| Microsoft DirectX 8.1 (C++) | 
The SetState method sets the filter state.
Syntax
HRESULT SetState(
    FILTER_STATE State
    );
Parameters
State
[in] Sets the filter's state, as specified by the FILTER_STATE enumerated type.
Return Value
Returns S_OK if successful or E_INVALIDARG if the State parameter is invalid.
Remarks
Applications should not call this method.
See Also