How can i make a simple grid with editable height and length with c++?

Trying to make figure out how i could make and spawn a basic grid in c++ but i have no idea where to start. Can someone give me some pointers on what to do/learn/etc?

All i’m trying to make is a simple grid with adjustable width and height in the editor. Where should i begin?

Trying to make figure out

Trying to figure out*

Sorry my mind is a mess right now :smiley: