VS 2005 Determine File Association?
Jul 2, 2009
I'm trying to use Adobe's command line parameters to launch a PDF file with a user's search term passed in automatically. Unfortunately, Adobe's syntax for this command requires me to start Acrobat.exe (or AcroRdr32.exe) and pass in parameters, including the PDF file name.I have users that might have any version of Adobe Acrobat from 5.0 up, or they might be using Adobe Reader version 5.0 and up. I know when I double-click a PDF file, Windows has an association with that file that points to wherever Acrobat.exe (etc...) is installed to launch the program. How can I get access to that information?I've looked in the registry at"HKEY_CLASSES_ROOT.pdf", but don't see much in there that would lead me to "c:Program FilesAdobeAcrobat 8.0Acrobat.exe" or wherever the program is installed. Does anyone know how I can access this information?
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Jun 1, 2009
Is there a way to get the program that is locking a file, in vb 2005?
For instance, when I try to open a file that is already opened by another program, can I get the name of the process/program that has locked this file?
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May 14, 2009
I need to process a text file created by a Streamwriter. I have the Streamwriter object but the file location is determined by the user. The problem is, I need to process *the file* not the contents-so I need the location.
Steamwriter doesn't seem to have a Location or File property. Or am I just missing it? How can I tell what file a Streamwriter object is writing to?
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Jul 20, 2009
I'm having a slight problem getting my program to load a save file when double clicking the save file.I'm using the Command$() to get the command line argument. I can open a save file by dragging it onto the exe. But not by double clicking the save file (after it's associated with the exe).I though dragging and dropping a file on a program and double clicking the file would open it in the same way, but I guess not.So in short how does file association work and how do I get the file path set to a var when the program loads.
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Jun 10, 2010
after downloading an emulator for the gameboy advance, all my icons hav turned to the adobe logo. When I double click on them, all that happens is the abobe reader comes up and says it can't open it. The only way I have found to open them is right clicking on them and hitting properties and clicking on shortcut ---> open file location and opening it from there.However I would like to open it regularly and I am not very computer savvy but I believe it has to due with file association.
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Nov 23, 2009
I am trying to create a file association in my program, which requires me to create some keys in the registry. However, when I try to create the keys, I get a System.UnauthorizedAccessException.
I have tried searching for a solution, and the only thing I can find is various examples of passing a boolean value to request write access for the "OpenSubKey" method. My problem currently is not opening the key, it's creating it. I have tried several of the different overloads to no avail.
I am guessing that I will need to temporarily elevate the access of my app to create the registry key. What I don't want to do is permanently raise the access of my app just to accomodate this one, small function, which should only really be needed by the user one time in order to create the file association.
Here is my code in progress:
Private Sub chkSOPAssociation_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles chkSOPAssociation.Click
If chkSOPAssociation.Checked = True Then
[Code]....
I have a checkbox on my form. When the user clicks it, it sets the file association if the checkbox is checked, or else it deletes the association if the checkbox is unchecked.
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Dec 19, 2009
Ok, I'm trying to tackle this topic again. I have searched for setting file associations in the registry, and I only find references to adding the association the ClassesRoot, which, in Vista 64, throws an Access Denied exception.I would like to know if it is possible to set the association somewhere other than classesroot in the registry. Or, if it must be set in HKCR, then the proper way to temporarily elevate the application to perform the registry change.
What should happen is user clicks a button in my program to add the file associations, a Vista security dialog pops up prompting the user to confirm the operation or enter administrative username and password, user confirms, application sets the file associations, then drops back down to regular security.
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May 3, 2012
I have a tab-based application that handles multiple documents. It is designed such that the user cannot run multiple instances of application. Furthermore, the user can double-click on a document file, and the application will launch itself and open it.[code]...
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Oct 30, 2009
I am trying to remove the File Association I created in the Project properties tab 'Publish'/ 'Options'.I have tried deleting all the entries but is won't let me 'OK".Here is a picture of the evil dialogbox.
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Jun 3, 2010
ive got a custom archive type, which i have all the associations set to me application for, when the users double clicks these files i want them to auto import, but im a little stuck on my next step.[code]the tomove string would need to point at the file which was double clicked/ran, and the textbox1.text replaced with the file name of the file that was ran.[code]And the code runs, but i need to replace the "test" (previously it was textbox1.text) withthe name of the file which was ran, is that possible?
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Oct 27, 2011
[ First off, this is not really a VB question -- it's a Windows 7 question, but when I posted it on a forum for Windows, a Windows "Support Engineer" suggested that I post it here. So here goes ... ]I have an old custom program (written in VB6) that opens a custom file type, but requires a qualifier in the command prior to the file name, similar to this:
myprogram.exe /i "myfile.seo"
The "/i" stands for "input file".
Back in Windows XP, I was able to make some very detailed changes to the file association for the ".SEO" file type, so that the "Open" action could contain this command:
myprogram.exe /i "%1"
The result was that I could click on any .SEO file and the filename would be substituted into the above command, in place of the %1. This did exactly what I needed.I have been unable to find a way to insert the command-qualifier "/i" into the file association in Windows 7.For a specific .SEO file, I can create a .BAT file, but that's a very limited 'solution'.
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Nov 2, 2011
I want to create my own extension without changing my registry file. I have a VB.NET project and I firstly want to create my own extension like ".abc" afterwards if there is any file like xxxxxx.abc when a person try to open this file I want windows to startup my project and open that file.
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Jun 19, 2010
I have a very simple HTML reader for reading offline documents, and works very well when open using the menu. What do I need to do to get the reader to display the document I selected using by doing a double-click on the document name? The application will load, but the WebBrowser control stays blank. There's not a lot of code in the program so I will list it below.
Dim fName As String
Private Sub OpenToolStripMenu_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles OpenToolStripMenu.Click
OpenFileDialog1.Filter = "HTML Files|*.html"
OpenFileDialog1.FilterIndex = 1
[Code] .....
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Jul 24, 2010
I have an application that has a tabcontrol to handle multiple documents, just like Notepad++. And I also have file association working correctly with it.All I want to do is to make it open the double-clicked file onto a new "codetab" instead of creating a new instance of the program just to open a file.
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Jun 13, 2010
Before I start, I'm not 100% sure this is the right place to ask. Okey, so I'm making my own Notepad, which will contain newer features. (Private use only though) One of them being tab control.
Now I want the program to be in the "Open With..." menus for all files, so I can choose myself.
And if the program is already running when user opens a new file, I want the text to appear in a new tab, instead of a new window of the program.
I tryed to be straight forward, and keep it short. So if you need more info, fell free to ask.
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Mar 13, 2011
I have tried to do this before with a custom file type for a text editor. I barely got it to work... and now I can't even find those files. Now I just want for when I make my NSIS Setup that the file association can allow the mp3 player to play the files when the file itself is double clicked.
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Mar 2, 2009
I am using Process.Start(fileName) to let Windows open certain files outside of my application with their 'default application'.If "fileName" for example is a ".txt" file, it opens the file in Notepad. If it is a folder, it opens windows explorer with that folder selected.This all seems to work well, except when the user enters a file that has no application 'linked' to it.(a file that has no file associations)I have wrapped the Process. Start() in a Try/Catch block so that any errors are caught and displayed.When I now open a file without any file associations (windows does not know with which application to open it) it tells me that it cannot find any application to open it with. (The exact error is in dutch so I don't think that's going to be much help here, but I think it's clear what's happening, no?)What I would like to happen in this case is that the windows "Open With" dialog comes up, asking the user to select an application to open the file with. Now it just displays the error message and continues, making it impossible for the user to open the file unless he browses to the file manually and sets up the file association, something many users probably don't know how to do.
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Dec 19, 2010
know how to create a custom file association ( a custom extension ) in VB .Net and how to open it on the application
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Jun 24, 2010
When a user clicks on the add button I do this:-oledrTest = oledstest.tables(0).newrowOn the save I need to know whether they have clicked on the add button or the edit button. In the passed I have set a variable to 1 for add and 2 for edit and on the save if its a 1 I do oledstest.tables(0).add(oledrtest).
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Mar 2, 2009
I'm making a program to detect polygon intersections, and it's all set up. I just need to know... how do you determine whether a region is of size zero?
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Feb 27, 2009
I have a form with several databound controls. Certain users will be able to change the data in these fields. Is there a way to check whether the data in any databound control has changed? I would like to do this so that I can enable an UPDATE button and flag a warning to the user that they must save their changes.
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Sep 24, 2009
I just want to make sure if the UDP sent was received successfully, what could be some methods to do such? Its just for chatting on a local network.
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Feb 11, 2010
Is there a way to determine whether processes have been opened or closed during a given time frame? I'm working on code that will take an initial copy of your processes list, and then based on a timer, continue to take copies, which will compared to the initial processes list to determine which processes have been opened or closed until the timer ends. I'm capturing the processes list's in an Array list.
Dim processesList As String //Initial processes list
Dim processActivity As String //Opened or Closed processes
Dim processesAtStart As New ArrayList // Initial processes as ArrayList (To Compare)
Dim processesCheck As New ArrayList // Latest processes as ArrayList (To Compare)
[code]....
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Mar 13, 2010
I have created an application which asks the user to enter password to login.Now how can i inform the user(if his caps button is on) that his caps button is on while he is entering his password?
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Apr 19, 2011
how to calculate the association with a database, containing two tables the first table price, and the second table of the goods, and the program in the language of Visual Studio 2010 Professional, using the Access database or sql no matter, the question is: How do I make the program take values from the table price, and calculates the cost of living depending on the equation Stored in the database??
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Apr 26, 2010
I wrote some code to share files throughout my network. The thing is that i don't understand how to determine how much the client has sent already and how much is left. I have posted my code below so you guys can see what I'm talking about.[code]...
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Aug 9, 2010
I'm using the coding below to determin if a certain file exists on the hdd. However there is an error on this line: If FileExists("C:myfile.txt"))="False" then msgbox "False"
it gives me the following error message:End of statement expected.
what am I doing wrong?
[Code]...
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Apr 28, 2012
I want to scan a directory and see what files are NOT bmp image files. As the file extension can lie I need to interrogate the file itself. I found some code here [url]...?ID=112 that does exactly this however it was written for VB5 and is 13 years out of date! I tried compiling it however VB 2010 baulked and I don't have the expertise to make it work.
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Jun 13, 2011
When scanning a data file of this kind of form:
21/02/11 11:00:23, true, false
22/02/11 02:03:43 AM, true, false
22/03/11, false, false
2011-05-21T12:30:20, true, true
The 2nd and 3rd row are not important. How can you, by scanning a file, determine if a row comprises of dates, particularly when they have inconsistent formats? In the example above, for instance:
1) 1st line is date and time
2) 2nd line is date and time but also AM/PM
3) 3rd line is only date
4) 4th line is GMT format.
I'm not requesting code, but perhaps an algorithm or some guidelines on how to achieve this.
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Jul 31, 2009
How can I programatically determine if a file with a certain extension (XLS, for example) is really an Excel file and not a VBS file, for example, that has the XLS extension?
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