Error : A Project With A Output Type Of Class Library Cannot Be Started Directly

Feb 18, 2010

I have downloaded the attached code from codeproject site, i'm new in vb.net, i have some background knowledge in vb6. when i try to run the code the following error message is diplayed:"A project with a output type of class library cannot be started directly"

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Error - A Project With An Output Type Of Class Library Cannot Be Started Directly

Jan 11, 2008

How do I reference the library project when I get this error?

"A project with an output type of class library cannot be started directly In Order to debug this project, add an executable project to this solution which references this library project. Set the executable project as the startup project."

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User Control - Get An Error Message:"A Project With An Output Type Of Class Library Cannot Be Started Directly."?

Jun 16, 2010

I created a simple user control and everything went fine.Then I created another of the same control (as a different project) from scratch (creating the controls in a different configuration; but pasting code from the previous one from a text file).As far as I know I did everything the same for creating a user controlCreate a Class Library project Then Project>Add New Item> User Control Then delete the initial class that was added automatically (usually named Class1.vb) Put all of my code and components into the user control class.However, when I wanted to run it in the debugger as I did in the previous project, I now get an error message:"A project with an Output Type of Class Library cannot be started directly."

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Upgrade From 2003 To 2010 Error "System.SystemException - The Type Library Importer Encountered An Error During Type Verification"

Aug 25, 2011

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

[Code]...

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Class Library Project With A Config File?

Jan 19, 2012

I have a Class Library project with a appSettings.config file included into the project. The file is not embedded. So I have a ClassLibrary.dll with a appSettings.config beside in the bin.I have another project which is a Web Service. It has a reference on ClassLibrary.dll with a Copy Local=true. When I build the Web Service, the ClassLibrary.dll is brought into the bin of the Web Service. However, the .config doesn't follow.Do I need to do some postbuild event to copy the .config file or there is another setting I can set?

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Create A Class Library Project Is That A COM Component?

Feb 7, 2012

I hear COM here and there and I want to know is COM and a COM dll the same thing, and most important: when I create a Class library project is that a COM component?

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Passing Variables From One Project To Class Library

Mar 10, 2009

How to pass a variable in one project to dll in vb.net

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VS 2008 - Adding Class Library To My Project

Aug 8, 2009

I have a class library called Encrypt.dll that I added to my project (that class encrypts strings..). I have a problem that when I drag the app out of the Release folder, it crashes, giving me this error:Could not load file or assembly 'Encryption_Class, Version=1.0.0.0...' or one of its dependencies. The system cannot find the file specified.What am I doing wrong?I added it from the Reference tab->Add->Encrypt.dll

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VS 2008 Create A Class Library In C# And Then Use That Dll In A .net Project?

Dec 30, 2009

I know you can create a class library in C#.NET and then use that dll in a vb.net project and everything is just peachy. But can you use C++.NET and VB.NET/C#.NET in that manner?

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VS 2010 Forms In Class Library Project?

Jun 17, 2011

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

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VS 2010 How To Add A Project Reference To A Class Library

Feb 23, 2012

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...

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DLLs - Error "newForm1 Cannot Expose Type 'form1' Outside The Project Through Class GlobalData"

Feb 18, 2010

For a test scenario I have a dll project. In the project I have 1 generic class 'GlobalData' and 1 form 'form1' in the generic class I would like to make a public shared newForm1 as new form1 the line of code I'm trying is: Public shared newForm1 as new form1 I get the error newForm1 cannot expose type 'form1' outside the project through class 'GlobalData'. I really need to be able to make a public shared reference to form1. Any way to get around this? Background as to why I need to do this: I have several projects that need to use Form1 as a mdi child. I would like to just update the dll and not have to go back and update the same form in 50 projects.

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Splash Screen When App Type: Class Library

Sep 17, 2010

I have an .net app that I created using visual studio 2005 and it also incorporates an autocad .api; therefore, in the project properties, under the application type, I have it listed as a class library.

I'd like to see if I can incorporate a splash screen; however, all the material i read indicates that I need to set the application type as a windows app in order to set the splash screen as the startup form.

I was able to tell the form to load...with out the use of this setting; however, I don't know how to tell the screen to only display for x amount of time. The example code suggests that i create an OnInitializer method by loading the app events..which i'm unable to do.

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Change Connection String In Class Library Project?

Jun 30, 2011

In my earlier project I was able to change the connection string during the app settings loaded event and it was successfully. When I try to do the same for a code library project, I am not getting the system.configuration.connectionstringsettings to work. Could you please tell if there is a work around for this, or else it is always better to write the sql code instead of depending on the adapters etc.

Additional information: Clients App is WPF with Vb. Database is SQL Server 2008 Code Lib would only be on server, slq connectiona and data retrieving and saving actions are stored in classes in code lib only. Code Lib would be used with WCF, wcf is used to share the classes only and classes have the data. WCF is hosted as a windows service on server used by NET.TCP

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Custom Button Works If In Project But Not If In Class Library?

May 9, 2012

I'm working on a windows form project where the first form displays a menu list made up of custom textbox controls. When the user navigates to a textbox and presses enter the underlying code runs another form and hides the menu form. The form to run and the navigations sequence is controlled by properties I added to the custom textbox. I have done the same with a custom button. Both custom control inherit from their respective Windows.forms controls.

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VS 2010 Class Library Project - Tons Of Errors

Oct 22, 2010

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.

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CodeDom - Change The Type Of Output Project?

Dec 17, 2009

I know that I can launch activate/Use functions in assemblies that I have created, but can I start subs? and If so could I start Sub Main from an Assemble? What I mean is I want to run the created program in memory from a sub main and I dont know how .

My other question is how can I change the type of output project? So from a console app to a Windows Form app? ( I am no longer talking about using the assembly dynamicly this is more about creating the physical exe as what I want it as.

I know that they are the Compiler options command line but is it the same as the ones that Visual studio use when compiling? (The ones you see in the out put window)

This one:

CODE:

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Deploy A 2008 Express Class Library Project (addin Dll)?

Mar 16, 2009

I'm not sure if this is the right forum or not but...I've written my first VB.NET 2008 Express Class Library project (addin dll) and now I need to deploy it. I see Windows Form Applications have a Publsh tab (ClickOnce) in the project properties window but my class library project does not. How do I deploy a VB.NET 2008 Express Class Library project?

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Unable To Access AppSettings From App.Config In A Class Library Project

Mar 1, 2012

I am trying to access appSettings using the following syntax and I have used it before in my many website projects but not in a class library project. In this class library project I cannot even access the AppSettings Keys. Is there any way I could access the AppSettings Key from my class? Is the class library project's app.config or project structure behave in a different way?

[Code]...

I have already added Project Reference to System.Configuration and imported in my class. When I run my code it says, "Object not set to an instance of any object".

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Xml - C# Class Library Method Summaries Not Showing In Intellisense Of .net Project?

Dec 19, 2010

(VS 2008)I'm using a C# library for my VB.NET project. And the method summary/notes or what they are called do not show in intellisense. Is this supposed to be like that? Or is there something I must do to fix it? And if not, will VS 2010 be able to do this?

EDIT: Still unresolved. Now building library dll + xml file, but how to import the xml file in my vb project?
See image: [URL]...

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Server Path - Added New Project Class Library To Make Dll File

Jun 14, 2009

I am just added new project class library to make dll file. when i write the first line i got this problem

Dim objStreamReader
As
New
StreamReader(Server.MapPath("TextFile.txt"))

name 'server' is not declared

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Prevent The Class Library's Files From Being Opened During Main Project's Debug Mode?

Jan 24, 2009

I made a Class Library project that contains the main classes that my Main Project needs because I don't want to main classes when I distribute my project. I've successfully called and used it in my Main Project. But when I started debugging and stepping through my code which involves calling and using the class I wrote in my Class Library, I noticed that the class' file in my Class Library opens up during debug mode.

how can I prevent the Class Library's files from being opened during my Main Project's debug mode?

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VB - How To Use Dll - Project Class Library, Named It MyFirstDll And Made A Public Shared Sub HelloDll

Apr 21, 2012

I am just testing how to use dll and after googling a lot, I made it work partially...Created new project Class Library, named it myFirstDll and made a Public Shared Sub helloDll to do something. Now since this is my first time, the dll is simply showing the input in a msgbox:

Public Shared Sub helloDll(ByVal msg As String)

If msg <> "" Then
MsgBox(msg, MsgBoxStyle.OkOnly, "WE HAVE SOME MSG")
Else
MsgBox(msg, MsgBoxStyle.OkOnly, "NO MSG")
End If

End Sub

After building the dll-file, I started a new project using normal windows forms, named it "useMyDll", I clicked Project -> Add Reference, and added my dll. The program file that I made needed a textbox and a button for using the dll:

Private Sub useDllButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles useDllButton1.Click
Dim msg As String = Nothing
msg = TextBox1.Text
myFirstDll.myFirstDLL.helloDll(msg) 'this will be in msgbox in dll-file
End Sub

And when running this I could write something in the textbox and a msgbox with that input would pop up. Really happy with that. My first attempt to make a dll and use it was very successful. Then I thought, what about running the dll from rundll32.exe? It would be handy to make a dll that could be run without my exe. After googling a long time, I tried to add a new button:

Private Sub useDllButton2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles useDllButton2.Click
'Now let us see if we can open it using rundll32.exe ?
Dim msg As String = Nothing
msg = TextBox1.Text

[CODE]...

Now the first button still works just fine, but the second button gives some error (translated to english would be) like "missing entry: helloDll" I also tried to open with command prompt, same result.

After googling again I read one place that you can't run a visual basic dll with rundll32.exe, so is this true? Or is there some way of doing it? I read one place that it works if you make the dll be "COM-Visible", but I don't really understand how to or what it means. I tried to open properties, clicked Assembly Information, and "Make assembly COM-Visible", but this doesn't change anything. Then I read somewhere that it has to be in a module to work. Could it be that I need to rewrite some codes and it would work, or would I have to start learning c++ in order to accomplish this?

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Compile Error: Can't Find Project Or Library

May 7, 2010

Does anyone able to advise on abovementioned error? Under Private Sub UserForm_

[Code]...

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Old Format Or Invalid Type Library Error In .net

Jan 9, 2008

Iam getting an error "Old format or invalid type library" when im running the .net application in systems(pc) having MS Office 2000 versions.and im not getting any errors for higher versions like 2002,2003 etc.This error im getting when exporting to Excel.And i tried the following link [URL] Then also im getting same error.

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Error Stating That SHDocVw.dll Isn't A Valid Type Library

Apr 25, 2011

Having trouble compiling when I have a reference to SHDocVw.

I've done some searching and found that tlbimp is the tool needed and to use my solutions key, however I am getting an error stating that SHDocVw.dll isn't a valid type library.

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Build Error - Cannot Find Wrapper Assembly For Type Library

Oct 20, 2010

A co-worker checked a very simple Visual Basic Visual Studio 2010 application into our version control system. When I checked it out and tried to build it I got the weird error below, which I am guessing has something to do with which .Net Framework the build is targetted towards and also which Framework I have installed.

------ Build started: Project: VB-DEER10, Configuration: Debug Any CPU ------
Build started 10/20/2010 3:35:57 PM.
C:WINDOWSMicrosoft.NETFrameworkv4.0.30319Microsoft.Common.targets(1558,9): warning MSB3283: Cannot find wrapper assembly for type library "Microsoft.StdFormat".
Build FAILED.
Time Elapsed 00:00:00.15
Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped

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Error: Old Format Or Invalid Type Library. (Exception From HRESULT: 0x80028018 (TYPE_E_INVDATAREAD))

Mar 27, 2012

I had a working program a while ago, but now it is giving me an error when I try to insert some data to my Excel-file.I get this error: Old format or invalid type library. (Exception from HRESULT: 0x80028018 (TYPE_E_INVDATAREAD)) For example, one of my Excel referencing codes is:

Dim XL_App As New Excel.Application
Dim XL_WB As Excel.Workbook = XL_App.Workbooks.Open("C:Program FilesIAAExcelitTuntilappu.xls", , True)
Dim XL_WS1 As Excel.Worksheet = XL_WB.Worksheets(1)

The above code used to work, but now it gives me the error...I recently updated my Office from 2003 to 2010. How can I fix it?

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VS 2005 : Error In Opening An Excel File : Old Format Or Invalid Type Library

Feb 24, 2012

I am trying to open an Excel file using the following commands:

xlsWB = xlsApp.Workbooks.Open(filename, , True)

where 'filename' is the name of the file.However I am getting the following error message:

Message = "Old format or invalid type library. (Exception from HRESULT: 0x80028018 (TYPE_E_INVDATAREAD))"

I originally developed an application where I used the above code with default language setting of "English" (under regional and language settings). When I am changing the language setting to "French", the above errror comes up. I am changing the language setting to French in order to simulate an error when this application is run in a French version computer.

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VS 2008 : Load Forms From A Class Library Project (.dll) Into New "menu Application"?

Apr 8, 2011

I have a class library project (.dll) which contains a couple of forms.I now have a new project that would be the Client.

1) How do I load the forms from the dll into this project at runtime?

2) How do I set the client to be the MDiParent of the forms that will be opened from the dll?

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