NET assembly unload conundrum
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I am trying to develop a C# class in Visual Studio and test it in Matlab. I can load the NET assembly and use it okay, but a problem arises if I change the NET code.
If I load the NET assembly into Matlab from the Visual Studio debug folder I can't rebuild the assembly in Visual Studio.
If I copy the dll into a local folder and load into Matlab from there I can only load once. Subsequent times I get the following error: "The process cannot access the file because it is being used by another process." In other words it won't let me copy the new dll because the old one is still in use.
So at the moment if I change the assembly code I have to close Matlab and reopen it to test the new assembly. This is adding quite a lot of time to my development.
I believe my version of Matlab (2010a) cannot unload NET assemblies. Does anyone know of another way around this?
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Fab
2013-7-19
0 个投票
According to Matlab's support rebooting is the only solution to this problem for the current Matlab Version (8.1.0.604, R2013a):
"The ability to unload an assembly is not available in MATLAB at this point of time. This may be addressed in one of the future releases. Currently, to work around this issue, restart MATLAB."
Somehow shocking, isn't it? (see also http://www.mathworks.com/matlabcentral/newsreader/view_thread/330604)
更多回答（5 个）
Cameron
2016-2-2
0 个投票
I am also having this same problem with R2015b. Any resolution??
imme werus
2017-4-24
编辑：imme werus
2017-4-24
0 个投票
I think it is also the same for 2016b, is that true ?
Markus Finkeldey
2017-10-10
编辑：Markus Finkeldey
2017-10-10
0 个投票
It seems that the .NET support of Matlab is very limited even in R2017a, makes it a hell of a workload if you want to access a c# library instead of a pure c library.
Travis Leith
2019-10-30
0 个投票
This is still an issue going into 2020 :(
3 个评论
Paul Kelly
2019-10-30
Roofus Milton
2019-11-15
Yup. Wolfram has great integration. I suspect their approach creates a new AppDomain and subsequently loads the requested assemblies. LINQPad has remained my default testing tool.
Carlo
2024-2-16
Still a problem in matlab 23!
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