CMediaSample::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.
HRESULT QueryInterface(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.
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.
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