gPhoto2.NET is a native binding for libgphoto2.
Have a look at these other bindings:
lecode-official/gphoto2-dotnet
gPhoto2.NET is an easy-to-use .NET wrapper for the popular gPhoto2. It can be used to easily interface with DSLRs or other types of cameras from a .NET application. gPhoto2.NET was developed using Mono on Linux and was specifically made for the use on Raspberry Pi.
C#MIT