internal int GetNumber()
{
int bytesWritten;
IntPtr hDisk = GetHandle();
IntPtr buf = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Interop.STORAGE_DEVICE_NUMBER)));
Interop.STORAGE_DEVICE_NUMBER devNum = new Interop.STORAGE_DEVICE_NUMBER();
try
{
if (!Interop.DeviceIoControl(
hDisk,
Interop.IOCTL_STORAGE_GET_DEVICE_NUMBER,
IntPtr.Zero,
0,
buf,
Marshal.SizeOf(typeof(Interop.STORAGE_DEVICE_NUMBER)),
out bytesWritten,
IntPtr.Zero))
{
throw new DriverException("DeviceIoControl() failed.");
}
Marshal.PtrToStructure(buf, devNum);
}
catch (ArgumentException)
{
throw new DriverException("Marshaling failed.");
}
finally
{
Marshal.FreeHGlobal(buf);
Interop.CloseHandle(hDisk);
}
return devNum.DeviceNumber;
}
internal string GetName()
{
int diskNumber = GetNumber();
ManagementObjectSearcher objectSearcher = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive");
ManagementObjectCollection objectCollection = objectSearcher.Get();
foreach (ManagementObject managementObject in objectCollection)
{
object name = managementObject.Properties["Name"].Value;
if (name == null)
continue;
object model = managementObject.Properties["Model"].Value;
if (model == null)
continue;
IntPtr hDisk = Interop.CreateFile(
name.ToString(),
Interop.GENERIC_READ | Interop.GENERIC_WRITE,
Interop.FILE_SHARE_READ | Interop.FILE_SHARE_WRITE,
IntPtr.Zero,
Interop.OPEN_EXISTING,
0,
IntPtr.Zero
);
if (hDisk == (IntPtr)Interop.INVALID_HANDLE_VALUE)
continue;
int bytesWritten;
IntPtr buf = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Interop.STORAGE_DEVICE_NUMBER)));
Interop.STORAGE_DEVICE_NUMBER devNum = new Interop.STORAGE_DEVICE_NUMBER();
try
{
if (!Interop.DeviceIoControl(
hDisk,
Interop.IOCTL_STORAGE_GET_DEVICE_NUMBER,
IntPtr.Zero,
0,
buf,
Marshal.SizeOf(typeof(Interop.STORAGE_DEVICE_NUMBER)),
out bytesWritten,
IntPtr.Zero))
{
Marshal.FreeHGlobal(buf);
Interop.CloseHandle(hDisk);
continue;
}
Marshal.PtrToStructure(buf, devNum);
}
catch (ArgumentException)
{
continue;
}
finally
{
Marshal.FreeHGlobal(buf);
Interop.CloseHandle(hDisk);
}
if (devNum.DeviceNumber == diskNumber)
return "Disk " + (diskNumber + 1).ToString() + " - " + model.ToString();
}
return _path;
}