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"Step over" will execute the line, which will show the message box. The code won't continue until you press "OK" in that message box.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Yes at last iteration also, it is executing message show box line then message show box appears then i press ok. Only after i press ok message box disappears and control of code remains on that same line it doesn't continue my for(;;). And my application doesn't responds to futher triggers
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How are you expecting to escape from your infinite loop? Your first line is
for(;;) , so when your main inner loop has finished, it will start all over again unless you have a
break lower down that we cannot see.
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yes i want to continue my for(;;) loop but my code gets stuck at Message Box even after i press OK on Message Box.
There is no need of break statement
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The chances are we can't help you - it looks like you need the exact hardware you have setup in exactly the same way, and we have no access to that.
So start small, and assume that it's something to do with "multiple message boxes" on your system. Create a minimal console program that increments a number in a loop and displays it in a MessageBox. Test it. Does that fail after 5 presses? Or 10? Or 100? If so, it's something to do with how MessageBox interacts with your hardware / software combination, and we can't do anything about it - talk to the tech support for your embedded device.
If it doesn't ... then it's your software. So start expanding your minimal app until it does fail after 5, 10, or 100 presses. When it fails, you know it is what you added that caused the problem - so look at what you just added!
Sorry, but we can't do any of that for you!
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Sorry for being late to the party. You do not, ever, use a MessageBox in a non-GUI app. In services we write to the EventLog, in console we write to the.. console.
Replace it with a Console.WriteLine. After that, we'll look further. But never, ever, use something that displays a UI on the console. If you think you need an OK-Cancel button, you wrong. You need to readline (Y/N) on the console.
Is this during an education?
Bastard Programmer from Hell 
"If you just follow the bacon Eddy, wherever it leads you, then you won't have to think about politics." -- Some Bell.
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You're looping and simply displaying the same information. Your "5" corresponds to the 5 items in your array.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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I’m trying to get a better understanding of net framework. I used to think net is just a MFC replacement. GUI programming on Windows the easy way. Windows is basically GUI tied to device drivers. In my mind .NET doesn’t reach the driver level, it’s just shallow scripting
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Yes, in the same way that a F1 car is just a Ford Fiesta replacement.
You can compare MFC to .NET, but .NET is a lot more than "just a windows framework" - MFC is just a structured C++ framework around the Win32 API. But it made Windows development so much easier than the entirely manual message handling that preceded it. And .NET makes development so much easier than MFC was*. It's also language agnostic in a way that MFC never could be, despite being a solid part of C# - to the point where C# can't actually do much if anything without .NET behind it to provide even basic string handling! The number of languages that you can use .NET is is pretty impressive - and any assembly written in one of them can be used in another as it it was written in the same language.
I used C for Windows, Then C++, then MFC/C++, and finally moved to C# with .NET and despite it's vast scale it's pretty much consistent: it something works for one control, there's a good chance the same properties will exist in another for example.
Would I go back to DLL Hell and MFC? Not a chance in Hades!
* You may have noticed that I didn't mention "Windows" with .NET - it also exists for Linux, Android, and iOS via Xamarin. Try that with MFC ...
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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I feel like I’m traveling back in time. After seeing what Windows forms is all about it’s time to see what MFC can do. But this thread is about .net. I should probably look into what other things .net comes with, besides forms
modified 9-Nov-22 4:36am.
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Shed loads.
I'd strongly suggest a book on the subject: they should present the whole of .NET so you don't miss something you could have used later if you had known about it!
Wrox do good ones, as do Addison Wesley and MS Press.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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You're welcome!
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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.Net is a combination of many things. The GUI designers are more like VB 6 and VB prior to 6.
.Net does not have the equivalent of the Document/View architecture built into it as it is in MFC.
.Net does not support mixing languages using a linker as does unmanaged code does. Use of multiple languages by a .Net application requires that each language be a separate executable (DLL or the single exe file).
Much of .Net is based on Java.
The .Net intermediate language might be an evolution of the technology Microsoft had in the original Basic interpreter in DOS.
The designer and original developer of C++ explains that C++ does not support the kind of feature (such as the .Net intermediate language) that provides the portability that Java and .Net languages provide.
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Sam Hobbs wrote: Much of .Net is based on Java.
How much are you saying is based on Java?
And what do you mean by "based on?"
The difficult we do right away...
...the impossible takes slightly longer.
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There are some 124 name spaces in the framework / class library; maybe 20% are dedicated to GUI programming. UWP and WPF use DirectX; which is close enough to driver level.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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Gerry Schmitz wrote: There are some 124 name spaces in the framework / class library
Try counting again - there are 2305 namespaces listed here[^]. 
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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I just Googled for a number; it returned one big enough to use. I suspect there are "major" ones and "minor" ones. I'll even take your word for it without bothering to check.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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Sam, Gerry thanks for feedback
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I have a one-man-show small business with a complex, mature and utterly reliable .NET Framework 4.6.1 WPF app and associated libraries, etc. I'm always busy adding requested features and doing customizations for my customers. My question is - how important is it that I drop my income-generating activities and port all of this to the latest .NET 6 or whatever? I would value advice from those who have done this upgrade...
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"If it ain't broke, don't fix it."
Start a new project with the latest version - no point in upgrading software if you aren't adding features, all you do is risk adding problems or inefficiencies because you aren't fully familiar with a new framework (however similar it may be).
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Having read the comments on your article about non binding MVVM I imagine your "upgrade" would be a bloody nightmare having gone down a non standard path (assuming you have maintained that style).
The greatest nightmare of a one man show - when do I HAVE to move to the latest version of my tool(s), all the while building technical debt. Think of the poor sods still on VB6!
I agree with OG - you need the income stream and stability, unless your clients are screaming for the latest version I would leave it. When (Ghu forbid) they demand you go to a browser based solution then you change!
Never underestimate the power of human stupidity -
RAH
I'm old. I know stuff - JSOP
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That "MVVM without binding" project was such a failure that the last time you flew in a commercial jet, the turbine blades might have been shaped by that software 
My clients (industrial machine builders) wouldn't know a Framework from a Core from a Standard unless I whacked 'em on the head with them.
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I found it easy to move from WPF to UWP, and now prefer UWP because of the Windows Store though I think you can move WPF to the store now (easy customer distribution). I also think the UWP event model is more comprehensive. And there's local and roaming storage, etc. Nothing you would miss unless you went looking, and then you do.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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I moved many thousands of lines from .Net Framework 4.x to 4.81 to finally move them to .Net 3 up to .Net 7.0 (including WPF programs). The main job is to redo the project in the new .Net format, compile and correct the few compilation errors you found. This answer gives a hint on the difficulty problem but don't address the importance of porting it to .Net Core.
Jacques Fournier
Consyst SQL Inc.
www.consyst-sql.com
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