VB2010 Working Like A Charm In Winxp But Few Crashing Errors In Win7?
Sep 20, 2011
ive decided to try out win7 since its finally a bit more debugged, ive backed up very carefully all my projects, however there semms to be a problem with the one i was working on, this first chance exception error has been avoided and not even mentioned in winxp however in win7 it not only mentions it but makes the application crash, This is what its nagging me about, i dont get it isnt windows7 the same when it comes to mydocs? Was not possible to locate part of the path: C:UsersEugenDocumentsIOrganizeSettingsCalendarConfig
Sorry i had to translate it, its in portuguese language, yeah i know... if i could i wouldve changed it but win7pro doesnt gimme that option, anyways back to the topic:
A first chance exception of type 'System.IO.DirectoryNotFoundException' occurred in mscorlib.dll
This is the code i came up with:
If My.Computer.FileSystem.DirectoryExists(My.Computer.FileSystem.SpecialDirectories.MyDocuments & "/IOrganizeSettings" & "/CalendarConfig/") = False Then
My.Computer.FileSystem.CreateDirectory(My.Computer.FileSystem.SpecialDirectories.MyDocuments & "/IOrganizeSettings" & "/CalendarConfig/")
End If
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May 15, 2011
Within a VB.net program I used IO.File.GetCreationTime to read the file system's creation time of a file. I was irritated, because the returned value didn't match with the time displayed in the explorer. On another machine the time was displayed correctly.
[Code]...
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Jan 19, 2012
I have a sub that I just discovered does not work for my windows 7 users but works fine for my windows XP users. This is basically a sub for a ping monitor to ping devices on a timer. What happens is that when the windows 7 user tries to ping, it always reports "down" on a windows 7 whether actually up or down. But, windows xp will report correctly with "up". 3 different windows 7 boxes, users say it worked before. Can't quite debug correctly as i'm on xp myself and it works just fine. Also, I haven't changed anything in the code in quite awhile and this is a recent bug that just started.
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim itm As Object
Sec = Sec - 1
If ListView1.Items.Count = 0 Then Me.Close()
If Sec <= 0 Then
[Code] .....
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May 16, 2012
I develop my VS2010 project in my laptop with SQL 2008 Standard. In my laptop everything is working good, using the following connect string as global public string when the main form loads:
[Code]...
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May 11, 2012
for our culminating activity we must make a program that uses a bunch of things etc.
i decided to go the extra mile and make sudoku.
The problem lies in generating the puzzle, the program always crashes, but there is never an error. im sure there are easy ways to make the generator, but from what we've learned this is the only way i know how to do it.
Private Sub FirstBlock()
Randomize()
intNumber(0, 0) = Int(9 * Rnd() + 1)
[Code]....
i made a function for each 3x3 square, and what happens is the block its currently on, checks for interferences horizontally, vertically, and within each 3x3 square, because computers process in order, i set it so that it only checks for previous block interferences, since this is the first 3x3 quadrant, there are no previous horizontal/verticals to check.
The code works fine, the problem is when i run it, it says its running but no form appears, i learned to use a progressbar to try and separate each 3x3 block to generate individually, to try and split the processes up 1 second at a time. the problem is, it does run, but it only generates a certain amount before it crashes, and every time its different, sometimes it generates half the puzzle, sometimes 1/3rd, sometimes only the first quadrant.
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Jun 12, 2011
here a simple class to change the wallpaper in winxp and win7. i think it will work on every windows version.
[Code]...
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Jan 25, 2011
my application made in visual basic 2010 is not working in windows 7? what's problem?
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Sep 1, 2011
I have an application that I developed (and worked) in Windows XP. Now that I try the same exact program on Windows 7, it doesn't work. It's a simple test of the Adobe plugin, so it's nothing fancy. Here's the code:
Public Class FrmMain Private Sub BtnOpen_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnOpen.Click
[Code]...
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Apr 28, 2011
I compiled some VB6 code on my Win7 x64 machine and the result .exe will not run correctly on any other machine. VB6 code is just a new template .exe file with one button, a reference to "Microsoft ActiveX Data Objects 2.6 Library" and the following code in the button press event: Dim db Set db = New ADODB.Connection It runs correctly on my machine, but no others (even other Win7 x64 machines) (Update: I found TWO other users where it runs and one of them is Jeff Atwood!, but most machines have the same problem)
[Code]...
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Apr 10, 2011
i created an application with vb 2010 in my windows xp pack 3 now i want to use it in windows7, but its not working!
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Jun 6, 2011
I know the propertys transparency key and opacity. It isnt what I am looking for. I need to have my form to have the same Glass Effect the as win7 does while runing under win7 plataform. Like, if i have glass effect in the top I should have it in the background.
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Sep 25, 2009
which compiler errors would be detected out by VB compiler?
I have searched out some compiler errors list for C#, for example, see the website at [URL]
MS provided us the information about C# compiler error. Does MS provide VB compiler errors information as well.VS
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Jun 28, 2012
This is quite a pickle... I am using interop to read and write in excel but the project is not reading the excel correctly,!
This is in a public Module
Public name, accessories, comments as string
Public edit As Object
[code].....
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Jan 4, 2011
We have designed an application designed for storing contact information of students (college study project).The application installed perfectly on Windows XP Home Edition (Service Pack 3). We also installed all the requirements (including .net 4) on the XP machine. But when we tried to work with any form that is linked with data, it pops up an error saying something about invalid casting for system.oledb.data and system.string.What may be the problem? This application runs fine on Windows 7, also loads fine in Windows XP Home Edition SP3. BUT when we open a form that has database linkups the above error pops up. Is it in anyway related to the .net framework? Which is possible our biggest doubt!This is really getting frustrating, as my group has worked really hard on this project. But, our prof., says that the project should work on Windows XP, but he is also stumped, with the reasons.
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Jun 12, 2012
I must have inadvertly messed up my data connection but not sure how to fix it. when I check the table adapters I can view data but when I load the app I get these errors and no data loads, how can I look at this log and make sense of how to fix this?
************** Exception Text **************
System.Configuration.ConfigurationErrorsException: Configuration system failed to initialize ---> System.Configuration.ConfigurationErrorsException: Only one <configSections> element allowed per config file and if present must be the first child of the root <configuration> element. (C:BungeAppsBunge Post InstallerinDebugBunge Post Installer.exe.Config line 7)
[code]....
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Sep 16, 2010
My app is a tray icon which scans the Outlook Inbox periodically. It seems, from testing in my VMWare WinXP machine, that the app stops Windows from shutting down. I press StartShutdown but nothing happens. I have to exit the app first then StartShutdown will shutdown the PC.
[Code]...
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Jan 16, 2012
I am wondering if I can use VB.NET(I am using visual studio 2010 express) to get and set a environment variable.
I want to add path of my application on system environment. I want to preserve what is already there and then I wan to add my string. This can be done by getting value of PATH and then append my string then re writing it.
I have 2 questions here:
How to get/set system variable in vb.net 2010? Will it be on the fly, I mean will it be immediatly avaialble in dos prompt or there will be delay?
As just for experiment i opened a command prompt then updated the PATH variable manually and it was not updated. I am wondering it I do it through programe it will be same.
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Jun 10, 2010
I am trying to make my controls look as cool as xp theme enabled controls like gradient fill background in container controls and colour thames support etc
EnableXpVisualStyles()
I found it to enable visual styles but didn't give me visual thames to apply. So in order to apply thames or colour schemes what should i do?What other commands should i use with combination with it? as I have seen my application giving ugly look even applying that command and other program showing nice loook in my win2003 server
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Sep 3, 2009
I've found this code and it works in XP: [code] When I run the same code in Vista, I get an exception at the line "System. Environment.Get FolderPath(":See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. [code] I assume this has to do with the Vista UAC. Is there a better way to retrieve the "My Documents" path of either XP or Vista with one piece of code?
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Sep 4, 2011
msgbox(System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList(0).ToString())
is showing Ip address in Win XP but in Windows 7 it is not showing.
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Nov 13, 2009
I'm currently setting up TortoiseSVN 1.6.6 on my WinXP system here at work and since I use VS2005 and VS2008 regularly here I'm considering installing AnkhSVN 2.1.7444 to make things easier as at my other job I use VSS (Visual Source Safe) which integrates into VS2003, VS2005 and VS2008 and works very nicely.So for those of you who have used AnkhSVN 2.1.7444 and VS2005/2008 what's your opinion?
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Sep 28, 2004
i used an old VB6 algorithm to subclass a window and made a few changes at the 'hook method' to make it work in .NET.
Private Declare Function SetWindowLong Lib "user32.dll" Alias "SetWindowLongA" (ByVal hWnd As Integer, ByVal nIndex As Integer, ByVal dwNewLong As delWindowProc) As Integer
[Code].....
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Apr 9, 2012
I've been fighting for weeks now to make a simple music playback program. It would function much like Windows Media Player without the visualisations and playlists. I'm writing this on a Win7 box, but it needs to work on XP and newer.
I say fighting because I'm severely annoyed at how MS has worked some items and it's taken many days to go through everything only to find that it doesn't work.
I started by using WMP in VB Express 2010 and having it play my music. Simple, but not portable. I copied my .exe to a WinXP machine and it blew up. I copied it to a different Win7 machine and it doesn't run (I can double-slick all day, nothing happens,
no log entries, nothing....)
Then I find that there is an issue with the GUID of media player on different computers, and it'll most likely fail to run when you try to use it on other machines than the one the program was built on.
So I gave up on that.
I then figured I'd use DirectX. It's on XP and newer already, and is supposed to be backwards compatibile so if I build my app on Win7 it should still run on XP and such. I did that, and it works fine on the machine I built it with (again). My shuffle works,loop/repeat works, got my own version of a playlist and it all works. I copy that to another Win7 box and it doesn't run at all. It's setup as .NET 3 so I can be sure of compatibilty with WinXP.
For grins, I gutted all the code in my VB app involving calls to Directx and built that. It runs fine on other computers, including my XP test box. So I know the problem revolves around DirectX somehow.[code]...
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May 24, 2012
I've adapted the code from this link to use the WinXP on-screen keyboard (osk) for a touch-screen application written in VB.NET v3.5. The osk fills the bottom half of screen etc. and behaves fine except for one little quirk. If the user clicks or taps anywhere on the 'background' area behind/between the virtual keys (within the main osk window), the color of the area changes to that of the keys when any further key subsequently gets focus. The outline of all keys is then lost because they are visually merged into the osk window background. The osk must then be terminated and re-launched to remove the confusing appearance.
This behaviour only occurs when the osk window is set to the child style (i.e. when the menu is hidden), using the SetWindowLong P/Invoke function - e.g.
SetWindowLong(OskProcess.MainWindowHandle, GWL_STYLE, WS_CHILD)
It's as if the entire area behind the keys is being treated as another key when tapped/clicked, whereupon its color is 'restored' after losing focus.Is there any way to intercept and somehow override the focus event of this osk background area?
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Sep 23, 2011
I have a .net application that uses customerrors web.config module to display meaningful messages for errors. It works without any issues for 500 errors/exceptions caused by non-ajax and ajax components (updatepanel). However, in a scenario where updatepanel's asynchronous request times out, there is no error raised at all. I was able to see the timeout in firebug and come up with a solution that would at least display the error message as an alert and then redirect the user to the 500 error page using javascript but it's not quite doing what the rest of the application does in case of an unhandled errors like these. I basically just want everything to go through "LogEvent" mechanism so based on the severity of the error, it does the necessary work.This 500 error page doesn't have anything in the Server.GetLastError() for these timeout scenarios. Is this an expected behaviour? Can it be changed so I do have access to these timeouts in Server.GetLastError() OR maybe just run this error through "LogEvent" mechanism? Is there a better/more graceful way to handle this issue?
Below is my code to give you an idea, not exactly what I have in my application but pretty close.
Web.Config
<customErrors mode="On" defaultRedirect="~/Errors/ErrorUnknown.aspx" redirectMode="ResponseRewrite">
<error statusCode="500" redirect="~/Errors/Error500.aspx" />
</customErrors>
[code]....
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Dec 9, 2011
I have a dll that someone made me in C++. I needed to use this dll in VB, in order to do that I had to make another dll in C++ that has functions I can call in VB.
The C++ dll I made has 4 functions. 2 callback functions that retrieve information from the original C++. And 2 functions that I can call from VB to send that information.
I know the original dll works fine as Ive tested it endlessly in a console app.
However when I use it with my dll and VB.. I get random crashes.
There is almost no code in my VB app as its just for testing. It just outputs the information so theres no problem there.
I believe the problem is in the C++ dll I made. I am pretty new with C++.I think maybe a variable gets accessed in 2spots at the same time (is this possible?) and causes it to crash?[code]...
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Sep 5, 2011
My app wont start up on any 32bit PCs. It brings an error. Ive tried all the solutions mentioned like going into Compile and changing the Platform, and other things. I have come to the conclusion it Might just be something faulty with my coding. Here is the only place in my code that could be doing it.
[Code]...
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Jan 28, 2009
im creating a project on vb and every time i get quite far into it, it seems to stop taking in commands. For example i have form 1 with loads of buttons and wen i add another one and start debugging the new button (or whatever) wont be their, this has now happend three times and im getting very annoyed.
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Nov 16, 2010
An application working fine on Microsoft Small Business Server 2003 (Windows 2003) 32 bit when installed on Microsoft Small Business Server 2008 (Windows 2008) 64 bit crashed with the following trace;SUB: MyApplication_UnhandledExceptionException Type: System.TypeInitializationExceptionMessage: The type initializer for 'IV.modMain' threw an excep
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Aug 5, 2011
I developed a .net application which uses bonjour to chat with other instances of the app on LAN. The application works fine on 5 pcs(4 with xp sp3 and 1 with windows 7) out of 6. On one computer (with windows 7 installed) the app crashes as soon as i try to register into bonjour service.
After digging deep into the problem i noticed that too many svchost.exe processes are running on the pc on which app crashes. After carefully terminating the svchost.exe's i came to know that by terminating one svchost.exe which consumes around 50Mb Ram, the app works absolutely fine.
The process path "C:\Windows\System32\svchost.exe"
Process Command Line "C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted"
When i terminate the process, app starts working fine.
PS : Even after terminating the process restarts itself and app works fine.
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