List Deleted Files And Their Names From NTFS Drive
Mar 22, 2010
I'm trying to make a small app that reads MFT from a NTFS drive and lists deleted files and their names. The code is not ordered since its not finished yet. I made it basing on information a read at ntfs.com and some other examples found on the net. But the problem itself is the following. I have hard disk with to NTFS partitions, the main one having 250 GB and the second one having 1,5 GB. If I execute my code on the smaller drive, (using D as parameter for readfile api), I get the list of all deleted files exactly (I checked it with a recovery file app).
The problem is when I execute it on the other drive (C where Windows is installed, 7 if it matters), the problem is that I cant find any deleted file!!. The code gets all the files from MFT and then saves in a string variable only the deleted ones, I found that after deleting one file, it also disappears from the MFT (at least using my code). So, there may be some other way in which NTFS marks deleted files? As you see in my code, I iterate through the MFT entries and, from those that start with FILE, I take bytes 22 and 23 (0 base) and evaluate, if its value is 0 then its deleted, otherwise, it isn't (its a file or directory I think).
Public Structure SECURITY_ATTRIBUTES
Dim nLength As Integer
Dim lpSecurityDescriptor As Integer
Dim bInheritHandle As Boolean
End Structure
[Code] .....
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Feb 17, 2012
I have the code given below for reading and displaying all the drives on a computer.However,it does not read the NTFS mounted volume..I need the program just to read the mounted drive,
Module Module1
Sub Main()
For Each drive As String In System.Environment.GetLogicalDrives()
[Code].....
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Aug 17, 2010
i have this right now:
ListBox1.Items.Clear()
Dim di As New IO.DirectoryInfo(TextBox1.Text)
Dim aryFi As IO.FileInfo() = di.GetFiles("*.*")[code]......
and that displays only the file name, like text.txt but i want it to display C:/Text.txt and all the files in the subfolders too, like C:/Program Files/Test2.txt but i just get test.txt from only the c:/ .
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Feb 26, 2011
How would I list all files inside a drive?
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Jun 12, 2009
How can I list all files on my C: drive?This is what I've tried:
ListBox1.Items.AddRange(Directory.GetFiles("D:", "*.*", SearchOption.AllDirectories))
But it gives this error:
Quote:
No access to the path D:System Volume Information.The error was translated from Norwegian, so might not be completely correct.
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Jan 2, 2012
I would like to list all files of a partition such as "C: " and put them on a listbox , I tried but it didn't work ... i said that maybe it was because of the privileges , here's a snapshot containing the code, the form and the error: [URL]
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Jan 2, 2012
I code in vb.net and I would like to list all files in a partition such as "C: ", here's a snapshot containing the code, the form and the error:
[URL]
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Jul 3, 2007
Basically, we have an application which batch creates a large amount of files (pairs of PNG plus ASCII). The file count can exceed the one million.The first time the application ran the results were quite disappointing. The files get stored in folder structures of maximum 2000 files per folder. The tree depth gets only to two levels (root + packs folders). So the results would be stored in folders like "pack1","pack2"..."packn" each containing no more than 2000 files (1000 pairs in essence).
So getting back to the results, what happened was that although the application reported over 1.4 million files written, the results were that files were missing from the filesystem and others were corrupt (PNG cant be read and ASCII were blank filled with spaces).The speed that the files were written was not anything great (about 7 files per sec) and the total size ranged from 160K to 1.5M (rarely). The PNG images are 2000x2000 in size although I doubt it has anything to do with my problem.
Everything is done in pure .NET (image and ascii generation).The OS that has been tried was Win 2000 Advanced Server, Win 2003 Server plus XP Pro. The hardware ranged from Dual Core Workstation to high spec servers. The irony is that on the XP system the number of corrupt files was quite low where on the other two all hell broke loose. There were event logs written stating Event ID 2021 on the Win 2000 system and Paging faults on XP, which lead me to the next approach.
We wrapped the code to do an Application.DoEvents every second and refresh various statistic UI components. We obviously added Stream.Flush().Plus we added code to check the files (re-read them) once they are written. Even added "WriteThrough" option to avoid the OS cache! The result was stuggering as no errors were report yet the NTFS table again got corrupted!Now we inserted Thread.Sleep(100) after writing and then reading to confirm the file. Obviously this is slowing down the process but hope to have more stable results.
Reading and article about Event ID 2021 we saw it was suggesting to modify registry values, but the IT dep did not wish to accept this as they believe it is an application error.In pseudo code, here is more or less what is done:
<try>
<Create Image in memory>
<Open stream to filesystem>
[code]....
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Dec 18, 2010
The drive is connected via USB and the problem I'm having is that, periodically, while my code is executing, the usb drive seems to disconnect and reconnect. (Nothing to do with the program, but the drive itself).I want to find a way to prevent these temporary drive reconnects from interrupting my code. IE, i want to insure that whatever read or write that is requested is actually executed even in the case of a temporary drive interruption.
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Feb 20, 2010
I found sume code in VB6- but converted it to VB.NET 2010. The program puts all of your drives into a listbox but its only the letter name, how can i get the drive name too? Here is my
[Code]...
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Mar 12, 2011
I am using the following code to get a list of the letters for each drive on my computer. I want to get the drive letter of CD Drive from this list. The code I am using to get list is as below:
[Code]...
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Jul 3, 2009
I had to reinstall visual basic express edition 2008 on my pc.I deleted the old files from c dirve.I tried to install it from the ISO downloaded from the microsofts website but after i specify the drive (drive F) to install it on after about 2-3 minutes it says it failed to install it. [code] Does it have to be installed to drive c or something or is maybe the iso damaged? I just transferred it onto this pc and mounted the iso image using a program MagicIso which i used last time to install it.
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Jul 30, 2011
I have an app where a user enters information on a ticket and that ticket is saved off to a file on a share.Later on, when the ticket is closed or resolved, the file is deleted.Pretty straightforward.The below code is used to achieve this but, and this is the odd part, I'm finding that sometimes the app does not write the file and other times it will not delete it.I've confirmed that the user is running the latest version, that the tool isn't in off line mode, that all the appropriate criteria are set to true before entering the routines. It works 99% of the time but every so often it doesn't create/delete the file and there are no errors thrown or anything.Going into this section of code, chkOffline is not checked, "GoNoGo" is set to "Go", "Type" is set to "Live" and all fields have been filled out on the form(and vetted).What's more, there are other actions earlier in the app/sub that rely on these same conditions and those actions are getting carried out.[code]
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Feb 23, 2009
I want to create an application that will save the files being deleted from a flash drive into a part of the flash drive that acts as recycle bin. I want to capture the deletion event of windows so that I can copy the files marked as deleted. Is there a library that would notify my application if the delete event is being executed? If using FileSystemWatcher component, I cannot get the files being deleted because it will only notify after the file is deleted.
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Jan 12, 2011
I am having a problem with Windows 7, where I delete an xml-file in the programData folder using Windows Explorer(C: ProgramData Documentsdata. xml).The file is removed in windows explorer, but when running my program, the file is still found, and read.I tried to restart the pc, but the file is still found by my program.I recently moved to Windows 7 from Vista, and everything worked fine on Vista.[code]
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Apr 7, 2009
so I know how to protect my data know. But how can I create a file that only I can open/delete/move?
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Jul 30, 2011
Is there a way in vb.net to undelete a file (deleted from Recycle Bin) or should i turn to unmanaged code? Write your code as efficient as you can to reduce CPU load, to consume less energy and protect our planet from global warming.
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Apr 1, 2010
I deleted the images that I thought I will not need but the program would not run. Error 1 Invalid Resx file. Could not find a part of the path 'E:Code6 04-01-2010 evening Code5 ResourcesIMG_3514.JPG'. Line 123, position 5. E:Code6 04-01-2010 eveningCode5My Project Resources.resx 123 5 Code5.I even deleted the folder to make it worse.The project is code5 but it is running inside the folder of code6.
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Jan 13, 2011
I am used to C like languages such as C#. I added a list box with a list of names. In the code behind I added the below code. When I run the code I am getting the MessageBox but it will state "UserName favorite color is " but does not show the color. I thought it might be misspelled or non-matching names but this is not the issue due to the names being correct.
Public Class Form1
Private Sub lstData_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lstData.SelectedIndexChanged
'Declare Variables
[CODE]...
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Mar 9, 2012
I have multiple file upload boxes on a form in my mvc3 application. Request.Files shows 3 files when I put a break point in the below function and look at it.. Problem is other than coding a counter and using a select case I dont see a way to handle saving each file name to the database column it belongs to... Is there away to assign the variable on the fly I guess you could say So that the foreach loop would drop the file in the correct column. Ie handoutFile1, handoutFile2 , handoutFile3, Etc. As it stands the below will overwrite the filename in handoutfile1 every time the loop is gone through. I thought about throwing a counter in the loop and just put a select case on it to assign the db column based on the counter number. Seems like a cheap work around though. [Code]
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Aug 3, 2011
I am trying to copy files from one drive to another. I am a novice at Visual Basic, but here are the facts. I am running Windows XP, and Microsoft Visual Studio 2008. I work at a business where we need to move a small amount of data every Sunday, literally about 100k, a few small files. I'm trying to cut and paste the files as we will not need them in the main file any longer. There's also the network issue, I'm trying to pull them off a LAN, onto my computer, specifically the G: drive to the C: drive.
This is what I put so far:
vb
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click FileCopy.CopyFiles("G:SharedSFMachinesTemp&HumidityTracking", "C:Richard's Stuff") End Sub
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Jul 31, 2011
I'm making a program which will open .rtf files into a rich text box by pressing a button. I can't seem to make it work. I'm trying to make the Go Button on Form 1 open the selected rtf file and put it into the rich text box on form 2.
Dim file As String = (destination)
ReadFrm.ShowDialog()
My.Forms.ReadFrm.bookrtb.Text = file
Nothing seems to happen It's trying to read from the C:\Program Files directory.
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Jun 6, 2012
Can't find a drive list box in the tools (2010).
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Jul 20, 2010
How can I retrieve a list of all folders in a drive in VB.NET?
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Nov 13, 2009
how can i list every folder on c: drive ,i can only work out two levels "folder/subfolder" code below
Dim dir As New System.IO.DirectoryInfo("C:\")
Dim dirs As IO.DirectoryInfo() = dir.GetDirectories()
Dim d As DirectoryInfo
For Each d In dirs
[code]....
i could go on forever adding for and next loop for subfolder?
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Oct 8, 2010
I want to transfer the files from local system to tape drive. How can i achieve this.
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Jan 5, 2006
Anyone know how to get a count of files with a given extension on a drive? There may or may not be folders on the drive.
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Feb 18, 2011
I need to MOVE a batch of files from one drive to another one by one.How can I know when one file as completed the MOVING process so I the other file in row can start moving
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Mar 11, 2010
At this time I am using VBScript to drive files thru a printer driver. Each file has to be ran at all the different preferences the drivers can offer. (papersize, dpi, simplex/duplex, etc.). I am developing a VB application and I want to drive the files with the app. I want to make setting changes with my app. and then set the driver accordingly and run the files. When I finish I want to dynamiclly change the settings and then run the files again. Until I have driven them with all the different settings.
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Jul 29, 2011
I am using this code to get files, but I can not get it to search for all files on C: drive.how can I get it to show all files Like *.pdf of the drive in the list box
Imports System.IO
Imports System
Imports System.Drawing
[code]....
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