRef on the pointer it returns.
HRESULTQueryInterface(REFIIDiid,void** ppvObject);
Parameters
iid
Specifies the IID of the interface being requested.ppvObject
Receives a pointer to an interface pointer to the object on return.If the interface specified in iid is not supported by the object, ppvObject is set to NULL.
Return Values
Returns S_OK if the interface is supported, S_FALSE if not.
Remarks
This member function implements the IUnknown::QueryInterface method and passes out references to the IEnumPins interface.
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements.
For more information, see Setting Up the Build Environment.
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header:
Send Feedback on this topic to the authors