Esempio n. 1
0
        /// <summary>
        /// Searches disk information by WMI (Win32_DiskDrive, Win32_DiskPartition, Win32_LogicalDisk).
        /// </summary>
        /// <returns>Enumeration of disk information</returns>
        private static IEnumerable <DiskInfo> SearchByDiskDrive()
        {
            using (var searcher = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive"))
            {
                foreach (ManagementObject disk in searcher.Get())     // Casting to ManagementObject is for GetRelated method.
                {
                    if (!(disk["Index"] is uint))                     // Index represents index number of physical drive.
                    {
                        continue;
                    }

                    var info = new DiskInfo();
                    info.PhysicalDrive = (uint)disk["Index"];
                    info.MediaType     = disk["MediaType"] as string;
                    info.Size          = (disk["Size"] is ulong) ? (ulong)disk["Size"] : 0L;

                    var driveLetters = new List <string>();

                    foreach (ManagementObject diskPartition in disk.GetRelated("Win32_DiskPartition")) // Casting to ManagementObject is for GetRelated method.
                    {
                        if (!(diskPartition["DiskIndex"] is uint) ||                                   // DiskIndex represents index number of physical drive.
                            ((uint)diskPartition["DiskIndex"] != info.PhysicalDrive))
                        {
                            continue;
                        }

                        foreach (var logicalDisk in diskPartition.GetRelated("Win32_LogicalDisk"))
                        {
                            var driveLetter = logicalDisk["DeviceID"] as string;                             // Drive letter
                            if (!string.IsNullOrWhiteSpace(driveLetter) &&
                                driveLetter.Trim().EndsWith(':'.ToString(CultureInfo.InvariantCulture)))
                            {
                                driveLetters.Add(driveLetter.Trim());
                            }

                            if ((info.DriveType == 0) && (logicalDisk["DriveType"] is uint))
                            {
                                info.DriveType = (uint)logicalDisk["DriveType"];
                            }
                        }
                    }

                    if (!driveLetters.Any())
                    {
                        continue;
                    }

                    info.DriveLetters = driveLetters.ToArray();

                    yield return(info);
                }
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Search drives by WMI (Win32_DiskDrive, Win32_DiskPartition, Win32_LogicalDisk).
        /// </summary>
        private static void SearchDiskDrive(ref List <DiskInfo> diskGroup)
        {
            var searcher = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive");

            foreach (var drive in searcher.Get())
            {
                if (drive["Index"] == null)                 // Index number of physical drive
                {
                    continue;
                }

                int index;
                if (!int.TryParse(drive["Index"].ToString(), out index))
                {
                    continue;
                }

                var info = new DiskInfo();
                info.PhysicalDrive = index;

                if (drive["MediaType"] != null)
                {
                    info.MediaType = drive["MediaType"].ToString();
                }

                if (drive["Size"] != null)
                {
                    ulong numSize;
                    if (ulong.TryParse(drive["Size"].ToString(), out numSize))
                    {
                        info.Size = numSize;
                    }
                }

                var driveLetters = new List <string>();

                foreach (var diskPartition in ((ManagementObject)drive).GetRelated("Win32_DiskPartition"))
                {
                    if ((diskPartition["DiskIndex"] == null) ||                     // Index number of physical drive
                        (diskPartition["DiskIndex"].ToString() != info.PhysicalDrive.ToString(CultureInfo.InvariantCulture)))
                    {
                        continue;
                    }

                    foreach (var logicalDisk in ((ManagementObject)diskPartition).GetRelated("Win32_LogicalDisk"))
                    {
                        if (logicalDisk["DeviceID"] == null)                         // Drive letter
                        {
                            continue;
                        }

                        var driveLetter = logicalDisk["DeviceID"].ToString().Trim();

                        if (String.IsNullOrEmpty(driveLetter) || !driveLetter.EndsWith(':'.ToString(CultureInfo.InvariantCulture)))
                        {
                            continue;
                        }

                        driveLetters.Add(driveLetter);

                        if (logicalDisk["DriveType"] != null)
                        {
                            uint numType;
                            if (!uint.TryParse(logicalDisk["DriveType"].ToString(), out numType))
                            {
                                continue;
                            }

                            info.DriveType = numType;
                        }
                    }
                }

                if (!driveLetters.Any())
                {
                    continue;
                }

                info.DriveLetters = driveLetters.ToArray();

                diskGroup.Add(info);
            }
        }
		/// <summary>
		/// Read Config file.
		/// </summary>
		/// <remarks>True if completed</remarks>
		internal async Task<bool> ReadAsync(DiskInfo info)
		{
			if (info == null)
				throw new ArgumentNullException("info");

			AssociatedDisk = info;

			var configPath = ComposeConfigPath();
			if (!File.Exists(configPath))
				return false;

			try
			{
				using (var sr = new StreamReader(configPath, Encoding.ASCII))
				{
					Import(await sr.ReadToEndAsync());
					return true;
				}
			}
			catch (Exception ex)
			{
				Debug.WriteLine("Failed to read config file. {0}", ex);
				return false;
			}
		}
        /// <summary>
        /// Search drives by WMI (Win32_DiskDrive, Win32_DiskPartition, Win32_LogicalDisk).
        /// </summary>
        /// <param name="diskGroup">List of disk information</param>
        private static void SearchDiskDrive(ref List<DiskInfo> diskGroup)
        {
            var searcher = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive");

            foreach (var drive in searcher.Get())
            {
                if (drive["Index"] == null) // Index number of physical drive
                    continue;

                int index;
                if (!int.TryParse(drive["Index"].ToString(), out index))
                    continue;

                var info = new DiskInfo();
                info.PhysicalDrive = index;

                if (drive["MediaType"] != null)
                {
                    info.MediaType = drive["MediaType"].ToString();
                }

                if (drive["Size"] != null)
                {
                    ulong numSize;
                    if (ulong.TryParse(drive["Size"].ToString(), out numSize))
                        info.Size = numSize;
                }

                var driveLetters = new List<string>();

                foreach (var diskPartition in ((ManagementObject)drive).GetRelated("Win32_DiskPartition"))
                {
                    if ((diskPartition["DiskIndex"] == null) || // Index number of physical drive
                        (diskPartition["DiskIndex"].ToString() != info.PhysicalDrive.ToString(CultureInfo.InvariantCulture)))
                        continue;

                    foreach (var logicalDisk in ((ManagementObject)diskPartition).GetRelated("Win32_LogicalDisk"))
                    {
                        if (logicalDisk["DeviceID"] == null) // Drive letter
                            continue;

                        var driveLetter = logicalDisk["DeviceID"].ToString().Trim();

                        if (String.IsNullOrEmpty(driveLetter) || !driveLetter.EndsWith(':'.ToString(CultureInfo.InvariantCulture)))
                            continue;

                        driveLetters.Add(driveLetter);

                        if (logicalDisk["DriveType"] != null)
                        {
                            uint numType;
                            if (!uint.TryParse(logicalDisk["DriveType"].ToString(), out numType))
                                continue;

                            info.DriveType = numType;
                        }
                    }
                }

                if (!driveLetters.Any())
                    continue;

                info.DriveLetters = driveLetters.ToArray();

                diskGroup.Add(info);
            }
        }