Accessing Files Off Of A Drive That Has A Different Path From System To System?
Mar 26, 2011
I'm coding this neat little project that's kind of a hack into the SanDisk U3 Cruzer's ability to have both a CDFS and FAT32 File System. This is helpful because the program is burned to the CDFS (It's basically slip streamed as an .ISO in place of the original U3 .ISO), and the settings files (which I've developed as text files) are placed on the root of the flash drive. The program itself is VERY simple actually, except I'm having a slight issue that's really driving me insane:
The drive path of the Flash Drive won't be the same from computer to computer. I.E... The files are "UAI.txt" and "UInfo.txt". The root of the drive on my comp is "I:", but on my laptop is "F:". So if I program the path from my computer as the absolute path, an exception is thrown when the path changes on another computer. I cannot have this happen. It is probably THE MOST crucial element to this program. How can you save and read info if you can't find the files? =P
So I've gone through so many threads and forums trying to find a batch of code to allow me to make the path relative. I've found the following code (modified, of course). It works PERFECT in Debug, but throws an exception once packaged to the CDFS partition:
[Code]...
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Jul 15, 2010
What are the variables for The system drive (most commonly "C:") and system directory (Most commonly "C:WINDOWS")
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Mar 13, 2011
I am currently trying to create a DLL for use with a RESTful api. The only issue I have is that so that this DLL can be used in a service or a program without a GUI, so I can't use "Imports System.Drawing.Imaging" as this requires a form. I have looked around for examples to handle this without using this library but have had no luck.
[Code]...
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May 15, 2009
Dim streamWriterIO As New IO.StreamWriter("C:myfile.txt")
With streamWriterIO
.Write(streamWriterIO)
[Code].....
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Aug 11, 2011
I would use the System.Linq.Dynamic. I added the specified Dynamic.vb file, that starts like this:
[Code]...
to my (VB.NET)solution. Now Visual Studio does not recognize anymore in the project files the System.XXX references, proposing me to change them to Global.System.XXX
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May 1, 2011
I have created a sub folder (named 'Data') under my project through the solution explorer. I also have created a text file (data.txt) inside the new sub folder. This text file is used to store information such as settings and connections.
I can check the file using the full path. However, I want to avoid errors such as moving the project folder to a different location. Is there anyway to check using a relative path? File.Exists("~Datadata.txt")
Or is it better to create it under Application.StartupPath?
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Apr 9, 2012
I'm attempting to create the sending path files from each rows of Datagridview to USB removable Drive. Below the code i''ve got from Shanks it's just show the name of usb drives but when i clicked on sendto not work.
[Code]...
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Aug 17, 2009
I would be grateful for information or a link to a clear explanation on issues relating to accessing the registry in a 64 bit system (I don't have access to a 64 bit machine so can't test). I have a VB.Net app' that needs to read the registry to find where Ghostscript is installed. This is: key = Registry.LocalMachine.OpenSubKey("SOFTWARE\GPL Ghostscript")
If the VB.Net app (made on my 32 bit machine) is run on a 64 bit machine, will it still work (assuming the key for Ghostscript is the same on 64 bit)? Or do I need to manually access the 'Wow6432Node' registry or something? Plus, are there any security implications reading the registry or can I safely assume that an installed app' will always be able to read the registry?
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Apr 18, 2007
I have the error: "Error accessing the system registry" when I am in VB6. Goto Project --> References then I have that error.
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Jun 18, 2010
What I'm looking to do is 'hook' a physical drive connected to the system so I can process data coming through the API before it's written to the disk. I have a sense DeviceIOControl is where I should be, but I can't seem to find any IOCTL code that uses a callback (which is what I expect I should be using to scan/process data on its way through the API).
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Apr 19, 2010
1- I've a database access without password on the Server.I've created forms by vb.net to connect to database through OLedb Connection *like this
PHP
Dim Connec As New OleDbConnection("provider=microsoft.jet.oledb.4.0; data source = \Serverc$xDB.mdb;")
my problem is : I worte : if I want to connect to database from any pc I must save Username and password to control userpasswords2 (soted user name and password from User accounts)that's big problem , so I must save this to all client pc and the client can access Server system Drive there are no security ,this is the fifth day to find a way to connect to my database from server without share system drive.I tried to used it but not working.where can I write server name and path database and server's User-name and password.I've an exe file on server drive like this \Serverc$1.exe
I want some client to run this file with out share the file.If I can to creat a form by vb.net has a Username and password to run this exe without client know the userName and password.I'found map network , but is not ok for me.If I mapped network drive to client, then he can copy files and read some of security data.Is there a way to access this file from server without mapping or sharing folder for public ?
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Feb 28, 2010
My software handles multiple operations on files, and I have now finished writing the related functions, using the System.IO classes. I now need to add support for network drives. Using a mapping works very well (although Directory.GetFiles is a bit low, and I don't know why), but I'd now like to be able to deal directly with paths such as \192.168.0.10Shared FolderMyDrive. Is there any way to handle this type of paths other than mounting the drive to an available drive letter, using the newly generated path, and then unmounting?
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Feb 19, 2012
I'm running the following WMI script to get the associations between drive letters and physical drives on the system, but for some reason it omits CDROMs/DVD-ROMs. Can someone tell me how to get those as well?
Code:
ComputerName = "."
Set wmiServices = GetObject _
("winmgmts:{impersonationLevel=Impersonate}!//" & ComputerName)
Set wmiDiskDrives = wmiServices.ExecQuery _
("SELECT DeviceID FROM Win32_DiskDrive")
[Code3]...
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Jun 22, 2010
In my VB.NEt 2008 application, I am frequently creating and killing the file Fileopen and Kill(Multiple times ). It was working fine with Windows XP. But in Windows 7, it is worjking fine for some time (creating and killing theile properly) and then t is creating unautoriszed Access exception after some time .it does not happen immediately and it happens intermittently.
Sampel code is as give below:
Publicl_filenumber as Integer
Procedure 1:
[code].....
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Mar 16, 2009
With the following imported namespaces in my project :
Imports System.Windows.Forms
Imports System.Reflection
.. I cannot add..
[code].....
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Sep 24, 2009
I need to obtain the full path for a file located in somewhere in the system search path for executable files, when I only have the file name. Another user came up with the following code. However I was hoping to find something that is more directly supplied by the system, rather than a "roll your own" solution such as this one. Also, the solution below could run into problems, however unlikely, because it is possible for Windows file and folder names to contain semicolons. The split function doesn't pay any attention to quotes, and could therefore improperly split a path that includes a folder name with an embedded semicolon.
Private paths() As String = Split(Environment.GetEnvironmentVariable("PATH"), ";")
Private messageOutput As String
Private fileInPath as String = "notepad.exe" ' for example[code]....
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Jul 11, 2010
allowed to write in C:path (Vista system)
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Sep 10, 2011
i got to do a program in VB.NET that copies a file from a pc to a usb device. I use the method System.IO.File.Copy(FileToCopy, NewCopy) in which i have to specify the destination path. The problem is that when i change pc the destination can change: for example in my pc i read my USB pendrive o G: and on my friend pc i read the usb pendrive on E:. How can i solve that? May i specify a general path to my USB giving it a name or anything similar?
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Sep 30, 2011
I have a fault with System.IO.StreamReader.
[Code]...
When the program starts, The faultis 'Empty path name is not legal.' How to solve this fault?
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Jun 24, 2011
This is a slightly tricky one, so bear with me...I have a simple little method:
[code]...
the service is for now working correctly. Anyone have any ideas what would cause such an intermittent failing? I'm assured by co-workers that nothing was changed over the weekend (not manually at least). Baffled...
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Ok so I have a small problem with an error I am catching. It only produces the file name and not the actual path of the file.I want to delete a folder and all the files and folders inside of it. However an error is thrown when a file is "read-only". A quick fix would be to set the attributes of that file to normal and then try again, the only problem is the error doesn't give you the location of the file.
2008
Module Module1
Sub Main()
[code]....
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Jun 27, 2011
VB 2008, DataGridView,DataGridView1_CellLeave(sender, New System.EventArgs)
"Unable to cast object of type 'System.EventArgs' to type 'System.Windows.Forms.DataGridViewCellEventArgs'."
What is the Correct String for "New System.EventsArgs"
Anybody there is to help me out.
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Jun 2, 2011
[Code]....
This code is for listing all folders including subfolders. but when i run this code i m getting error "Access to Path F:System Volume Information is Denied" How can i ignore this folder and continue scan.? is ther any solution for this error?
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May 9, 2011
I am getting below error, when passing the path which has space between the folder name.
"System.ArgumentException: Illegal characters in path"
I have declared the the path in the variable like below:
Dim sFilename As String = "C:\Test\Windows Service\Schedule.xml"
or I have tried like this as well but same error I am getting.
Dim sSFilename As String = """C:\Test\Windows Service\Schedule.xml"""
and passing this file name to the below code:
Dim docDataSet As New DataSet
Dim docReader As New XmlDocument
Dim xnl As XmlNodeList
[code]....
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Oct 3, 2009
Im trying to tell my button to go directly to a website, it works fine when i path it to the web browser itself, but then when i add it to go to the sppecific site it says system cannot specify file path. Heres the code Rob gave me and it didnt work ""[URL]""" Heres my exact line: Process.Start("C:Program FilesFlockFlock.exe ""[URL]"")
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Jul 29, 2011
I am getting following error whenever I want to use IIf function inside entity framework query.
LINQ to Entities does not recognize the method 'System.Object IIf(Boolean, System.Object, System.Object)' method, and this method cannot be translated into a store expression.
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I want to set the System.Windows.Forms.FolderBrowserDialog to a default path when I load it up. If I set the selectedpath that works but I have to scroll down to that folder to select another one in it.
All I want it to do is start from the passed path; i.e. e:defaultpath ewdocs.
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if I use a third party distribution application like Setup2Go etc. to make my setup files, will my application run properly on user's computer?I mean how the required system files and dll files shall be included into my setup.exe?Does user need anything install, prior to my application's installation?
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I am trying to create a function to convert a mapped drive path to a UNC path. I did some googling and found several different pages on the matter. I am most interested in the first one, but I cannot seem to get the code to cooperate. Since the original post was in C#, here is my VB.NET conversion:
[Code]...
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Jun 12, 2010
I'm running windows 7 64 bit and using VS 2010. I'm trying to use the filesystem.getfiles to find a file on the computer and return the path for it. However, when I search C:/ and its subdirectories, it always throws an error: "A first chance exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll"
I've looked everyone online and can't find a solution. I have administrator privileges and really I dont want people who use my app to have to adjust security settings for this to work. Is there not a way to search the C drive for a specific file and return its path? [Code]
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