Why doesn't glUseProgram work?

Question

C++ / C#

Hello, I made shaders according to the lesson and for some reason, both with mine and with the source code of the glUseProgram lesson, it doesn’t work for me.

Mistake:

error C3861: __glewUseProgram: идентификатор не найден

PS It seems that everything was indicated to solve the problem, if not, then write - I will add
PS2 It seems that all imports are configured correctly, because if it were not so, then other functions would fall down

Answer 1

It seems that the problem was still in GLEW, because reinstalling it helped to solve the error.
UPD: This function still behaves very strange, although, perhaps, I don’t understand something: if it is called in the same method with glLinkProgram (), then the error remains, but if you create a separate method - no