Reference A Dll With Copy Local = False
May 28, 2009
I have a VB.NET project which references a dll of another program. dll file location is something like "C:Program FilesAppNameAppName.dll" and on my project's references tab the dll's path shows this. When the copy local property is true, everythings works fine. When it is false, I get a runtime error saying dll cannot be found. The other program is a restricted access application and I can not distribute the dll with my project. How can I force my project to look for dll under "C:ProgramFilesAppName"? I didn't have this issue with VB6.0.
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Jan 11, 2010
Is there a way to default the Copy Local property of references that I add to my projects? I figure there has to be some sort of method since adding a reference to a VB componentdefaults to False. (for example, start a project as a class library and then adda reference to System.Windows.Forms, it will default Copy Local False.) Is that somethingin the DLL's settings or configuration that I could replicate in my DLLs to force that
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Feb 3, 2011
I've created a Class Library with a Class named Class1 with this source:
Public Class Class1<br/>
Public Function Hello(ByVal name As String) As String<br/>
Return String.Format("Hello, {0}!", name)<br/>
[code].....
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Jan 26, 2010
Can I reference a dll programatically in VB.net? Or change the Local Copy path for a dll reference?
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Sep 15, 2009
is this safe (I know it works, but is it safe)? Is it returning a reference to a local variable, wich falls out of scope as soon as the function returns?
Public
Function myfunc() As String
Dim strXml As String
[code]....
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May 16, 2012
I have an application that that uses process.start. It works fine on my development machine...but not on an installed machine....at least not for a local file. The following illustrates my problem...the reference to the url works fine and every time. However, the reference to the local file may work the First time but on any following attempts will close the application with a WindowsApplication1 error. Since it can find the file occasionally it is not a file problem.
[Code]....
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Nov 17, 2010
How does the GC dispose objects created in the following 2 scenarios?
1)
Private Function DoSomething() As Boolean
Return New DatabaseManager().Insert()
End Function
2)
Private Function DoSomething() As Boolean
Dim mngr As New DatabaseManager()
Return mngr.Insert()
End Function
In Option 1, I don't create local variable to hold the reference of the object. In Option 2, I hold the reference in local variable.What option is better and why? (if any)
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Apr 28, 2011
I have a web url for the image. per example [URL]. I want copy that url in my local folder in "c:images" and also when I copy that file into folde I have rename the image to "c:imagesxyz.jpg".
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Jun 16, 2009
I have a text file on a website that I have the direct URL address to. For example, http://www.example.com/thisFile.txt .
I would like to copy it to a predefined path on the local machine. For example, C:Documents and SettingsAll Users .
What can I use to copy the file from the URL to the predefined path on the local machine. A simple CopyFile doesn't seem to handle URL addresses.
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Jun 21, 2010
I want to copy a file from a UNC path (ex: \comnamedirnamefilename.txt) to a local destination (c:outputdir)
I have no compile errors, but when I run it, it throws an exception (System.IO.DirectoryNotFoundException). I'm absolutely sure the destination existst (it's referencing the destination directory). I've tried doing it with system.io.file.copy(source,dest)and my.computer.filesystem.copyfile(source,dest). Same result either way.
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Sep 19, 2011
what is the best approach in VB.NET to get the entire table from the Ms SQL 2008 R2 database and save it in the program (dynamic?) array or something which is easy to translate into bytes and send to other device via socket communication?
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Dec 8, 2011
I can reference the local (generic) data directory for an SQL file as follows:
Dim
T01Database As SqlCeConnection =
New SqlCeConnection("Data
Source=|DataDirectory|Test File.sdf")
I get a "file not found" error when trying the same syntax for referencing an Excel file:
Dim
T01Workbook As Microsoft.Office.Interop.Excel.Workbook
= T01Application.Workbooks.Open("|Data Directory|Test File.xlsx"
)
correct syntax for referencing an Excel file in this manner?
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Feb 15, 2009
We have an app that tracks .DOC and .PDF files (and possibly other file extensions). It stores copies of them on a network share. I want to give the ability to the user to allow them to click the file in a listview, for example, and have that file open in WORD or ADOBE or whatever program is associated with that file type.
[Code]...
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Jul 20, 2010
We have upgraded our project from Visual Studio 2008 to Visual Studio 2010 without any issues until now. Our project contains a folder call Libraries which contains different versions of Oracle ODP.NET DLL's as well as different versions of Telerik DLL's. Our project contains references to one of the versions of each. The problem is once we remove the reference and re-add it by browsing to the new version, again inside the Libraries folder inside the project, it adds the reference, but to the same version we just removed. We can even copy the DLL to our desktop, remove the reference and add to the new one on our desktop and it still will point to the Libraries folder version???. The only we we can actual change the reference to the new DLL is by manually changing the path in the .vbproj file, which is obviously not going to work for us. The same behaviour worked perfectly in VS 2008. We switch our references quite often, when new versions come out, but also far more often to QA different versions of ODP.NET and Telerik Control DLL's, so manually editing the .vbproj file is becoming quickly cumbersome. If I browse to a specific version at a specific path, Visual Studio should ALWAYS do what I'm telling it to do..
I did some seaching and came across a few other people with the same issue. This better not be as designed and if it's a bug, which I believe it to be, when will it be fixed?[URL]..
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Jul 7, 2010
When I use:
File.Copy(strRemoteFolder, strLocalFolder)
I get an UnauthorizedAccessException with the following message: "Access to the path ... is denied."In .NET, how do I copy a file from a remote computer that requires authentication to my local machine? I understand that I'm going to need to supply a username and password in some fashion, but I don't know how to supply that information via an API in .NET.
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Jun 5, 2011
I have a program that must copy a file to 3 locations, the local hard disk, a USB drive, and a network location. I have the file (about 70mb) loaded into a byte array. My quesion is, since I'm not actively modifying the byte array, can I impliment a form of multithreading where all 3 threads read the same byte array at the same time?
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Jul 19, 2011
I am able to copy the complete online mysql database to the local ms access database, but the problem is that the local database needs to be emptied before the new data is being copied.And a progressbar needs to display the entire progress.Here is the code what I have now:
[Code]...
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Apr 8, 2010
I'm creating a WPF application in VB.NET with the 3.5 Framework. (If you provide an example in C#, that's perfectly fine.)
In my project I have a Template for an MS Access database. My desired behavior is that when the users clicks File-->New, they can create a new copy of this template, give it a filename, and save it to their local directory.
The database already has the tables and some starting data needed to interface with my application (a user-friendly data editor)
I'm thinking the approach is to include this "template.accdb" file as a resource in the project, and write it to a file somehow at runtime?
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May 27, 2009
I want to know how to connect to a remote system having some shared folder.(ex, \myservermysharedfolder).Actually, I was supposed to copy a particular file which is available in a shared location of a system. To copy that file, first i need to connect to that system with an user id and password.I know copying of file (), But not getting clear idea on how to connect to the shared folder. I have tried with System.Management class, but no use..
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Jul 19, 2011
I am able to copy the complete online mysql database to the local ms access database, but the problem is that the local database needs to be emptied before the new data is being copied. And a progressbar needs to display the entire progress. Here is the code what I have now:
Private Sub StartScreen1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim dt As New DataTable()
[Code].....
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Feb 1, 2010
How can I search the local disk for a file type and copy the full path to a new location. I am trying to write a backup program that will copy all pst files to the server while maitaining the structure, so if there is a pst located in "C:pstuserpersonal1.pst" it would create the folder "\serverpstuserpersonal1.pst" and copy the file to the correct location. I would need it to do this for each pst on the hard drive no matter the location. The user running the program will not have admin rights, so it will need to skip files it cannot access.
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Jan 12, 2010
I've got a class, lets call it Person, which needs to keep some data (in the form of another class which we will call PersonData) in one of its properties - the problem is that I will have several instances of this person class and they all need their own 'copy' of the data (just in memory, its not a file or anything).Hhow would I do this? At the moment because everything involved is a Reference type, I'm assuming that if I were to create 2 instances of my Person classes and assign the same instance of the PersonData class to their properties then when one Person class made a change to the PersonData it would be reflected in the other Person class right? How can I avoid that and make it so that they both have their own version of the data, without having to repeat the procedure that fetches the data in the first place?
I'll explain my exact situation just in case it helps, but this is more of a general question as I could probably get around it in this case by copying the byte array I receive from the server (hopefully that will make sense once you read the explanation below) :
In this case the data I am talking about copying is actually received from a server via TcpClient. The thing is, when the client requests the data from the server over the network, the server has to go off and query several other servers etc so I do not want to be requesting data from the server every single time as that would be a big waste of resources and time. So when a request is made and data is received back from the server, several of these Person class instances will be created (in reality, its a few different classes but that doesnt make a difference for this example) and each need to have access to the full data that the server has sent back but in some cases the Person instances might need to modify the data and this is where the problem appears as they will all be working on the same data.
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Mar 27, 2009
i have a user define object which i'm initializing with data from external datafiles.... the purpose of this object is to reduce the amount of disk/data access and processing required every time i need to add an instance of this object to a collection.so, whenever i add a copy of this object to a collection, i would simply reference the "base" object, and avoid having to process all the data and perform the conversion and so on...the issue is when i add the object
Collection.add(Base_Object, Key)
the collection ITEM is a Reference to the base object and not a copy.
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Oct 29, 2008
Lets assume that I code a DLL in .Net and I've added some items to the project (For example a picture, or an XML file that contains some kind of configuration for the DLL), and I set the "Copy to output directory" to be "Copy Always".
Now, what I wanted is that if I give my compiled DLL with the bunch of files that were added as items to it, then if someone ads a reference to the DLL in his project then on compile it will copy all files and not just the DLL.
Is it even possible (Some kind of configuration on Visual Studio maybe)?
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Apr 15, 2009
copy a form without getting Duplicate reference errors that you would have to fix.So This is what i did and i felt i should share it now that i figured it out
File > Export Template > Item Template > Select Form To Copy
Then
Solution Explorer > Right Click on project title > Add Item > Select Exported Template > Rename file > Add Item
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May 18, 2010
I build some dlls to be used in a big application, and have a team working in the dlls heart of the application and another team working in the GUI, but I am having a problems in the deployment of the dll's when a change is done, because the GUI team needs or copy the new dll to the project folder, or delete the old reference and add the new one. I am using Visual Studio 2008 and developing in VB and C#
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Aug 5, 2011
If I instantiate an object within a function in VB.NET and return it, does it return it be reference or by value. IE - should I be worried about performance if I write something like this:
Public Function ret_obj_func() As big_object
Dim ret_obj As New big_obj(<lots of stuff>)
Return ret_obj
End Function
If I call this function from somewhere else, will it instantiate the object in the ret_obj and then create a deep copy to pass back a copy to the caller, Or will it just pass back a reference?
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Apr 21, 2011
I have built a functionality where I want to back up the database - [Access]. Currently, its working but the user has to specify the file. I used a FileOpenDialog Box to get the file, saved it in a textbox and copied it to another directory. That works good. What I want now is the user doesnt have to know the lcoation of the Database. So, I just want to copy the Database File using the Configuration.Appsettings. He can specify the directory the file needs to be copied to. The Access DB is referenced as follows:
<connectionStrings>
<add name="TestCMS.My.MySettings.CMSConnectionString" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|CMS.mdb"
providerName="System.Data.OleDb" />
</connectionStrings>
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Dec 19, 2006
I need to copy a file from a local computer to a remote computer on the network, if i try to use File.Copy without logon i get the following error:"Logon failure: unknown user name or bad password."How do I provide user name and password for file copy?
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Oct 26, 2011
This is probably a really basic question - but I have a list of items (custom objects) being passed from one winform (.net 3.5) to another. I want to create a local list to store changes that only get persisted if the user clicks save. Currently if the user clicks cancel - the changes are still applied in the first form because I assume the objects are reference type.I have the save working as it calls a service layer to do the save and then refreshes the other form - but not the cancel.
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