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Question by rlmod17 · Sep 23, 2019 at 04:35 PM · missingreferenceexception

Using a DLL to acess BTLE inside Unity

I have built a C# DLL which reads a BTLE device, this works fine with a test program which references the DLL without using Unity.

However when I try to use it inside unity I get

Error: Could not load signature of GyroManager:get_GyroDeviceFilter due to: Could not load file or assembly 'Windows.Foundation.UniversalApiContract, Version=8.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. assembly:Windows.Foundation.UniversalApiContract, Version=8.0.0.0, Culture=neutral, PublicKeyToken=null type: member:(null) signature:

It looks like its looking for the API to use BTLE which is part of Windows.SDK.Contracts

How do I tell unity where to find this, it does not seem to be a DLL, just a set of references.

If thats not possible are there any other ways of using Native Windows BTLE code from within unity please?

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