c#: configure path to referenced assemblies (separate exe and dll) and how to handle loading of assemblies in [dllImport] [notes]

.Net c#: Configure the path to reference assemblies (separate exe and dll): https://blog.csdn.net/prince_lintb/article/details/40789237

How to control where C# references DLLs: https://blog.csdn.net/skysword2/article/details/52604770