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(elisp)Deleting Frames

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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.  There is no
way to cancel the deletion of a frame aside from restoring a saved frame
configuration (Note: Frame Configurations); this is similar to the
way windows behave.

 - Command: delete-frame &optional frame force
     This function deletes the frame FRAME after running the hook
     `delete-frame-hook'.  By default, FRAME is the selected frame.

     A frame cannot be deleted if its minibuffer is used by other
     frames.  Normally, you cannot delete a frame if all other frames
     are invisible, but if the FORCE is non-`nil', then you are allowed
     to do so.

 - Function: frame-live-p frame
     The function `frame-live-p' returns non-`nil' if the frame FRAME
     has not been deleted.

   Some window managers provide a command to delete a window.  These
work by sending a special message to the program that operates the
window.  When Emacs gets one of these commands, it generates a
`delete-frame' event, whose normal definition is a command that calls
the function `delete-frame'.  Note: Misc Events.