public static extern int mmioSetInfo(IntPtr hmmio, ref MMIOINFO lpmmioinfo, int uFlags);
public static extern int mmioOpen(string szFileName, ref MMIOINFO lpmmioinfo, int dwOpenFlags);
public static extern int mmioRename(string szFileName, string SzNewFileName, ref MMIOINFO lpmmioinfo, int dwRenameFlags);
public static extern int mmioAdvance(IntPtr hmmio, ref MMIOINFO lpmmioinfo, int uFlags);