Date: Tue, 4 Apr 2023 21:11:39 +0200
From: David Hedlund <public@beloved.name>

From
https://www.gnu.org/software/emacs/manual/html_node/efaq/Fullscreen-mode-on-MS_002dWindows.html

"To avoid the slightly distracting visual effect of Emacs starting with its default frame size and then growing
to fullscreen, you can add an ‘Emacs.Geometry’ entry to the Windows registry settings. See X Resources in
The GNU Emacs Manual. 

To compute the correct values for width and height, first maximize the Emacs frame and then evaluate
(frame-height) and (frame-width) with M-:."

This could be added to
https://www.gnu.org/software/emacs/manual/html_node/efaq/Fullscreen-mode-on-MS_002dWindows.html
to help the users to automatically compute the values with (display-pixel-width) and (display-pixel-height):

(setq frame-resize-pixelwise t)

(set-frame-position (selected-frame) 0 0)

(set-frame-size (selected-frame) (display-pixel-width) (display-pixel-height) t)

Thanks, but resizing a frame doesn't make it fullscreen, does it?

Because the task bar stays on screen, and thus the frame cannot be as
large as a full-screen frame you get when you press F11.  Right?