Create File Associations In Program?
Jul 28, 2010
How would one go about associating a file type with his application? I know how to read the command line arguments but I am not sure how I can "register" the file extension with Windows. Furthermore, my application is a stand-alone executable, so how would I keep Windows up-to-date on the location of my program?
I did a fair amount of searching and all I could find were old articles that didn't explain everything. How can I create file associations to a stand-alone executable in VB.NET?
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Jun 6, 2010
I have a class IContact with various properties some of them being lists of other class objects. I have a public list of IContact. Can I write Contacts as List(Of IContact) to a file as opposed to a bunch of strings I then have to parse? I know visual studio has some data tools in the toolbox and a set of data classes, but I don't know how to use them or if they can help me write all this data to a single file.Second part of the question: I have associated .cms files with my program. But if a user opens the file, what code should the program run through in an attempt to deal with the file? This file is going to contain data that the program needs to read, how do I tell it to read a file when the program is opened vicariously because the file was opened?
I need to clarify these questions, I seem to have poor questions a lot of the time cause I don't get a lot of responses, and when I do get responses, they don't seem to answer my questions, I ask followup questions and then the thread will die after that usually..I seek not answers, but understanding, that I may not solve, but learn. What good is a fish without the skill to catch it?
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Aug 13, 2009
I have an MDI Windows Forms application (.net 2008) that allows the user to associate various file types with the application. I currently do this with a registry entry something like this, that causes the application to load and access the file name via the command line:[code...]
In the pre-.net version of the application, I used DDE (ddeexec in the registry). If an instance of the application was executing when a file was double-clicked in Windows Explorer, it would open the file without starting up a new instance of the application.
Now that DDE has been deprecated by Microsoft, what is the best way in .net for an executing MDI application to open an additional file when the file is double-clicked in Explorer, as opposed to starting a new instance of the application?
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Jul 21, 2011
I know there are allot of toppics about this subject, but i cannot find really what i need.
i need a file associations with settings.. so when you click for an example: "PC0210.config" it will start my program with some settings inside the "PC0210.config" File.
Lets say my program needs to give a message box with the PC name when you click the PC0210.config file.
that inside the PC0210.config file is something like: pcname="testPC"my program popsup with: testPC
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Jan 29, 2010
Under Project Properties, Publish, Publish Options, File Associations, you can set what file associations your project uses. What should I set for ProgID?
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Jul 26, 2010
I could find any results on file association. The only one that seemed to be straightforward was for a text file. I'm making a webbrowser. This is the code I was provided for a text file association:
Imports RegistryActions.FileAssociation
Public Class HelloForm
Private ftHello As New FileType(".Hello", "Hello", "Hello World Adjective File", "C:World.ico")
[code]....
How on earth do I make a file association for an html/htm file?
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Jan 21, 2011
My name is Stefan and i would like to know how can my app see that it was started up on a file-associated DoubleClick?I know how to associate the files using the "Registry" method and the "Publish" method.
[Code]...
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Jan 15, 2011
I was created ".cta" file for my project that file was loaded into my Richtextbox control so I created File associations option into registry all was done but I just double click that file in explorer, my application will run but that file was not loaded into my Richtextbox control. How can I do that...
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May 31, 2010
i have 8 new custom file types which go with my app, i can set them to open with me app easily using this code on a button:[code]But im a little stuck on what to change in that, ive made certain all my new extensions are unique and i have all my icons for each new file type made, i just need to be able to set them.
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Feb 21, 2009
How would that work? I can't find any documentation in the MSDN.you know how when you open a txt file it opens up notepad and loads the file? how does the whole 'loading the file' thing work in VB?
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Jul 25, 2009
I have my setup and deployment project is set to make the mailto: links refer to my program. It works with Firefox no problem. Internet Explorer complains that "Could not perform this operation because the default mail client is not properly installed." The mailto link shows as being associated to my program in the windows default programs thing.
My.Computer.Registry.ClassesRoot.CreateSubKey(".mailto").SetValue("", "SGA", Microsoft.Win32.RegistryValueKind.String)
My.Computer.Registry.ClassesRoot.CreateSubKey("SGA\shell\open\command").SetValue("", Application.ExecutablePath & " ""%l"" ", Microsoft.Win32.RegistryValueKind.String)
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Oct 25, 2009
I want my program to be able to create a '.txt' file when it is run for the first time, with the date and time the program was accessed, and to be able to add new 'logs' of program history every time it is accessed. What i mean is that i want my program to be able to create a '.txt' file, and then fill in the dates and times when the program is opened.
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Dec 28, 2009
How to create a dll file using Visual Basic.net ? I'm using MS Visual Studio 2008.
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Feb 19, 2009
I wanted to create a pdf file and write some repots in that using vb.net. This shld be created on click of a button. i have adobe reader in my machine. Is that enough to create a pdf file using vb.net? please help how to do this programming.
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Oct 25, 2009
In VB6, my program simply compile to a nice simple .exe file.
However, with vb.net there are things like whatever.vshost.exe, for example.
Then there is AxInterop.MSWinsockLib.dll and so on. Should I upload that into the directory of my customer?
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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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May 21, 2009
I want to create a program in vb .net that let me know who is using a specific file? Because I often update an .exe file but if it's in use I can't overwrite it. So if I know who is using the .exe I can call him to tell him o close the app.
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Aug 6, 2009
I was thinking about creating a program that creates an .exe file. (I know that that is very difficult but I have 3 days that I'm not sleeping because i'm thinkin about it)The program should create the .exe file on button clickThe created exe should be in Normal Windows State, it should have only a button that doesn't do anything and it's path should be C:UsersAdministratorDesktop
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May 12, 2010
how to create a own project file in my program?
Like my filetype is "*.test" and if i open it with my program my listview and other things will load info.
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Apr 23, 2011
I've made a program with visual basic and i want to get the textboxs text(textboxes 1-3) to go into the command : System.IO.File.Create("in here") I'v try the & method iand it dosent work
My code in the form is :
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim wholetext1 As String
[CODE]...............................
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Jul 16, 2010
I have been doing a lot of searching on the web and cant seem to find a clear way of creating a custom file extentsion. I know to associate the file extension to a certain program, but how do create a format for the custom file extension?
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Oct 23, 2009
I am trying to create a textfile if it doesn't exist or append text to it if exists in vb.net.
For some reason, though it is creating the text file I am getting error saying process cannot access file.
And when I run the program it is writing text but how can I make it write in new line.
Dim strFile As String = "C:ErrorLog_" & DateTime.Today.ToString("dd-MMM-yyyy") & ".txt"[code]...
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Nov 22, 2009
Its suppose to preview an inf file i create with the program
Code:
Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
If Not String.IsNullOrEmpty(TextBox1.Text) Then
[CODE]...
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Oct 25, 2009
I have been searching on the internet but couldn't find anything that would help me. I want my program to be able to create a '.txt' file when it is run for the first time, with the date and time the program was accessed, and to be able to add new 'logs' of program history every time it is accessed. What i mean is that i want my program to be able to create a '.txt' file, and then fill in the dates and times when the program is opened.
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Apr 24, 2009
I am woking on an application in which records of a table are stored in another table. In case of duplicate records they will not wriiten to the table and they should be written in a log file.
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May 10, 2009
I'm trying to create a program which reads a text file into an array.
[Code]...
But that's just silly so how can I fix this? Lines isn't being assigned a null value it's being assigned the first line of text in the file which has text in it so I'm confused.
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Dec 12, 2011
Can i create a structure file in vb.net in windows form ?
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Aug 9, 2010
I want to have a single table that represents a person and have a number of other tables (such as Student/Teacher) use the Person table to store information related to a person. Unfortunately the entity framework doesn't seem to like it when I try to add an association between the Student or Teacher class and I don't understand why. The Person table contains a column called ParentEntityID, which equals either a StudentEntityID or a TeacherEntityID. In an ideal world I would like to be able to reference the Person table by going Student.Person.FirstName instead of Student.Entity.Person1.FirstName. The error .Net returns when trying to connect the Student/Teacher table to the Person table is:
Error 3007: Problem in Mapping Fragments starting at lines 265, 289: Non-Primary-Key column(s) [ParentEntityID] are being mapped in both fragments to different conceptual side properties - data inconsistency is possible because the corresponding conceptual side properties can be independently modified.
The actual database I am working with is a bit more complicated and has a number of tables connected to the Entity table, which makes my object model pretty ambiguous and was hoping to be able to clean it up a bit by using the entity framework.I am using VB.Net 3.5 in a web application.
Update...In an attempt to internalize the different types of relationships I can form, I have been playing with this simple example and have come up with the following possibilities:And the reason why I cannot make an association between the Student and Address table is because that relationship is not enforced in the database. If I wanted an association between these two tables I would need to re-think the design of my database. Is that correct?
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Oct 5, 2009
I'm trying to create a "File Not Found" error to display if a file the program is looking for is not created.Example:
Dim ProcessProperties As New ProcessStartInfo
ProcessProperties.FileName = "filename"
ProcessProperties.WindowStyle = ProcessWindowStyle.Hidden[code].....
I also need help creating a text box, that will submit information to another source (like echoing to a command prompt window). I'm trying to add a killtask option where the user can enter the name of the tast (such as notepad.exe) and press 'Submit'. The button will then send a code (killtask -f notepad.exe) to a command prompt window.
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Jul 22, 2011
I make an application and make setup file using VS setup project. This work fine and create default text files into Program Files Folder for winodw 7/vista .but can not modify these files or create any new files.There are few text files need to create ,modify during application running ,but in windows 7/vista unable to create,modify files.I am using full default admin right for these OS. If iuse C: root path then application work fine or for win XP no problem.I think UAC restricting to perform these opeartion. But i do not know how to change these restriction using vb.net, whenever application start.
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