[DllImport("winmm")] public static extern int mmioRename(string szFileName, string SzNewFileName, ref MMIOINFO lpmmioinfo, int dwRenameFlags);
[DllImport("winmm")] public static extern int mmioSetInfo(HANDLE hmmio, ref MMIOINFO lpmmioinfo, int uFlags);
[DllImport("winmm")] public static extern int mmioOpen(string szFileName, ref MMIOINFO lpmmioinfo, int dwOpenFlags);