Windows - Remove File If Application Is Not Running?
Apr 6, 2011
Not sure whether this is possible, but I'm creating a file encoding applcation. When a file is decoded, it is saved temporarily in a temp directory, after which it can be opened regularly. However, I actually need to be certain the file is removed as soon as the application that has opened it, has closed it (e.g. has shut down). Otherwise, the decoded (secret) file is just hanging in the temp directory without supervision.
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May 15, 2012
I have seen this happen before but am not sure how I resolved it in the past. On runtime the controls of my form change from the windows 7/vista format to an older version format as shown in the attached image.
How to display the controls in the format on the left (new windows format)
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May 7, 2009
I am trying to write a Windows Script that will allow me to monitor the following: That 2 x seperate but specific processes within Component Services "Running Processes" list are currently running and have not reset within the past hour. If I already know the PID, then I can retrieve the CreationDate (I assume which I can use to check for restarts? or is this the actual process creation/installation date) for each specific process, however if a restart occurs the PID will change and my script needs to know what the new PID is without me telling it!
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May 9, 2012
I developed a c# .net windows application and create Set-up for it on windows XP Professional OS .
And Try to Run This Set-up on to Windows 7 OS(32 and 64 bit Both) for installing this application onto Windows 7 OS Machine But Installation Failed and Throw Code Error: 2869.
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May 18, 2009
As I said, I have a vb.net application which runs perfectly fine on Windows XP EN. However, it becomes problematic when run it under Windows XP in German Language. I have a string type in app.config file, it stores a color's RGB value "0,102,255" as a string. When the application starts loading, I will grab that value as a string and use ColorConverter object to convert it to a color as shown the following
Dim oConverter As New ColorConverter
Dim oColor As Color = CType(oConverter.ConvertFromString(My.Settings.MyColorString), Color)
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Mar 10, 2011
I have a VB 6 SP6 application that uses DirectX 7 to interface to a USB joystick (Logitech Extreme 3D Pro).The application works under Windows XP Pro (32-bit).I've got Visual Studio and the application running under Windows 7 Pro SP1 (32-bit).
I've calibrated the joystick under Windows 7.The VB 6 application does not find any DirectX 7 joystick device to connect to.Otherwise, the VB 6 application works (GUI, embedded video, serial channel, Ethernet connections).The VB 6 application must be accessing the dx7vb.dll or it would crash.The joystick disc did not provide a driver.I installed the latest joystick Profiler vendor software from the Web.This is my first attempt to use Windows 7 as a platform.I'm not sure what to try from a Windows 7 perspective.
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Aug 30, 2009
I have a problem with any vb.net application running on my windows 2003 vps. I've tested this by creating the simplest form with just a button on it and executing the following code...
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Jun 29, 2010
I have a console application that is ready to be used as a windows service, I have been looking around for a couple of hours and tried many of the tutorials out there but none of them worked with me.
The closest one was: [URL] but it didn't go into the process of doing it. I converted that code to VB.NET but then I don't know where to go from there. I have the Module1.vb which runs my console application all ready to be used.
show me a way to use my console application as a service, I tried using the InstallUtil feature but my app never showed under "services".
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Jan 25, 2010
Just placed out first Windows 7 PC in to a production environment and noticed that system.file.io gives errors about file not existing when using mapped drives to a network server. I can access the file through Explorer on the PC. When I chnaged the path to UNC using the IP and drive name instead of the mapped drive letter all works fine. Strange thing is for a few days during the testing period the application ran on Win 7 using the mapped drives in the file.io path. Not sure why it stopped working or how it worked in the first place. Question is on Windows 7 it seems like it doesn't like mapped drives in system.file namespace. Is tis true or are there more steps I need to do in addition to this This works as is, but when I change \172....vol1 to r: it bails, hence the thinking Win 7 is stopping the access to mapped drives.
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Mar 3, 2010
I've developed a VB.NET application with Visual Studio 2008. The application communicates with SQL Server and processes a text file.
My question is about performance. While I run it from Visual Studio 2008, it takes 3 sec to complete. The same is when I run the executable created by the Setup Wizard on my desktop (Windows XP sp 3). But if I run the executable installed on a Windows 2003 Server, it takes 15 sec to complete! What could be the reason of degrading performance on the server vs. the desktop? The .Net framework 3.5 SP1 is installed both on the desktop and the server.
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May 23, 2011
I want a sure-shot method to test if the application was run via the UAC box and has full administrative rights. Earlier, I thought of making a folder in C:Windows for testing but running it on other computers proved to be a failure!
The UAC box provides all administrative rights to the computer to do anything(including making folders and creating files in places which needs there rights) and also makes sure that any child program so called or created also does have the same rights as the parent.Is there a sure-shot way to test if my application has been provided all the administrative rights that I can maximum get by the user while running the application or not? If yes, I would be glad to have to piece of code-work!
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Jan 24, 2012
I am trying to build a simple AutoUpdate application using VB.NET. It was quite simple. That is, I put the newest ZIP file in my hosting site, and then download it using WebClient.DownloadFileAsync. After it get downloaded, I extract it using [URL]
But each time I run the unzip.exe using Process.start, Windows 7 always show Open File Security.
Is it possible for VB.NET to bypass such security restriction?
Btw, this is my code of using WebClient.DownloadFileAsync, in case any one google about it and landed on this page :
Public Class AutoUpdate
Dim installationFolder As String = "C:Program Filesxyzabc"
Dim updateFileNameTarget As String
Private Sub btnStartUpdte_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnStartUpdte.Click
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Jul 4, 2011
I am having a windows application. That downloads files from server and write into the local directory. It works fine. When we try the same appliication in Windows 7. IT shows an error Access to the path denied (While writing to the local directory).
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Feb 26, 2011
I have created an application in VB.NET 2008 with SQL Server 2005 edition and having a probelm to take the backup of database namely Burakhe.mdf I want to copy the file Burakhe.mdf to the selected folder when this file is still used by other application ie.during running the program ..
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May 30, 2012
FormA calls DialogB where user cancels DialogB which exits via ForceTermination(), see insert.Caller FormA check for DialogResult not = OK, which it isn't, and I can see this in debug as Abort(3).However, the code continues merrily along its way until I get a 'null reference' error which I'm trying to avoid via Force Termination().This is caused by the user cancelling DialogB, a selection process to get a database (SQL) instance.[code]
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Jul 28, 2011
We are developing an application in VB.NET that will need to accomodate remote users logging onto a Microsoft Terminal Server using RDP through the MSTSC.exe client.
Is it possible to offer an 'Upload' button which will allow the remote user to pick a file from his/her local hard drive and upload to the server ?
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Nov 5, 2008
I have a VB application and I want to allow the user to choose an option between "OK" and "Cancel" buttons when he want to exit the VB application. So far, I cannot figure how to allow the user to click "Cancel" to allow the VB application to continue running. [code] So how do I allow user to click "cancel" button to prevent from exiting?
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Jun 1, 2010
I am writing a small visual basic application to install clean up tools quickly on any machines that we need to work on here at my workplace. I am using 4-5 cleanup programs that I have packaged into MSI's and have batch scripts that I am calling in my visual basic application to run them as silent installs. However, because I am doing the silent installs, windows always pops up with the "open file - security warning" and I have to click run for each individual program. I am wondering how to get around this from my end within the application. I know it can be disabled in windows but I am not wanting to have to go through a process on every machine that I run this program on. I would like to find a fix on the back end in my script.
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Oct 21, 2009
I recently came across a problem for image file storage in network.I have developed a desktop application. It runs in network. It has central database system. Users log in from their own computer in the network and do their job.Till now the database actions are going fine no problem. Users shares data from same database server.
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Aug 5, 2010
I recently came across a problem for image file storage in network.I have developed a desktop application. It runs in network. It has central database system. Users log in from their own computer in the network and do their job.Till now the database actions are going fine no problem. Users shares data from same database server.
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Apr 24, 2010
I had done one application using api which send the message to given number. The working of software is very fine without any error working on windows XP SP2. I heard that vista already contain the .net frame work so didnt installed .net frame work in machine. I checked in vista it shows .net frame work is in machine. But when same code i tried to run on Vista it gives the error. Error is as follows
See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.
************** Exception Text **************
System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
at SmsSendingApplication.frmSingleMessage.InternetOpenUrl(Int64 hInternetSession, String& lpszUrl, String& lpszHeaders, Int64 dwHeadersLength, Int64 dwFlags, Int64
[Code].....
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Apr 2, 2010
I am iterating through the table rows . if the row row is null I just want to remove the row.[code]....
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Sep 25, 2011
I am building a Setup project for a Web system using Visual Studio 2008. I upgraded my development machine from Windows Xp to Windows 7. The problem started with Windows 7. Whenever I try to build I get the above error. I ve tried several solutions given online but I ve failed to get a solution. When I transfer the system to a machine running Windows Xp or Windows 2003 Server it builds successfuly.
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Aug 27, 2010
We have a windows service running under a network account that calls and runs an ActiveX exe. The exe is running under the local system account, not the network account of the service.
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Jun 4, 2011
what account for this error message in ls beta 2?'' The last change wasn't successfully persisted.Please shot down the running application.
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May 4, 2011
In a solution with multiple projects, one project that compiles to a .exe and a .dll has hitherto been successfully included in the Application Folder list and worked fine. After a recent revision to that project I deleted the .exe reference in the Application Folder list to remove both files prior to using Add > File to relist the new versions, but somehow although the .exe has gone the .dll remains in the listing and I now can't get rid of it - the right-click Delete function is disabled, and I can't see another way to remove this orphan file reference. Also if I now Add > File and point to the new .exe to bring it into the File System Application Folder list, after a couple of seconds the whole VS environment closes without an error message and I have to open VS again to restart.
Does anyone know how to unscramble this - presumably by editing something to remove the orphan .dll from the list? I use VS-2010 but this solution was imported and updated from VS-2005 some months ago, and since then has been fine.
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Nov 30, 2009
i cant read database connection strings from my appconfig file with my vb.net windows application.
appconfig file is like this
<appSettings> <add key="SQLConnString" value="Data Source=server1;Initial Catalog=dbtest;User Id=sa;Password=pass123;"/> </appSettings>
i want to insert some datas into database
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Apr 25, 2010
dll file in my windows form application. how to use the .dll shared functions. I am trying to use functions in the same .net .dll file but it gives me an error "Reference to a non-shared member requires an object reference. I tried but I could not solve it,
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Jun 4, 2012
I am creating DLL file using c# .For that i need one DLL file. That is created in VB.so i just i add that dll file into my project via add reference option.But when run the projects am getting this error.
Could not load file or assembly 'BOL3, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
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May 25, 2011
I am trying to write a code to save and open data that is in my application. My application contains hundreds of text boxes, combo boxes and labels. I have created an array for each set of data, i.e.,
glist(0).store=combobox1.value
glist(0).cat=combobox2.value
glist(0).it=label3.text
glist(0).quan=label4.text
glist(0).total=label5.text
up to glist(89).
Is there a way to write a code to loop through the array and save the values so that they can be opened at a later time in my application? The array will contain Doubles and Strings.
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