Use .NET native dll calls

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Hi, recently i doing a little crazy stuff with unity. so what I do is copy a .NET assemblies (System.Management) to unity Plugins folder. then, I trying to test it within my project using this code:

 ManagementObjectSearcher searcher = new ManagementObjectSearcher (
 WMINamespace,
 "SELECT " + Member + " FROM " + WMIClass + " " + AddQuery);

but suddenly, when i try that script, unity crashed even when i debug my script from MonoDevelop. even when i build the project, unity fail to compile the .NET assembly inside Plugins folder.

so is there anybody have tried this crazy stuff? cause as far as i know that Unity are using mono Assemblies, and from mono documentation says, System.Management are not included in their assemblies.

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Answer by SirAstral · Mar 27, 2015 at 12:36 AM

If you are trying to do what I am doing, you cannot just import .Net DLL class libraries. You need to first set Unity API Compatibility Level to .NET 2.0 instead of .NET 2.0 subset.

Unless you are doing something weird by all account Unity does not support anything higher than .Net 3.5 dll's being imported. So if you are like me and trying to build a WebPlayer bases application that needs to use this, then you are just flat out of luck unless you build an entire class from pure scratch to support it. This tool would make a beastly application platform if Unity would just get their act together with .Net support. It is shocking that a lot of organizations just do not keep up to date support for .Net in their products properly... Microsoft including and its their own product. Shocker there right?

http://answers.unity3d.com/questions/932874/adding-service-references.html

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WillNode · Mar 27, 2015 at 12:06 PM 0

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thanks!, now i can run and build my project. to make unity are not crashed, I need to reference my script as DLLs

but there is new problem, Unity gives me new Error :

 NotImplementedException: The requested feature is not implemented.
 System.$$anonymous$$anagement.$$anonymous$$anagementObjectSearcher..ctor (System.String scope, System.String queryString)
 (wrapper remoting-invoke-with-check) System.$$anonymous$$anagement.$$anonymous$$anagementObjectSearcher:.ctor (string,string)
 W$$anonymous$$IPort.WmiGetValue (System.String W$$anonymous$$INamespace, System.String W$$anonymous$$IClass, System.String $$anonymous$$ember, Int32 Index, System.String AddQuery)
 W$$anonymous$$IPort+<loop>d__0.$$anonymous$$oveNext ()
 UnityEngine.$$anonymous$$onoBehaviour:StartCoroutine(IEnumerator)
 W$$anonymous$$IPort:Start()

and i see that i'm use .NET version 4.0, how I can insert .NET Dlls version 2.0? it should be exist somewhere.

WillNode · Mar 27, 2015 at 12:54 PM 0

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okay, I found it on %windir%\$$anonymous$$icrosoft.NET, but it still gives me same error.

look like I'm out of luck.

SirAstral · Mar 27, 2015 at 01:21 PM 0

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There are a lot of areas you can find DLL's to import. Windows, Program Files they have several directories holding .net libraries.

If you are looking for the proper version of System.$$anonymous$$anagement.dll try here

Program Files (x86)\Reference Assemblies\$$anonymous$$icrosoft\Framework.NETFramework\v3.5\Profile

Hope this helps!

WillNode · Mar 27, 2015 at 09:44 PM 0

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hmmm, i the Profile folder isn't exist for me,

but any way, your answer is enough to solve my problem, i just make little experiment with unity, and look like it's won't be supported in unity since it's a cross platform.

Use .NET native dll calls

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