Linqpad compiles the script to a temporary assembly somewhere in
C:\Users\G\AppData\Local\Temp\LINQPad7\_pogqzobt\shadow-1
and also copies Au.dll there, but does not copy AuCpp.dll.
Solution:
Add environment variable
Au.Path=original Au.dll folder path
C:\Users\G\AppData\Local\Temp\LINQPad7\_pogqzobt\shadow-1
and also copies Au.dll there, but does not copy AuCpp.dll.
Solution:
Add environment variable
Au.Path=original Au.dll folder path