39.4 Deleting Frames

Frames remain potentially visible until you explicitly delete them. A deleted frame cannot appear on the screen, but continues to exist as a Lisp object until there are no references to it.

Command: delete-frame &optional frame force

This function deletes the frame frame. By default, frame is the selected frame.

A frame may not be deleted if its minibuffer is used by other frames. Normally, you cannot delete the last non-minibuffer-only frame (you must use save-buffers-kill-emacs or kill-emacs). However, if optional second argument force is non-nil, you can delete the last frame. (This will automatically call save-buffers-kill-emacs.)

Function: frame-live-p frame

The function frame-live-p returns non-nil if the frame frame has not been deleted.