How to make buttons inline in bot in C# VKNET?

Question

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Documentation from VK: https://vk.com/dev/bots_docs_3
Other questions and Google in general describe how to create a regular keyboard at the bottom of the page.
But nowhere is it written how to make the buttons inline (inside the message, like in the cart)
So how to do it?

Answer 1

But nowhere is it written how to make the buttons inline (inside the message, like in a cart)

and if you are more careful

inline
bool Whether the keyboard should be displayed inside the message. Possible values:
true - the keyboard is displayed inside the message. The one_time parameter is not supported;
false - default keyboard display.