/// <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);
}
}
}
/// <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);
}
}
