win32gui

I'm trying to create a fake fullscreen mode for Reaper. I want to move the menu bar out of the visible screen area by making the window 20 points higher than the screen's dimensions. Issue: the task bar gets visible as soon as the window

Does anyone have a resource or guide that can help me with the creation of dockable windows, preferably using only win32, something similar to this:enter image description here Understand it can be done with MFC, but I'm determined to ac