CMediaSample::QueryInterface (Windows Embedded CE 6.0)
1/6/2010
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.
Syntax
HRESULT QueryInterface(
REFIID iid,
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 Value
Returns S_OK if the interface is supported, S_FALSE if not.
Remarks
This member function implements the IUnknown::QueryInterface method.
Requirements
| Windows Embedded CE | Windows CE 2.12 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 |