|Microsoft DirectX 9.0|
The GetCaps method retrieves the port's capabilities.
HRESULT GetCaps( LPDMUS_PORTCAPS pPortCaps );
Address of a DMUS_PORTCAPS structure that receives the capabilities of the port. The dwSize member of this structure must be properly initialized before the method is called.
If the method succeeds, the return value is S_OK.
If it fails, the method can return one of the error values shown in the following table.
Header: Declared in dmusicc.h.