FileSystemWatcher And IO.Directory.Move?
Jul 11, 2009
I've been trying to figure this out, but have had no luck...Using FileSystemWatcher to monitor a folder and subfolders.I've got everything working fine (inluding cut-paste of a folder), the problem i'm having with is if a directory is moved, there is no way for me to get the contents of the moved folder...and the only event that is fired is a "Changed" event...no rename, nothing else.From the MSDN website:Copying and moving foldersThe operating system and FileSystemWatcherobject interpret a cut-and-paste action or a move action as a rename
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Mar 9, 2010
I trying to be notified when a directory is created, deleted, renamed or moved. The VB.NET code below only shows the Rename event.
Imports System.IO
Imports System.Threading
Public Class Form1
[Code].....
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Jun 1, 2009
I created a VB Windows service with a FileSystemWatcher (VS 2005). When someone places an XML file into a folder, I want the service to read it, then move it to another folder. I do the move with this type of command:
[Code]...
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Jan 6, 2012
how do i copy and move the entier contents of a directory to another ussing VB.net then also delete the files from there original directory?
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Apr 8, 2011
I am going to need to create a windows form for work that we can connect to a database table, select a directory and move files from the directory that are in the table and move to another folder. The directory will have sub directories that I need to search for the file name and move. I would like to have the table hold the file name (or path) and move all files that are in the database. There might be 20 files or 1000. Depends on the client we are processing for.
[Code]....
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Dec 12, 2011
First off, I am completely new to VB and have no previous programming experience. I was required to take an Intro to Visual Basic class.
As a result, I was assigned to write a program for my final project. My professor wanted us to challenge ourselves and try to design something we would use. While my fellow classmates chose damage calculators and stat calculators, I chose to write something that would move files around. It was challenging for a beginner, but i figured i would be able to find alot of help in my book and online. I'm impressed at myself that I've made it as far as I have, but I've hit a snag in the road.
The project is due friday, and for the life of me I can't figure out how to move the files... which is a bit of a problem.[code]....
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Oct 15, 2009
I have a script task inside a for each file loop which moves files from one directory to another. It uses the file.move command which works fine unless the file I am moving already exists in the destination directory. I would like to add the datetime string to the filename before moving it or alternatively an incremental variable to make the filename unique before its moved.
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Sep 24, 2008
It keeps throwing an exception like this "Cannot create a file when that file already exists" at this line:
Code:
Directory.Move(contentDirectory, archiveDirectory)
I have checked, and the directory that I am moving, does exist at the source, but does not exist at the destination. I have tried including some console.writelines to make sure my variables are correct, and they look good. The first bit of code works where it creates the new directory, but fails when I try to move anything over to that directory.
Code:
Sub Main()
Dim Guid As String = "test"
Dim archiveName As String = "scripttestone"
Dim contentDirectory As String = "C:content" & Guid
Dim archiveDirectory As String = "C:archive" & archiveName
Dim TodaysDate As Date = Now()
[Code] .....
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Dec 30, 2011
I want to move the file showed in a textbox from a directory to another one. The file showed in a textbox is randomly determined, but once is showed, I want that after press a button it is moved to another directory.
I know the instruction to move files is:
My.Computer.FileSystem.MoveFile("C:TestDir1 est.txt", _
"C:TestDir2 est.txt")
But which would be the code for a "dynamic file" depending if this file is showed in a textbox?
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Jul 26, 2010
I'm trying to make a program to gather Photoshop Brushes (File type is *.abr) and move them to the photoshop brush directory. I've been looking at this little bit of code and am stumped as of where to start
[Code]...
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Dec 23, 2009
I have downloaded a program for moving files and it accepts visual basic instructions. I want to down a level all the files from multiples subdirectories to its parent directory. Example:
I have this:
C:VIDEOSTHEWIRESEASON 22X012X01.avi
C:VIDEOSTHEWIRESEASON 22X022X02.avi
C:VIDEOSTHEWIRESEASON 22X032X03.avi
And I want to have all the files in just one directory, like this:
C:VIDEOSTHEWIRESEASON 22X01.avi
C:VIDEOSTHEWIRESEASON 22X02.avi
C:VIDEOSTHEWIRESEASON 22X03.avi
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Mar 11, 2009
I have a WinForms app with SQL05 backend. It has a standard Login window where users are required to supply a username/password. This is validated using my own code and sprocs. Now one of my big clients has scared the bejezus out of me by saying, "Hey Chris, I want you to change your app in line with all our other IT systems so that users can use their common username and passwords with authentication against LDAP". :confused: Having had a moment to reflect, I have some questions (some very noob in nature!)
1. Is this requirement a big deal? :) Or straightforward to implement?
2. Does this mean that when user's double-click my app icon on the desktop, the authentication automagically happens without the need for a Login screen?
3. How on earth can I test this. My dev environment does not use AD, but I do have SBS2003
4. Can anyone point me to good resources about this on the web?
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Aug 30, 2010
how can i either copy/move/rename & delete a file in program files directory? [c ode]i already have the form which grabs the updated file and it save it to temp directory ready for copying, just stuck here as of the access denied.
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Feb 20, 2012
I have my application watching my desktop, pictures, music, and document folders.[code]What would I need to put into logrename() in order for it to automatically upload the renamed file onto my server?
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Jul 31, 2010
I added FileSystemWatcher in Form1_Load like this -
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
....................
[code]....
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Apr 7, 2011
I can't seem to get a FileSystemWatcher to work, this is what I currently do.
Private Sub FileSystemWatcher1_Changed(sender As System.Object, e As System.IO.FileSystemEventArgs) Handles FileSystemWatcher1.Changed
MsgBox("Directory has changed")
End Sub
I have the filesystemwatcher path in my desktop. But when I create, re-name or delete something in the desktop it dosn't do anything, not even giving an error. I filter FileName, DirectoryName and LastWrite (the defaults).
The FileSystemWatcher have the EnableRaisingEvents set to true. So don't really know what the problem is.
I've tried google without any luck, all I found was people having problem that the FileSystemWatcher executed twice.
So do I have to do anything more on the code to get it to work?
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Mar 23, 2010
I have a FileSystemWatcher in my project and when Created new file, i can get MD5 value of the new file, but sometimes error occurred while getting MD5 value, my code is like this
Private Sub FileSystemWatcher_Changed(ByVal sender As System.Object, ByVal e As System.IO.FileSystemEventArgs) Handles SystemScanner.Changed
Try
[code]....
That error is "Access Denied", i think function must be wait for done the progress, how can resolve this problem ?
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May 25, 2010
I have a FileSystemWatcher monitoring a folder, and when many files are cut and pasted into the folder, the GUI freezes, as the 'Changed' event is fired over and over. Any way to deal with this?
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Oct 9, 2009
I've been trying to get filesystemwatcher to work in my application with no luck. I've been able to modify the example on MSDN and have it work very well, but not when I try to use it in my own program. [Code]
If you compare it to the example, there really is very little difference, at least to me. "loadlist" is the equivalent of "main" in the example, "watchfile" is the equivalent of "run", and "OnChanged" is the same as in the example, but performing different actions. Right now its not doing anything. If I remove "Shared" from the subs then it works if the file changes once, but after that it does nothing. (I must admit I don't really know what making a sub "Shared" does).
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Jan 4, 2010
I have a FileSystemWatcher tool on my form Watching 'C:' and i am now the FileCreated Code
Private Sub FileSystemWatcher1_Created(ByVal sender As System.Object, ByVal e As System.IO.FileSystemEventArgs) Handles FileSystemWatcher1.Created
Dim Name As String
[code].....
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Dec 26, 2009
I have three listboxes in an array and on form_load the listboxes initially select the fifth item in each listbox:
Private Sub frmSample_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
For i As Integer = 1 To 3
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Jul 29, 2011
I've written a nice service that monitors our FTP folder, then sends out email notifications to the respective Sales / Customer Service reps associated with the client whose folder has been modified.Working great! ...until a CSR asked if there was any way to make is so that email notifications only get sent out if if's the customer making changes to the folder, not someone internal adding / deleting files to the FTP folder...
So, my question is this - is there any way, and if there are multiple ways, what's the best way to tell WHO is making changes to an FTP folder? is there a way to capture an IP address?Being relatively new to .NET (all of about 8 months sporadically...) I'm hoping that a veteran that knows more about .NET than I will get me going in the right direction!
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Sep 13, 2010
I am in the process of writing a windows service that will be replacing a vbscript that runs via a scheduled task currently. It currently runs on 350 kiosk machines in 350 different locations.Here is what the vbscript currently does:
1. The machine receives a ZIP file in the RECEIVE directory. Configuration_09122010_1234.zip. This file contains software configuration files that need to be copied to specified folders on the machine and to another machine on the local LAN where this kiosk is located.
2. The zip file is extracted to a folder with the same name as the zip file.Inside the zip file is an instruction file (.txt) and files that are referenced in the instruction file.
3. Opens the instruction file and performs the instructions in the file. Example: (this would copy pricingfile1.dbf to \mymachinecapplication1pricing, and then execute softwaresoftwarepatch1.exe which is located in \mymachinecpatches)
pricingfile1.dbf, \mymachinecapplication1pricing, copy
softwarepatch1.exe, \mymachinecpatches, run
4. Once all of the actions in the instructions file are completed, the folder where the zip file was extracted is deleted and the zip file is renamed to configuration_09122010_1234.zip.applied to show that it was processed by the script. Also, because the script is a scheduled task, this ensures that the file is not applied more than 1 time.
So I have started writing the service using the FileSystemWatcher. Basically I look in the receive folder for any file that looks like Configuration_MMddyyyy_*.zip and unzip it to a folder of the same name.
1. I have been doing some reading about the FileSystemWatcher Created event.I read an article about how the Created event fires as soon as the first byte is written but doesn't necessarily mean that the complete file has arrived at the machine. A post I read involved a .csv file and it mentioned that you try to open the file and catch any errors - if you cannot open the file, it hasn't arrived yet. This makes sense to me but I don't know what the equivalent would be to a zip file. It's not the same as opening a txt or csv file.
2. There are times that we send more than 1 configuration file in the same day, or even, at the same time. Above I mentioned the name was Configuration_<date>_1234.zip. The 1234 is a sequence number, always incremented. The idea is for 1234 to be applied before 1235 and 1236. So if I had 2 files sent *at the same time* and I want them to apply in order, how would I do this? I thought about when I am applying 1 file to stop looking for changes until after the apply process is completed, but then I *think* I would miss any file that arrived while I EnableRaisingEvents = false?
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Feb 11, 2012
I am developing an FTP program which: Watches a folder. If a new file is dropped there then upload it. Tells user if uploading and when complete. All the above works, however I wan to add the items to a listbox that are being uploaded. So if I dropped 3 items there it would look like :
Upload Listbox:
cake.jpg
myExcelFile.xls
woot.docxAnd as each one is done, or new files are added it removes them or adds them.
I tried using que, but with no luck as the program just hangs whilst it uploads. So I had a search and looked into multithreading and I tried to implement it, but I can't get it to work as it gives me some 'delegate signature' related error message as you can't pass in values when trying to use 'AddressOf'.
Here is my code for the The .created sub:
Public Sub FSystemWatcher_Created(ByVal sender As System.Object, ByVal e As System.IO.FileSystemEventArgs) Handles FSystemWatcher.Created
'if any file created add fullpath to the listbox
ChangeLog.Items.Add("Created: " & e.Name)
QueueListBox.Items.Add(e.Name)
[Code] .....
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Jan 22, 2012
I'm having a problem trying to work out how to watch a folder for changes. This is how far I've got:
Class MainWindow
<PermissionSet(SecurityAction.Demand, Name:="FullTrust")> _
Private Sub Window_Loaded(ByVal sender As System.Object, ByVal e As
[Code]....
The problem is when a change occurs in the folder the program exits with no error code. I've read a few related posts and I know it has something to do with thread safety. However I've no idea how to make this program "thread safe".
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May 11, 2011
I'm planning out a filesystem tools application. I'd like to use a collection of FileSystemWatcher to keep an eye on every drive while the application is active, so that if the filesystem topography changes the change event can update the UI (it's
either that or spawn extra threads to constantly loop through checking if drives have been added/removed and then drilling through every drive path to see if folders/files changed - I really don't want to use extra threads).
I don't use FileSystemWatcher much and I'm wondering how much of a resource hog this is likely to turn into. For example, I have 1 500GB and 2 1TB hard drives and I have 2 CD/DVD drives in my system - I also use external IDE and SATA bays to attach
extra drives ranging from 20GB to 2TB at a time, and I'd be using a Collections.Generic.List of FileSystemWatcher to spawn a new watcher for each drive, adding and removing FileSystemWatcher instances as drives are added and removed.
At that point I'm not entirely sure whether a FileSystemWatcher pointed at the root of a physical drive will actually monitor the entire sub-filesystem for changes, and even if it's capable of that exactly how much system overhead am I going to be sucking in?
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May 14, 2010
I have a program which has FSW (File System Watcher) and it monitor "Folder ". When the new file has been created, it will move this file to "Folder B". During testing what I found is: The program works OK if I put the file in "Folder " as cut and paste from other location. However, if I copy and paste the file in "Folder ", the moving function got error and said The process cannot access the file 'D:watchCopy of Tester.txt' because it is being used by another process.
My FSW watch "Changed" only and the NotifyFilters are DirectoryName, Attributes, LastAccess and FileName. I refer the sample from MSDN and put a file copying function only. [MSDN Sample Link] (FYI: I did a search in the forum and didn't found the above solution. So, I assumed this ques has not been asked and therefore I create a new threat. If there was an answer already posted,
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Mar 19, 2009
I am getting the following error, when I create a file in the folder that I am watching using FileSystemWatcher Control.Message="Cross-thread operation not valid: Control 'txt_FolderActivity' accessed from a thread other than the thread it was created on." Source="System.Windows.Forms"
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Apr 29, 2009
I'm working on a Windows Service that watches a few folders for changes, creations, and deletions. It all works well with the exception of one watcher that watches a single file (XML File with Configuration Settings) for minor changes.
I tried taking the Windows Service code and putting it into a simple windows application with start/stop buttons for the filesystem watchers and stepped through it. It never detects the file change of the XML config file. The changes are indeed occurring and the "Date Modified" of the file is updating.
XmlEventReferences = New System.IO.FileSystemWatcher()
XmlEventReferences.Path = "C:XmlReferences"
XmlEventReferences.Filter = "*.xml"
[Code].....
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Jan 16, 2009
I have the following code:
Imports System.IO
Public Class Blah
Public Sub New()
InitializeComponent()
[code]....
When I run it and save changes to a file on my C drive, the code works great, except it executes the watcher_Changed() method four times. The changeType is "4" every time.
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