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MindFusion Diagram 6.8.6 not support .NET 6 or above (Read 6335 times)

Tan YaBB Newbies Offline I Love MindFusion! Posts: 6 Joined: May 29^th, 2023	MindFusion Diagram 6.8.6 not support .NET 6 or above May 29^th, 2023 at 8:59am	Print Post
	Hi, When implementing the .NET 6 or above, it will show unexpected error message when running the application. This issue happen when the application try to initialize the Class Library which is still under .Net Framework. It does not having any issue when I point to .NET 5 instead of .NET 6 or above.

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Slavcho YaBB Moderator Offline tech.support Posts: 3408 Joined: Oct 19^th, 2005	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #1 - May 29^th, 2023 at 9:15am	Print Post
	Hi, I'm not seeing problems running our .NET 6 sample projects. Please check if you aren't missing some assembly references shown in them. Otherwise please post the full stack trace or attach your test project. Regards, Slavcho Mindfusion


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Tan YaBB Newbies Offline I Love MindFusion! Posts: 6 Joined: May 29^th, 2023	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #2 - May 30^th, 2023 at 1:54am	Print Post
	Here is the attachment. The issue does not arise if the mindfusion is reference directly in .NET 6 https://drive.google.com/file/d/14TMg4putifeq8RKnJvSSSJFiXU_fpDt9/view?usp=share _link


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Slavcho YaBB Moderator Offline tech.support Posts: 3408 Joined: Oct 19^th, 2005	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #3 - May 30^th, 2023 at 7:05am	Print Post
	Hi, I think problem is your class library targets .NET 4.7: If I recreate it as .NET 6 one, the application loads without complaining: Regards, Slavcho Mindfusion


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Tan YaBB Newbies Offline I Love MindFusion! Posts: 6 Joined: May 29^th, 2023	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #4 - May 31^st, 2023 at 2:14am	Print Post
	I know it will not having this issue when changing the class library .Net framework. However, the caller side should not affect the class library as the reference and initialization is only located at the class library. Furthermore, I think it not suitable to change the Class Library version as it work correctly as before until I change the caller side .NET version to 6 and above. (Changing the WinFormsApp1 Project to .NET 5 does not trigger the same issue) Do you have any alternative solution beside changing the class library as I cannot simply change it for my production environment.

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Slavcho YaBB Moderator Offline tech.support Posts: 3408 Joined: Oct 19^th, 2005	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #5 - May 31^st, 2023 at 6:40am	Print Post
	Problem is your setup makes diagram's static constructors called twice (maybe loading two different .NET app domains), and we don't know of another solution than using proper target for your class library. You might test if changing target to .NET Standard target helps, if you need to use same binary dll in both .NET Framework 4 and .NET 6, but overall don't see the problem compiling different dll files for different frameworks. Regards, Slavcho Mindfusion


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Tan YaBB Newbies Offline I Love MindFusion! Posts: 6 Joined: May 29^th, 2023	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #6 - May 31^st, 2023 at 1:57pm	Print Post
	Hi, Unfortunately, I cannot simply set the version of the classLibrary. It just weird the behaviour become different when the Winform is set from .NET 5 to 6 Furthermore, I found out that, if I add a new Nuget Package for WinForm. It will not trigger the issue. Will they any possible issue if I do it like that?


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Slavcho YaBB Moderator Offline tech.support Posts: 3408 Joined: Oct 19^th, 2005	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #7 - Jun 1^st, 2023 at 6:52am	Print Post
	Hi, You will face difficulties once you actually try to integrate any user controls from the library into the form, if the dll has references to .NET 4 System.WinForms and the application loads .NET 6 version. If somehow you manage to build the .NET 4 library with references to .NET 6 Windows Forms, it might work but then there's no point in it being .NET 4 one. Anyway we provide separate .NET 4/6 builds for a reason, and your configuration is not something we intend to pursue further. Regards, Slavcho Mindfusion


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Tan YaBB Newbies Offline I Love MindFusion! Posts: 6 Joined: May 29^th, 2023	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #8 - Jun 1^st, 2023 at 11:45am	Print Post
	Hi, Thanks for the advice. I agree with you that it is better to point to the same version to prevent any possible issue. Due to the project complexity, we unable to make the changes in a short period of time. Furthermore, I do found out that migrate the existing packages.config to Package References allow me to run without issue. I observe the dll version it generate is 6.8.6.600 after I migrate the packages.config. (Previously, it compile as 6.8.6.450) Appreciate your suggestion/advice regarding this method. Thank You.

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Slavcho YaBB Moderator Offline tech.support Posts: 3408 Joined: Oct 19^th, 2005	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #9 - Jun 2^nd, 2023 at 5:22am	Print Post
	Nuget's 6.8.6.600 vs package.config 6.8.6.450 are .NET 6 and .NET 4.5 builds respectively. So it means you are loading the .NET 6 diagram version in .NET 6 app and it's working. I believe your class library won't work in .NET 4 app now though, so still no point not migrating it to .NET 6


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Tan YaBB Newbies Offline I Love MindFusion! Posts: 6 Joined: May 29^th, 2023	Re: MindFusion Diagram 6.8.6 not support .NET 6 or above Reply #10 - Jun 2^nd, 2023 at 6:19am	Print Post
	Hi, Thanks for the explanation. It explain a lot why it resolve. Ya, I will consider about it on .NET 4 class library to ensure it will able to work after changing it. As the class library is used by many area that not only happen in .NET6 project. By the way, thank you for the information you provided.


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