No you do not:
https://stackoverflow.com/q/38376260/850848

martin wrote:

How are you trying to register the DLL?

Did you read this?
https://winscp.net/eng/docs/library_install#registering

yes. i successfully registered it using dos command window and generated a tlib.

in order to use it within dolphin you need to have its tools register the dll and tlib. when i do either of these i get errors.

john

How are you trying to register the DLL?

Did you read this?
https://winscp.net/eng/docs/library_install#registering

hi,

i'm trying to integrate winscp dll into dolphin smalltalk dev environment. when i try to register winscpnet.dll i get "winscpnet.dll was loaded but DllRegisterServer entry point could not be found.". any idea what is going on? i'm using winscp 5.8.1 beta on win 7.

thanks