VB Compatibility With Windows 7 64 Bit
May 17, 2010
I have a small application I wrote in VB with visual studio express. This app uses a timer tick to wait for a certin time, the opens several comm ports, reads data, creates an output string, an sends the string via email. I tested this app for several days
on a windows 7 32 bit machine, with no problems. I compiled (published) the program, and am attempting to run it on a windows 7 64 bit machine. However, on the 64 bit machine, it freezes up and can only be stopped with Task Manager.
at the time the app hangs the only things going on are 1. a timer checking to see if it's time to read the comm ports. and 2. a background thread checkig to see if the internet is available to email the string.
I tried ;loading visual studio on the 64 bit machine, and compiling the app there, with the same result. However it seems to run (tested for 1 hour) in debug on the 64 bit machine.
Has anyone noticed anything like this? any ideas?
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Nov 15, 2009
will an program built on windows 7 using vs 2008 or 2005 have the compatibility with windows xp or vista
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Nov 4, 2009
Am I still able to develop programs in Visual Basic 6 that will run easily under Windows 7? If no then must I convert to VB.NET? Are there other strategies?
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Jan 16, 2009
I've started to use a Vista machine for development. In case it is significant: I'm using MSBee so that I can code in the Visual Studio 2005 IDE while still building against the 1.1 framework.On the Vista machine, when I tried to build a particular vb project, I got this error:
error BC30464: Namespace or type'Compatibility' in the project-level Imports 'Microsoft.VisualBasic.Compatibility' cannot be found.
The same project built fine on my old XP machine. I checked in this folder on my Vista machine:
C:windowsmicrosoft.netFrameworkv1.1.4322
...and sure enough, "Microsoft.VisualBasic.Compatibility.dll" was missing. So was "Microsoft.VisualBasic.Compatibility.Data.dll". Copying them from my XP machine to my Vista machine allowed me to build the project successfully.I'm just a bit puzzled as to why this happened. Why was "Microsoft.VisualBasic.Compatibility.dll" missing? I'm also not very comfortable with my chosen solution - copying the DLL manually. It works, but surely there must be a better way.
As far as the configuration:
Vista:
.Net Framework 1.1
.Net Framework 1.1 SP1
.Net Framework 1.1 SDK
[code]....
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Feb 23, 2010
I have a VB.NET executable program that I've been running nightly as a Windows Scheduled Task on a Windows Server 2003 machine. I have the source code, and it was compiled using VS 2005. Now I want to run it on a Windows Server 2008 R2 machine. If I try to "open" it from Windows Explorer, I get "The version of this file is not compatible with the version of Windows you are running." It is in Program Files(x86), so doesn't the OS know to run it as a 32-bit application? Do I have to load this in VS2008 and recompile it there as a 64-bit app? But all my old VB6 and VBScript scheduled tasks are running fine, why is the OS only complaining about this program?
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Jan 11, 2012
What does Windows do to an app when it is run in Compatibility Mode?Is there a way I can detect the compatibility mode settings in .NET?
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Jul 9, 2010
First forms project. My textbook [wrox VB 2880 Programmer's Reference, Rod Stephens] gives snippet that starts with [which intnellisense completes, except for variable names, including trailing 'paint' which seems to be the problem]
Public Class Form1
Private Sub form1_paint(ByVal sender As Object, ByVal e As System.Windows.Forms.TableLayoutCellPaintEventArgs) Handles MyBase.Paint
End Sub
End Class
which generates error :
Error 1 Method 'Private Sub form1_paint(sender As Object, e As System.Windows.Forms.TableLayoutCellPaintEventArgs)' cannot handle event
'Public Event Paint(sender As Object,
e As System.Windows.Forms.PaintEventArgs)' because they do not have a compatible signature
.
Changing 'Private' to 'Public' does not fix the error.
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Oct 15, 2011
I have been again blessed with legacy code made (presumably) with vs 2008. It's a Visual Basic project with a dependency to SQLite. The actual problem is that it is needed to install and run on Windows 7. Now, I have VB 2008 express in which I opened the project and tried to run it. It threw an exception which was most likely due to the fact that SQLite.dll doesn't support Windows 7 (and/or 64 bit environments). The exception was System. BadImageFormatException. (ddl version was 1.0.65.0)
I read somewhere in the internet that in order to run it in Windows 7 you need to have newer version of it. I downloaded it and managed to change the reference to newer one. Now in the SQLite site it says it requires .net version 3.5 or 4.0. I know that I can change the target framework to 3.5 or even 4.0 but do I need to change some of the old references in the project properties? All the references seem to be to 2.0 libraries. Like System 2.0.0.0 and path to X:windowsMicrosoft. NETFrameworkv2.0.50727System.dll. Does this actually mean that the application is using .net 2.0 although it target framework would be 3.5 or 4.0?
And most importantly do I need to convert my application manually or by using some tool to .net 3.5 or 4.0 in order to get it running with new SQLite dll which requires 3.5 or 4.0?
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Apr 21, 2010
I have VS2010 and have targeted Framework 2.0 to work with SQL Server 2000 which works great. The problem seems to be when I go to my release folder, right mouse click on my test.exe file and click on Compatibility, then select 'Run this program in compatibility mode for' and then select Windows 2000 from the combobox. i get this error upon execution of text.exe:
The type initializer for 'WindowsApplication1.Module1' threw an exception.System.TypeInitializationException: The type initializer for 'System.Data.SqlClient.SqlConnection' threw an exception. ---> System.TypeInitializationException: The type initializer for 'System.Data.SqlClient.SqlConnectionFactory' threw an exception. ---> System.TypeInitializationException: The type initializer for 'System.Data.SqlClient.SqlPerformanceCounters' threw an exception. ---> System.PlatformNotSupportedException:
This operation is only supported on Windows 2000 SP3 or later operating systems.
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May 22, 2012
I'm using all the VB6 source code from a XP machine on a new Windows 7 machine. The code works fine and builds the .exe. The .exe runs fine on the Windows 7 computer, but will no longer work on an XP machine. In my facility most of my users are still on XP machines. An additional note, if I move the .frms back to the XP machine, they compile fine and the .EXE works fine on the XP machines.Now I using virtual machine It's working ok but its not the best Solution. is there any direct way to make the .exe of Windows 7 works will on XP machines.
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Dec 13, 2011
I havnt found any info on this, probably because I expect there is no real way to do it... but does anyone know if there is a way to run an ActiveX control in 'copatibility mode' or some sort ov virtualization WITHIN a .net app?
We have a legacy control that does not work in Vista (and up) If we set the whole app to WinXP SP2 compatibility mode, the control seems to work well enough.
I would like to be able to rig it so we don't need to manually set that on every system.
My next step is to start looking if we can just set the compatibility through install, or the app itself.
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Apr 7, 2010
Imports System.Data.OleDb
Public Class Form2
Dim Conn As OleDbConnection
[code]...
this is my codes in vb?I am thinking what is the error in this code?because everytime I execute this There is an error appearing in this part OleA.Fill (DSSearch, 0) it says that "No value given for one or more required parameters." so, what should i need to do?
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Jul 26, 2011
have developed software in vb.net with xp.will it work on win vista and win 7 ?
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Dec 28, 2010
I have an Excel file endowed with a macro written under Office-2007.This file can be opened by Excel-2003, but the macro can't run because 2007-objects can't be recognized.My question is: does it exist a library or some trick to allow the macro running under Office-2003?
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Nov 27, 2009
Was just wondering, is VS .NET 2008 compatible with SQL Server 2000?
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Sep 8, 2009
I have . VB.NET DLL that I have made COM visible and it works fine.However, I've now added another class which I also want to expose to COM but I am now getting an erro when I build it:
Quote:
Error1The assembly {...} could not be converted to a type library. Type library exporter encountered an error while processing 'TOPSMileageLookup.JobMileage, TOPSMileageLookup'. Error: Type 'JobMileage' and type 'Job' both have the same UUID.
JobMileage is the name of the original class I had that is COM visible and it worked fine when it was on it's own. Job is the name of the new class.Now, the obvious suspician is that I have copied over my COM GUID's but I can assure you that they are most certainly different. But what else could it be?
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Oct 25, 2011
Compatibility Between the 32-bit and 64-bit Versions software of .net2010
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May 16, 2012
I have several executable files that make up a full .NET application. One of the .net applications downloads a new version of the software, exits the main application, makes file changes directly inside of the c:program filesmy application area directly. I install this application using Installaware and it is code signed and verified with godaddy, so it gets around the antivirus programs. This has been running for a long time, and I never put too much thought into what security levels are allowed to directly access the files in this area, because it always seemed to worked perfectly in Win7, Vista and XP.
Now I have created a virtual machine, one inside Windows, and then one inside Parallels on a Mac. In these two virtual machines, the executable file that installs a new version of the software only works properly if I choose the two options on the compatibility tab in Windows, "Run this program as an administrator" and "Run this program in compatibility mode for Windows 7". Now I have found this article: [URL]. This even let me set up my registry settings in the set up of my program so that one specific exe will just run properly. I am concerned about just patching something this way.
With Visual Studio running in the virtual machines, the code executes perfectly. When I run the executable that I JUST COMPILED from Visual Studio, that executable will only run properly with the choices stated above, or more specifically, this registry setting:
"c:\program files\onespot\onespotinstall.exe"="WIN7RTM RUNASADMIN"
The exact same PC that has been mirrored onto these virtual machines works fine. It has been impossible to troubleshoot where the problem lies. The line of code that gets executed to EXIT the main program finds the process, and does a gentle shut down. That works fine. Even testing inside that application works fine. But I never can get a return from the Process.Start line. Narrowing down to a line of code is not working.
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Feb 17, 2011
I have built a web setup project using VS 2008, wherein I need to check whether IIS 6.0 Metabase compatibility is installed. I tried it by accessing registry keys specifed in here in custom actions. But when I run the installer, I the key comes out to be blank irrespective of whether metabase compatibility is installed.
To further check the problem, I created a Console app to access the same keys. When I run it on win7, the app fails. Then, I ran it in WinXP SP3 compatibility mode and it ran perfectly.
I am open to other bullet-proof means of detecting whether IIS 6.0 Metabase compatibility is installed
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Jul 15, 2010
I'm working together with someone on a project, but I'm writing code in VB.Net, and hes coding in VC++. I'm trying to get some kind of compatability going on, so I'm putting my support classes into a VB dll. I've tested it a little, and it seems that all of the functions work, but the operator overloading that I did in VB doesnt seem to carry over to C++.
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Apr 22, 2011
Anyone know the proper syntax for importing the VB6 Compatibility in .net?
Example:
Imports VB6 = Microsoft.VisualBasic.Compatibility.VB6
Doesn't seem to work anymore.
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Jan 19, 2012
Anyone using Crystal reports 2011 with VB.Net 2008 Pro? my work is willing to buy this but I just want to make sure it will work, the dynamic as opposed to static query values is what interests me about it.
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Jul 8, 2010
I've made a program which runs smoothly on XP and also on Windows 7.But after installing it on a windows 7 machine, windows 7 immediatly shows another dialog box of the program compatibility assistent stating:(translating from Dutch, so forgive any mis-translations )
'This program may not have been installed correctly.If this program is not correctly installed, you can try to reinstall the program with compatible configuration of this version of windows.'You than have the option to reinstall the program with the advised compatible settings (?) or choose 'this program is correctly installed'.
If you choose 'reinstall with adviced compatible settings', windows 7 installs the program with 'windows XP, SP2' settings.My program uses only an access database and an internet connetion. Nothing fancy, exotic, registry items or something else.
For writing permission on the database (also win.7), I install the program in 'all users/app data', and not in 'Program Files'. I can't find anything usefull on google,
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Jan 30, 2012
I have made an application with VS2010, meaning it requires .NET framework 4 to run properly.If the program is ran on a machine with .NET framework 3.5, it returns an error stating I should install 4.
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Jul 4, 2011
What minimum pillars of a machine (in terms of specifications) can be used to determine its compatibility with an OS? My software currently calculates processor speed, RAM, Hardrive space and graphics card version to determine a PC's compatibility with a specified OS. What other specs would you recommend?
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Aug 16, 2010
I made a small program which i have sent to all users in my network. Unfortunately i forgot about older versions of framework.
Is there a quick and easy way to add older versions compatibility of framework to my project?
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Jul 28, 2010
I'm using VB.NET but any other known language should be fine as long as it uses basic features. My task is to create astrological compatibility chart, when two users have certain astrological sign as inputs and there is a text about those signs compatibility. for those who are unaware of astrological signs but still want to help, there are 12 signs. Each sign has different compatibility with other sign or itself. So basically i get into 12^2-12 conditions. ie. Aries with Cancer "do not match at all" so I can save one record of that issue as backwards it is the same (thus -12 at the end). Question is simple is there any other way to create this except of using 12^2-12 case issues...
[Code]...
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Jul 12, 2010
I'm automating some outlook functionality in a .NET app. It works great. I am compiling it and using v 12.0.0.0 of the Outlook Interop assembly. My code should work on any version of Outlook so it seems silly to have to bind it to a specific version. Is it possible to use reflection to do this instead of compiling a reference? Are the interop assemblies on PC's by default that have Office installed anyway or do I need to include them with my application?
[Code]...
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Apr 23, 2010
Using either VB.NET, C#, or VBScript, how can I check if the IIS 6 Management Compatibility feature and its subfeatures have been installed on a machine running IIS 7.x?
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Jul 7, 2009
I have an application that browses through Excel-files, changes color in some cells if they are in a wrong format etc.When my application is saving the changed file I get this alert about compatibility issues that can occur, and this alertbox has to be agreed or cancelled to move on to the next file.
How can I disable this compatibility check programmatically? Or is there any way to ensure there are only Excel 2003 compatible colors in the document before saving?
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