wanted to add AwUsbApi.dll lib but got

trying to validate dlls

https://stackoverflow.com/questions/3456758/a-reference-to-the-dll-could-not-be-added

using VS Developer Command Prompt

https://docs.microsoft.com/en-us/visualstudio/ide/reference/command-prompt-powershell?view=vs-2022

C:\Program Files\Digi\AnywhereUSB\Advanced>tlbimp AwUsbApi.dll
Microsoft (R) .NET Framework Type Library to Assembly Converter 4.8.3928.0
Copyright (C) Microsoft Corporation.  All rights reserved.

TlbImp : error TI1002 : The input file 'C:\Program Files\Digi\AnywhereUSB\Advanced\AwUsbApi.dll' is not a valid type library.

C:\Program Files\Digi\AnywhereUSB\Advanced>Tlbexp AwUsbApi.dll
Microsoft (R) .NET Framework Assembly to Type Library Converter 4.8.3928.0
Copyright (C) Microsoft Corporation.  All rights reserved.

TlbExp : error TX0000 : Could not load file or assembly 'file:///C:\Program Files\Digi\AnywhereUSB\Advanced\AwUsbApi.dll' or one of its dependencies. The module was expected to contain an assembly manifest.

ist not the first problem. already encountered on digi forum

https://www.digi.com/support/forum/27954/problems-with-awusbapi-dll