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Thank you for the help, this code is working when rewritten from scratch, so the problem is somewhere else in the original project.
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I don't know yet, it is very old and messy code. Maybe I need to rewrite it from scratch and forget about this junk...
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Does anyone know if there are any issues installing/running VB5 on Windows 10? Every time I try and Google this I only find articles relating to VB6.
I have an old legacy program in VB5 I need to maintain (until I finally get round to rewriting it in .NET... or, should I say, the client finally decides to pay me to...)
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VB6 on Win10 is not even a supported scenario. Your software may or may not work, but there's no guarantee for tomorrow.
Use a Virtual Machine if you need to "update" something. Since you have a VB5 license, I'd expect that you'd also have an OS that supported the IDE at the time.
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
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Well at the moment I've got the VB5 IDE running fine on Windows 7 on my laptop... am considering the Windows 10 upgrade on that, but don't want to lose VB5 in the process.
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This is a highly unusual scenario. I'd suggest setting W10 on a VM and then installing VB5 on top there. That way, you can test to see whether or not the configuration will work together.
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Yes, good idea - but I can't figure out how to get hold of the required product key if doing a clean install onto a VM...
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Sorry if this si impertinent, to ask a follow-up question like this, but I wonder if you mght know this:
The difficulty with installing W10 in a VM is that it won't recognise it as a free upgrade from my W7, so will ask for a product key - which I don't have (or would need to buy.) But it occurs to me that I could instead go for the W10 upgrade and then, if necessary, re-install W7 in a VM on the same machine... the querstion then is: would it let me? Or would it tell me that the W7 product key has akready been used? As it'd be the same physical machine perhaps it would... but being a VM, maybe it won't... i.e. can one re-use a Windows product key on a VM on the same box as the orginal OS was installed?
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I don't see why not? The VM runs isolated so it should be okay doing this.
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Although legacy codes do run on Windows for sake of backward compatibility. But why would you even want to use such an old language on a new platform?
You may want to upgrade your current application to Windows Runtime. Windows Runtime and .NET framework are separate, Windows Runtime is the native framework provided with Windows 10, where as .NET framework is a separate product that you install.
Read this API[^] for Visual Basic on Windows Runtime.
The sh*t I complain about
It's like there ain't a cloud in the sky and it's raining out - Eminem
~! Firewall !~
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As I said, it's an old application I wrote for a client way back in the early 90's which I still need to maintain occassionally. It was originally written in VB3, but apart form a minor update to VB5 in the mid 90's has remined pretty much teh same, and is still in use to day - a fact I am ever so slightly proud of  Of course it should be rewritten for a modern OS, but it's no small task, and the client likes it as is, so there is a certain amount of "if it ain't broke, don't fix it" going on. It will have to eb done day, but in the meantime....
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Then the client should not switch operating system. If the OS updates and he breaks the application, then it IS broken.
Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
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I think the coder is the one who wants to switch in this case, and the IDE's compatibility is the primary concern. That client doesn't particularly sound like the sort of person who's likely to have ever ventured beyond windows XP. 
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The coder is heading for problems; an unsupported IDE on an OS that was created years later. It is not just that it will be a 32-bit environment in a 64-bit OS, there will be more recent versions of COM-controls, something VB leans on. Those would be different on XP, generating a error if not compiled on XP.
"Unsupported" really means it could stop working tomorrow. It is never a good strategy to build on something that can be gone tomorrow.
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
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Yes, you're right, and I realise this - but it's a large job to re-write the code, and I don't feel like doing it for free. So until the client is prepared to fork out for it, we'll just have to struggle on with the current code. As the earlier poster pointed out, this client is a tech dinosaur... I have pointed out to them the dangers of the path they are currently on.
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Wombaticus wrote: So until the client is prepared to fork out for it, we'll just have to struggle on with the current code.
The client will be going this path until something bad happens. You need to prevent that, as YOU are the one that knows more about the risk of continuing this path than he has.
At least make sure you are not liable if the thing collapses; because that WILL happen at one point in time.
Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
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I know you want info on VB5 specifically, but have you just tried installing it? (Or perhaps copy an installed directory from another older PC)
I had VB6 installed on Win8.1 and after the upgrade to 10 it still works like a charm, had no problems.
Screenshot[^]
modified 21-Aug-15 2:45am.
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Well, that's the obvious thing - but I don't want to risk upgrading and then finding VB5 won't run. Mind you, I believe the W10 upgrade offers a rollback to W7 if wanted, so I guess I could just go that route...
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Personally, I didn't trust that roll-back feature and would strongly suggest you make a disk image ( Clonezilla[^] ) before upgrading if you want to be certain that the rollback is 100% effective.
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I have seen other people's solution to the rather small, obscured 'power off' button in Windows 10 - by making a link to shutdown.exe. Unfortunately, as far as I can see, shutdown.exe will not check to see if there are any unsaved documents and will close the computer whether data is saved or not. Also, although you can delay shutdown.exe - this, I think, is made almost completely pointless by the fact that there is no way to cancel it (that I can see).
My idea is to write a small program which will call shutdown.exe after a delay but which can be cancelled. This bit, I'm pretty sure I can do. The part I have no idea how to do is to check to see if there are any unsaved documents so I can give the user the option to quit shut down.
Is it possible to check to see if there are unsaved documents? How would I do this?
Thanks.
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That is almost impossible, since each application will have its own way of keeping track of whether open documents need to be saved.
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I thought there would be some way of centrally registering if a document is unsaved. After all, doesn't then main 'Power Off' button in Windows prompt you with an 'You have unsaved data. Are you sure you want to close down?' type message? - which suggests that this is the case for at least some applications.
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Ben Aldhouse wrote: I thought there would be some way of centrally registering if a document is
unsaved.
No. You simply keep a dirty-flag somewhere in your application.
Ben Aldhouse wrote: 'You have unsaved data. Are you sure you want to close down?' type message?
It will say that some applications aren't responding and that you might lose data if you close them anyway.
In WinForms you get a closing-event that is fired when Windows shuts down; the application should then shut down, but some applications show a dialog asking the user whether or not to shut down. Meaning Windows asks them to close, and they simply refuse and hang around.
Next question from Windows; do you want to terminate the applications that did not shut down?
Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
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Thanks for your replies Richard and Eddy. I think I may have discovered a 'feature' of Windows 10 here. I have just done some experiments with Notepad++ v6.7.7 and Inkscape v0.91. Notepad is so advanced that an unsaved document gets saved anyway and opened up next time you open Notepad++. I think Visual Studio tends towards this level of foolproofness, too. It will give a message when you open it up asking if you would like to 'recover' unsaved files from the last session. Inkscape, however, will lose what you were working on if you haven't saved it.
When I try and close Inkscape with an unsaved document it will produce a dialog asking me if really want to close it. However, when I close Windows 10 with an unsaved Inkscape document the document is lost. I think that this dialog would have caused the shutdown process to ask for user feedback in older versions of Windows. Not so in the current version of 10.
Is it Windows policy now that all applications should save documents on the fly or users be more careful? Is it an oversight in Windows 10? May be it will be fixed soon and I won't have to write my little program...
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