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jacobbo / WebEye

WebEye is a collection of .NET controls.
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"FileNotFoundException on Assembly WebEye.Stream.x64/32"/ .net core 3.1 using demo Stream.GetLocalStreams #73

Open professordave opened 4 years ago

professordave commented 4 years ago

Using the nuget version WebEyeStreamControl.Wpf 1.0.3 WebEye.Stream 1.0.2

Hello, Copied the demo code into a working .net core 3.1 project. Instead of my original real main window, place this code into another new Main windows that gets shown by a button.

Click on button Add Local Stream When the execution gets to the line from the demo: public ObservableCollection LocalStreams { get; } = new ObservableCollection(Stream.GetLocalStreams());

It throws a System.IO.FileNotFOundException.

System.IO.FileNotFoundException: 'Could not load file or assembly 'WebEye.Stream.x64, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'. The system cannot find the file specified.'

Tried forcing project to 32bit and 64bit and get the error for either the 64bit or the 32 bit assembly

I tried some code from the github repository var path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, Environment.Is64BitProcess ? "WebEye.Stream.x64.dll" : "WebEye.Stream.Win32.dll"); var name = AssemblyName.GetAssemblyName(path); return Assembly.Load(name).GetType("WebEye.ManagedWrapper");

And it seems to fail on the load, but the GetAssemblyName does succeed as the dll files are there

jacobbo commented 4 years ago

Hello, sorry, did not test it with .net core, try .net framework.

professordave commented 4 years ago

Yes the demo compiled and runs fine in .net 4.x

Problem is core 3.1

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 Hello, sorry, did not test it with .net core, try .net framework.

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professordave commented 4 years ago

I have an existing .net core 3.1 wpf project that I would like to add some video capture from usb attached video camera

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On Jan 13, 2020, at 4:09 PM, Alexander Iacobciuc notifications@github.com wrote:

 Hello, sorry, did not test it with .net core, try .net framework.

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professordave commented 4 years ago

Is the NuGet package too old. I am trying to use the NuGet package.

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On Jan 13, 2020, at 4:09 PM, Alexander Iacobciuc notifications@github.com wrote:

 Hello, sorry, did not test it with .net core, try .net framework.

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jacobbo commented 4 years ago

1.0.3 is the latest version.

arteny commented 4 years ago

Same error for .NET Framework 4.5.2 (WebEye.Stream.x64 not found). Where I can get WebEye.Stream.x64.dll?

jacobbo commented 4 years ago

the dll is part of the nuget package. do you see it there?

arteny commented 4 years ago

no, it is not present there for the mentioned framework version

Best regards, Alexey Barkalov С уважением, Алексей Баркалов

От: Alexander Iacobciuc notifications@github.com Отправлено: 5 июля 2020 г. 2:09 Кому: jacobbo/WebEye WebEye@noreply.github.com Копия: Alexey root@arteny.ru; Comment comment@noreply.github.com Тема: Re: [jacobbo/WebEye] "FileNotFoundException on Assembly WebEye.Stream.x64/32"/ .net core 3.1 using demo Stream.GetLocalStreams (#73)

the dll is part of the nuget package. do you see it there?

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jacobbo commented 4 years ago

It is there for net40, which is compatible with net 4.5.2. Can you go to your output directory and check whether WebEye.Stream.x64.dll is in there?

arteny commented 4 years ago

no, it was absent in program output directory, now I switched app to .net 4.6.1 and it becomes working

Best regards, Alexey Barkalov С уважением, Алексей Баркалов

От: Alexander Iacobciuc notifications@github.com Отправлено: 5 июля 2020 г. 14:26 Кому: jacobbo/WebEye WebEye@noreply.github.com Копия: Alexey root@arteny.ru; Comment comment@noreply.github.com Тема: Re: [jacobbo/WebEye] "FileNotFoundException on Assembly WebEye.Stream.x64/32"/ .net core 3.1 using demo Stream.GetLocalStreams (#73)

It is there for net40, which is compatible with net 4.5.2. Can you go to your output directory and check whether WebEye.Stream.x64.dll is in there?

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gigyjoseph commented 2 years ago

Same error for .NET Framework 4.5.2 (WebEye.Stream.x64 not found). Where I can get WebEye.Stream.x64.dll?

Need to build Native project in 64 bit mode. And mostly you need Boost C++ library also 64 bit build