public static extern MMIOError CreateChunk( IntPtr hmmio, [In, Out, MarshalAs(UnmanagedType.LPStruct)] MMCKINFO lpck, RiffChunkFlags uFlags);
public static extern MMIOError Descend( IntPtr hmmio, [In, Out, MarshalAs(UnmanagedType.LPStruct)] MMCKINFO lpck, [In, Out, MarshalAs(UnmanagedType.LPStruct)] MMCKINFO lpckParent, RiffChunkFlags uFlags);