Class Module Which Is Shared Between The 2 Projects?
Mar 29, 2010
I have no idea what is going on here but it is strange to say the least.I created a new solution in VS2008Pro under windows 7 This solution has 2 projects one for the pc and one for a CE based device.There is one class module which is shared between the 2 projects.In VS2005 under xp this same basic project worked fine but here I am seeing error messages that appear out of no where.
Example the CE portion flags 3 lines initially 1 related to a file i.o function and 2 others related to socket methods. All three of these were supported in VS2005 using framework 2.0 which is the same framework I am using here. This is just the tip of the ice berg however.If I attempt to run the code it runs fine for the pc client and of course not for the CE device. If I make any kind of change, add a line, comment a line or just add a comment I get lots more errors with odd messages that are not even valid.
In one case after I saved it jumped from 3 errors to 30, in another case to 50 and yet another to 144 errors yet the only errors that were present were the original 3 that were flagged.The ide threw errors like Try Catch must end with matching End Try.Get no longer supported ' apparently referring to the binary file get but here it is used as the get portion of the property.Get must end with matching end get.It also started complaining about functions and data types.For example saying "an is not declared" pointing to the word Boolean Or telling me my functions are not declared point to only 1/2 of the function name.
I do not see any errors in the code and it reports no errors in VS2005 under XP.As a test I tryed adding a new property to the project after it was telling me there were 144 errors. I allowed the ide to do most of the work and when I hit enter the errors went back to 3. Then I saved the project and the errors went to 105 pointing first at the new property just created.
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Jan 3, 2012
I would like to know how can I have the same module in many different projects. The trick is that I want to be able to modify that module only in one place and still be used in all the projects.
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Mar 17, 2010
I want to replace the Public Declarations that I currently store in a Module with a Class.Currently in my Module I have a declaration like this:
Public SetPath As String = My.Computer.FileSystem.SpecialDirectories.MyDocuments
How do I get the same functionality from a Class?
Public Class Audits
Private _SetPath As String
Public Property SetPath() As String
[code]....
I know I can reference the SetPath in code by doing a Dim aud as New Audit so my question is this. Where is the correct place to put the
= My.Computer.FileSystem.SpecialDirectories.MyDocuments
And is this an good example of a member that should be shared? If so does both the Private and the Public need to be shared. I just started using Refactor Pro and it almost always is recommending that I make all members shared. Is there ever a good reason not to do so?
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Feb 17, 2010
In VB6 I always wrote my apps using Sub Main as the starting point. I see in .NET I'm able to wrap it in a shared class (see [URL] for example). However, the downside is that I can't declare any class-level variables, because of course the class is never instantiated. Being shared, it limits what the code can do. So, any benefit to use a shared class and shared sub main which I'm missing here.
Otherwise it seems using a module (as in VB6) provides a lot more flexibility. Of course, I should also ask if "Application Framework" is really the way to go for real-world apps, or if it's only there for beginners and real-world coders turn it off and use Sub Main instead? If so, how are the events "UnhandledException" and "NetworkAvailabilityChanged" done if App Framework is turned off?
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Feb 10, 2011
I can access a module from code behind but not from the aspx page in inline VB code <% ... %>.
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Nov 14, 2011
I'm currently refactoring an old Visual Basic DLL (VB.Net), which stores all of its data in one module called Globaldefinitions as public fields. There are about 200 fields, referenced thousands of times all around the code:
Public Module Globaldefinitons
Public a As Short
...
Public zz10 As Double
[Code]...
I need to change the module into a class with non-shared fields. This means, each and every of these thousands of references needs to reference the instance of that class:
globalDefinitionsInstance.a = 5
How do I go about this efficiently?
Regular expressions operating on the source fall flat. Refactoring tools like Re-Sharper or CodeRush don't seem to offer this functionality. Visual Studio 2010 cannot do it automatically either.
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Jun 4, 2010
I am trying to add shared members in derived classes and use that values in base classes...
I have base
class DBLayer
public shared function GetDetail(byval UIN as integer)
dim StrSql = string.format("select * from {0} where uin = {1}", tablename, uin)
end function
end class
[Code]..
currently there is error using the tablename variable of derived class in base class but i want to use it i dun know other techniques if other solutions are better then u can post it or u can say how can i make it work? confused...
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Oct 31, 2009
i have a module which i wish to import in several projects. is there anyway i could do this? the current method that i'm using is that i'm copying over several modules in all the projects i'm doing and if i had to change a single module i had to replace that module in all the projects, that is quite troublesome
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Sep 1, 2009
i started with 1 solution, 1 project a usual. Then i did it again, different project. Then, i wanted to have the 2 projects in 1 solution - so i copyed the project folder from solution 2 into the folder of solution 1 and added as existing project the project 2. So far so good.
Now i have a module with some public functions in project 2, that i want to use in project 1 as well. So i added to the solution a class module (some classes i want to share also) and i moved the module, (that i want to commonly use) into this class library. But it seems wrong - my application does not find the function again.
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Jan 29, 2011
Currently, I have a solution that contains two projects (ASP.net websites, FWIW). If I create a class in Project1, how do I expose it to Project2? Is it automatically available to Project2 because they are in the same solution? Or do I need to do something special to make the connection?
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Oct 26, 2005
Hi: How can I share the Main Module1 between projects? I have project1 in vb.net and contains Module1 (Sub Main of the application) project2 in C# in project2 I have a form1 class that contains a subroutines that need to reference 6 variables that are declared and instantiated in the project1 in the main Module1. Module1 at present is been compiled as Class Library, plus will be a reference of project2 and because I need this variables referenced from project1 it wont compile of course because they are not declared.
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Aug 6, 2011
I would love to use the following procedure to set the Title, keywords etc. of my pages, in a module.
Public Shared Sub SetTitle(ByVal Heading As String, ByVal Keywords As String())
Dim myMaster As Masterpage = DirectCast(Me.Master, Masterpage)
If Request.QueryString("lng") = "es" Then
[Code]....
The problem is that i get two errors.
At Me.Master i get the 'Me' is valid only within an instance method. error and at
If Request... i get the error
Cannot refer to an instance member of a class from within a shared method or shared member initializer without an explicit instance of the class.
So how do i fix these? I would like to have that procedure in a common place and not in every page.
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Jan 14, 2011
I seem to be drawing a blank. I'd like to create a "shared" variable that is shared with all instances of a class but not classes that inherit from it. For example.Class A: Shared list As New List(Of String): list.Add("A")
Class B Inherits A: list.Add("B")Class C Inherits B: list.Add("C")The end result I'd like is that any instance of A has just A in the list. Any instance of B has A and B in the list. Any instance of C has A, B, and C in the list. I can accomplish it by creating Instance variables, but I have to construct the list for each instance of a class. I'd like to construct it once for a specific point in the Hierarchy and then share it accross other instances of that class.
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Dec 29, 2010
This is another one of my "I think it's not possible but I need confirmation" questions.I have a base class for a bunch of child classes. Right now, this base class has a few common properties the children use, like Name. The base is an abstract class (MustInherit)Technically, this means that everytime a child class is instantiated, it lugs around, in memory, its own copy of Name. The thing is, Name is going to be a fixed value for all instances of a given child. I.e., Child1.Name will return "child_object1", and Child2.Name will return "child_object2".
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Nov 16, 2009
I' ve got a short question concerning BackgroundWorker.Is it possible to have the main code for the BGW in one class and the long process for the BGW (DoWork) in another class or module?
I couldn't find anything helpful on the internet.Here is my code - DoWork in a separate class doesn't work:
[Code]...
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Nov 13, 2009
What is a driver module, and how would I add a class and get the driver module to read from the class.
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May 27, 2010
I have encountered on my project that was due in 2 days ago. I have created a form that will not display correctly. Here is the assignment and what I need to accomplish. Major issue the display bill box.
[Code]...
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Apr 21, 2011
I have extended an Entity Framework 4 entity class with a calculated property in a partial class. This member is not available on the client to which the entities are exposed via WCF RIA Services.when using C# appears to be changing the extension of the partial class file from .cs to .shared.cs. I tried this with my VB.Net solution (.vb to .shared.vb) and got a long list of errors. I believe what happened is that the partial class lost its association with the entity on the client - it inherited from object rather than EntityObject.
My best guess is that this is related to the way that VB.Net handles namespaces.Each project has a 'Root Namespace' which is prepended to anything that is defined within a code file. C# has a 'Default Namespace'which is the namespace into which new types are placed by default - via a namespace statement within the file.The partial class is probably having the client namespace prepended to it which puts it into a different namespace than the entity with which it is associated on the server.Is there any means of extending an entity in such a way that those extensions are available on the client via WCF RIA Services and VB.Net?
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Jan 12, 2011
Some of my co-workers make extensive use of the VB.net concept of Modules. Unfortunately, I just don't 'get it'. I see no benefit in using modules over shared classes. When would it be preferable to use a module?
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Jun 17, 2012
Use a DLL rather than a module so that if I updated the DLL it would propagate over all the projects that used it. I want to create a library of functions and subroutines that may be used in many projects (such as my gradient and some error messages).
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Jul 24, 2011
How can create license for my Class library projects(dlls) or win apps?
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Apr 18, 2011
This is purely a coding practice question concerning VB.NET structures. Where do you keep one?As an example, I've created a structure for the simple purpose of keeping information organized, I'd like this structure to be stand-alone, not belonging to any class so I wouldn't have to access it through SomeClass.MyStructure but rather simply MyStructure. So, do I keep it in a separate class and import it into my namespace? Do I keep it in a module (Static class, essentially)? Do I just make a separate VB.NET code file and place is there (I would like it to live in a separate file). Just to clarify, I need this structure to be accesses by the whole application, not just a single class.
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Mar 6, 2009
I'm working on a program that I have 90% finish.Its basically validates certain information such as credit card, telephone numbers, name etc...
Im trying to create a separate class 'IsValid'to figure out if the creditcard number is valid (is equal to 12 characters only).
This will be initiated with a "Validate button".I know how to do this in the mainform just using an If statement.
But I'm trying to figure out how to valid date this and return it to the form and possibly change cardnumber.forecolor = color.red
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Sep 6, 2010
Recently i studied about Module and i think it is a Shared Class and all its members are Shared by default and we can not change that. I have query that is it doing something special that a class can not do ? I have just tried with a simple example and found that classes even do a Module's job.Below is my code:
[Code]...
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Aug 6, 2011
I got a problem with this piece of [code]...
The problem is that i want to move the >>dim dataLoad...<< to a different file (a config file), but when i move it, i get bunch of errors. And i do call the class/module but still it wont work.
Also the other question is how to download multiple files from a server, so when they are downloaded they stay/ are placed in the corresponding folder.
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Sep 11, 2011
I am using Joe Mayo's book Visual Studio 2010 A beginners guide and in it he suggests that the default Module Module1 should be replaced with a Class and that it was a hold over from previous versions of VS. How can I change VS's behavior so it defaults to Class Program instead?
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Oct 31, 2010
Im going through the 2008 Express tutorials on methods and classes. Since the advantage of subs, functions, methods, etc is their reusability, how does one save them and later import them into an application?
Also when one writes a class, how is it tested without being part of a form? Besides testing a class, why would one wants to write a class without a form, if it is to be published for a user?
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Nov 30, 2011
Currently i am using a class thats created and amended on startup and then passed as needed to other class constructors as needed. Now my project is around 20+ classes i am getting tired of passing each new instance this class. Would a module be more suited?
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Jul 23, 2009
I am making a small application in which i have added a class module and a window forms in vb.net. i want to acess the shared variables and mathods of class without making any object.
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Aug 23, 2011
I was looking on the interweb to see if there were any good examples on how to initialize shared members within a class while still initializing instance variables.[code]How do I initialize both instance and shared members without re-initializing the shared members every time an object is created from a class?
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