Esempio n. 1
0
        /// <summary>
        /// Get all mount points for a volume.
        /// </summary>
        /// <param name="path">Volume Guid Path.</param>
        /// <returns>An array of strings that represent mount points.</returns>
        /// <remarks></remarks>
        public static string[] GetVolumePaths(string path)
        {
            string[] GetVolumePathsRet = default;
            int      cc   = 1024;
            int      retc = 0;
            var      mm   = new MemPtr();
            bool     r;

            mm.Alloc(cc);

            r = NativeDisk.GetVolumePathNamesForVolumeName(path, mm.Handle, cc, ref retc);
            if (!r)
            {
                return(null);
            }
            if (retc > 1024)
            {
                mm.ReAlloc(retc);
                r = NativeDisk.GetVolumePathNamesForVolumeName(path, mm, retc, ref retc);
            }

            GetVolumePathsRet = mm.GetStringArray(0L);
            mm.Free();
            return(GetVolumePathsRet);
        }
Esempio n. 2
0
        /// <summary>
        /// Retrieves the disk geometry of the specified disk.
        /// </summary>
        /// <param name="hfile">Handle to a valid, open disk.</param>
        /// <param name="geo">Receives the disk geometry information.</param>
        /// <returns></returns>
        /// <remarks></remarks>
        public static bool DiskGeometry(IntPtr hfile, ref DISK_GEOMETRY_EX geo)
        {
            if (hfile == DevProp.INVALID_HANDLE_VALUE)
            {
                return(false);
            }
            MemPtr mm = new MemPtr();
            uint   l  = 0U;
            uint   cb = 0U;

            l = (uint)Marshal.SizeOf <DISK_GEOMETRY_EX>();
            mm.Alloc(l);
            NativeDisk.DeviceIoControl(hfile, NativeDisk.IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, IntPtr.Zero, 0, mm.Handle, l, ref cb, IntPtr.Zero);
            geo = mm.ToStruct <DISK_GEOMETRY_EX>();
            mm.Free();
            return(true);
        }