internal static extern VolumeSystemHandle tsk_vs_open(DiskImageHandle image, long offset, VolumeSystemType type);
 /// <summary>
 /// Opens a new handle to a VolumeSystem of the specified type, at the specified offset.
 /// </summary>
 /// <param name="vstype"></param>
 /// <param name="offset"></param>
 /// <returns></returns>
 internal VolumeSystemHandle OpenVolumeSystemHandle(VolumeSystemType vstype = VolumeSystemType.Autodetect, long offset = 0)
 {
     return(NativeMethods.tsk_vs_open(this, offset, vstype));
 }