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A window remains visible on its frame unless you delete it by calling certain functions that delete windows. A deleted window 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 window aside from restoring a saved window configuration (see Window Configurations). Restoring a window configuration also deletes any windows that aren't part of that configuration.
When you delete a window, the space it took up is given to one adjacent sibling.
This function returns
nil
if window is deleted, andt
otherwise.Warning: Erroneous information or fatal errors may result from using a deleted window as if it were live.
This function removes window from display, and returns
nil
. If window is omitted, then the selected window is deleted. An error is signaled if there is only one window whendelete-window
is called.
This function makes window the only window on its frame, by deleting the other windows in that frame. If window is omitted or
nil
, then the selected window is used by default.The return value is
nil
.
This function deletes all windows showing buffer. If there are no windows showing buffer, it does nothing.
delete-windows-on
operates frame by frame. If a frame has several windows showing different buffers, then those showing buffer are removed, and the others expand to fill the space. If all windows in some frame are showing buffer (including the case where there is only one window), then the frame reverts to having a single window showing another buffer chosen withother-buffer
. See The Buffer List.The argument frame controls which frames to operate on. This function does not use it in quite the same way as the other functions which scan all windows; specifically, the values
t
andnil
have the opposite of their meanings in other functions. Here are the full details:
- If it is
nil
, operate on all frames.- If it is
t
, operate on the selected frame.- If it is
visible
, operate on all visible frames.- If it is 0, operate on all visible or iconified frames.
- If it is a frame, operate on that frame.
This function always returns
nil
.