The DownloadInstrument method downloads DLS instrument data to a port.Syntax复制 HRESULT DownloadInstrument( IDirectMusicInstrument* pInst, DWORD dwPChannel, IDirectMusicDownloadedInstrument** ppDownInst, DMUS_NOTERANGE* pNoteRanges, DWORD dwNumNoteRanges, IDirectMusicPort** ppPort, DWORD* pdwGroup...