How do I make SetThreadDesktop API work from a console application?

Question

I saw Stack Overflow question How to switch a process between default desktop and Winlogon desktop?.

And I have produced a minimal test-case creating a cons

Answer 1

From the SetThreadDesktop() documentation:

The SetThreadDesktop function will fail if the calling thread has any windows or hooks on its current desktop (unless the hDesktop parameter is a handle to the current desktop).