IDE - Upgrade To 2010 Projects Referencing A Class Library Targeting A Different Framework Fail To Build
Aug 18, 2010
Say I have a Framework 4.0 project that is referencing a class library targeting 3.5. The project will simply not build. It won't give me any valid error message it will just act as though the reference does not exist.
Projects that were working like this in Visual Studio 2008 are no longer working in 2010. Took me forever to figure out what there error is. If I remove the project reference and add it back the intellisense lights up and you can tell a variable referenced in the class library is found. But as soon as you build the project everything is lost. My using statements get underlined, references to the variable all turn grey and project fails to build saying the class cannot be found. Once I make the class library 4.0 as well everything builds. I get the same issue between 4.0 client profile and 4.0 as well.
I'm working on a legacy vb.net application that does most of its work using inline code ( Within that script I need to access functions from a third party .net dll. The dll(s) themself are stored in the GAC. Before I started the page looked something like the following
I am running Windows 7 eval. copy and have been for months. It's great. I saw that the Beta on Visual Studios 2010 and decided to make the jump from Visual Studios 6. I watched all the MS videos on upgrading from VBP to Net and downloaded all of the upgrade programs and advisors. The programs I need to migrate require only minor changes. The video shows Visual Studios 2005 upgrading a VB6 Project because the upgrade wizard intercepts the open and upgrades the file. There are several problems:
1. It appears the VS2010 and VB2010 do not have this capability
2. Running Windows 7, VS2005 and the Associated framework will not load correctly
3.VB2005 does not load correctly
4.The upgrade msi will not load because the specified framework version is not loaded. Apparently it does not recognize Framework 4.
5. So I cannot migrate my VB6 programs to NET using VS/VB 2010. My only solution is to build up another system with XP and do the migration on that system.
So my basic question is do I have to build another system or is there something I am missing about VS2010? Does it have the capability to migrate VB6 programs like VS2005?
I've been poking around in some projects written by one of our contractors, and he seems to be storing a lot of settings in the main "app.config" file for the application, using, for example:
<add key="SomeClass/SomeValue" value="False"/> And then referencing the key value in the "SomeClass" class in "SomeProjectLibrary" using ConfigurationManager.AppSettings.Get("SomeClass/SomeValue")
While this works, I guess, it also pretty much sucks. I was wondering if anyone knew of some more elegant way of creating variables in the "app.config" file, which could then be used across various applications within a Solution?
I am currently working on an application that is about 90% finished, and we just got an addition that requires us to create a new project in the solution. My question is, I have a bunch of classes created in the main project that deal with the database, and it has a lot of functionality that I could really use in this other project.
I've got a project folder which contains all my forms and another project folder where I keep my classes. The forms folder references the classes folder.I can reference the classes folder from the forms folder alright but I have problems when I try to reference a form from a class. For example, if I pass one of my form objects to a class, the class doesn't recognize its type.VB doesn't allow circular referencing so how can I get around this ?
I've got a StartUp project (StartupProjectA) in Visual Studio that references projects A, B and C. I've got all of those in SolutionA.My predecessor has previously added this solution to SourceSafe so that there's a SolutionA folder in SourceSafe, containing a StartupProjectA folder, and A folder, a B folder and a C folder.
It turns out, though, that StartupProjectB and StartupProjectC all live in the same directory as StartupProjectA on the local machine, so on the PC I'm using I have a [GeneralSolution] folder which contains a StartupProjectA folder, a StartupProjectB folder, a StartupProjectC folder, and A folder, a B folder and a C folder.My question is what do I do to get the Solutions for StartupProjectB and StartupProjectC into SourceSafe? I've tried adding them, but they all create their own copies of folders A, B and C. What have I missed?
I'm trying to use the Visual Studio SourceSafe integration to get these solutions into SourceSafe. Doing so creates multiple redundant copies of A, B and C. I would like to have one folder in SourceSafe, containing SPA, SPB, SPC, A, B and C folders. I'm not really sure how to do this, because I can only add entire Solutions to SourceSafe via Visual Studio. There's no option that I can see for "Add this folder to SourceSafe and recognise that these other three folders are already referenced in the repository and so don't need to be added."
Is there a way that I can include code or other files from other projects WITHOUT referencing them? I am trying to combine our projects into 1 EXE without DLLs. I do not want to use a self extracting EXE either. Let me know if there is a way to do it similar to the C++ #Include.
If I create a DLL using VB 2010 express can it be used by previous versions of of .Net (3.5, 2.0)? Will the DLL use .Net 4.0 components, which is what I want. I don't see a way to force that to be the case.
I'm creating a dll (class library project) file for an OCX. I have an OCX (not Active X, just normal ocx and no need to put on form in order to use it.) which I normally call it from normal windows project's code behind. However, in order to use this OCX, I need to install one software and register with the correct license key.
I am using visual studio 2010 and tried to create a class library which I then use in an application that will create tasks using the TaskFactory and execute the class functions from the newly created class library. However I get the instance not defined errors in the application.
CLASS LIBRARY: Assembly Name: GPStream Root namespace: TFStream Project with different classes: GPStream: gStream.vb, [Code] .....
I do have it added as a reference. Class library: Assembly name GPStream, Root Namespace GPStream Project name GPStream, Main Class gStream
I've just finished installing VS2010 on my computer. I have a project I built in 2003 that I'm trying to open in 2010. It went through the conversion process and generated this error: System.SystemException - The type library importer encountered an error during type verification. Try importing without class members. : System.MissingMethodException - Method not found: 'Void
I was wondering is it possible to put forms into a class library project and if so could I use those forms as an mdi child from my main forms app?A bit behind what I am trying to do:I am creating a game which is essentially going to have its own 'operating system' As the user progresses in the game they can 'install' new software into their operating system.I have my 'Desktop' that is an MDI Parent and what I want the users to be able to do it when they have purchased a new bit of software (also in game) the game will connect to my central server download a dll and place it in a directory, that is essentially installing the new bit of software and the game will then pick up that dll and add a new button the Programs list and when the user clicks on that software in the Programs list it will launch the form in the Class Library as an MDI Child of the 'desktop
I've created a class library and it's shared by several projects I'm working on.
I added a reference to the DLL - but it appears to have copied it locally - and that's causing problems when I modify the class library. Seems I have to drop the reference and re-add it.
I'm seeing info on the web about adding a PROJECT REFERENCE but can't seem to get that to work.
What is the best method of sharing a class library with several other projects.
Actually - should all my projects be in one SOLUTION? Is that preferred.
It will be 5 projects all working with the same class library...
I have a VS2010 solution (upgraded) that has two projects, an EXE and a DLL. In both the Target framework versions are 4.0. When one look at the references of the EXE project, one can see that the System.dll (and System.Core.dll and so for) references to the v4 version (the latest); however, in the DLL project the references points to the .Net Framework v2 version. Why is this happening? How can I make all my projects to point to the v4 libraries?
I'm trying to create a DLL with some useful methods and subs for my use. But when I tried declaring an object for Form or using the keyword Screen, Bitmap, etc.. gives an error saying that "The type 'Screen' is not defined" and like that..
In one of my applications, I decided to make a separate project for a few general classes. However, it started to give me tons of errors that I am having a difficult time figuring out.
I'm using a C# "API wrapper" library for a program connection. It's been working fine, but when I started to use it I believe I just expanded an already existing test project, so I'm not sure how to now link the library to a project from scratch. [code]...
I have been working in GIS development for around 10 months now. I have been doing all the development in Javascript. I now want to build some GIS based vb.net projects!
I have a Visual Basic Class Library project. It generates a DLL. Is there a method to generate a static .LIB to which I can do a static link?Alternatively, can I do a static link against a DLL?
What it is the option Enable application framework that I found in Visual Studio under VB.NET WPF projects Application settings?I found it enabled by default and the "Shutdown mode" configured as "On last windows close". But for me is not really clear what does it mean that setting and also the other settings listed in that combo box.
I am currently developing a Windows service and I am am looking to use MEF to compose all of the services components at run time. The data access module (project) is using Entity Framework 4.1 and a Domain Service Class to perform CRUD operations on the entity model.
The problem I have is how to share the models outside the DAL project when composing the DAL into the worker class in the main project.
For exmaple this is one of the methods in the DAL contract interface
Function GetInspectionFaults() As IQueryable(Of InspectionFault)
This interface is currently in the DAL project (not the shared/referenced project containing the other contract interfaces) as it needs references to the entity model for the POCO types.
I work for a small company and we are planning to build our own framework using .net . For example if a dropdown is placed in the form and set the custom property to Users, then the users list from db from has to populate. The developer will drag and drop the custom control and set the connection string in config file. Other things are to be managed by the framework.
bare with me during this silly example. :-) Let's say I have a class like this:
Public Class Animal Public iLegs as int32 ' Number of legs Public bWings as Boolean ' Wings? Yes/No End Class
And another class that inherits the "Animal" class and adds one more property:
Public Class ScaryAnimal Inherits Animal Public iScariness as int32 ' 0-100, how scary is it? End Class
Now, if I have an instance of "Animal" with some values in it, and I decide I want to cast it to a ScaryAnimal for some reason, how do I do that without having to create a new instance of "ScaryAnimal" and copy each property value?Basically I'm looking for a way to do this, without having to write the lines marked with '*** below:
I am trying to publish my application. While trying to publish it, I received a publish failed message. So, I tried to build to get more description on whats going on and this is the error I received: [code] Is there any way I can fix this? If not, what are some compiler's I could use to get this thing published?
The company has been using Visual Studio 2008 and .NET Framework 2.0 for approximately 2 years. During that time we released several versions (4.x.x) of our program to the public and were able to preserve the user's settings using My.Settings.Upgrade.During the past development cycle we upgraded the program to Visual Studio 2010 and .NET Framework 4.0 and changed the version to 5.x.x. Now, when a user upgrades from 4.x.x to 5.x.x they lose all of their settings.However, in all upgrades after that point (ie 5.0 to 5.1) all the user's settings are once again preserved.I checked C:Documents and Settings<USER_NAME>Local SettingsApplication DataCompanyName and it contains two directories:
ApplicationName_Url_aaa ApplicationName_Url_bbb
where aaa and bbb are 32 character strings. All of the user.config files for the 4.x.x releases can be found in the ApplicationName_ Url_aaa directory. All of the user.config files for the 5.x.x releases can be found in the ApplicationName_Url_bbb directory.Based on this information it seems like something changed when we converted our program to VS2010 and Framework4 that is now causing a different 32 character string to be generated. However, we have been unable to track it down.
