An frame on a window system may be visible, invisible, or iconified. If it is visible, you can see its contents. If it is iconified, the frame’s contents do not appear on the screen, but an icon does. If the frame is invisible, it doesn’t show on the screen, not even as an icon.
Visibility is meaningless for TTY frames, since only the selected one is actually displayed in any case.
This function makes frame frame visible. If you omit frame, it makes the selected frame visible.
This function makes frame frame invisible.
This function iconifies frame frame.
This function de-iconifies frame frame. Under a window system,
this is equivalent to
This returns whether frame is currently “visible” (actually in use for display). A frame that is not visible is not updated, and, if it works through a window system, may not show at all.
This returns whether frame is iconified. Not all window managers
use icons; some merely unmap the window, so this function is not the
frame-visible-p. It is possible for a frame to not
be visible and not be iconified either. However, if the frame is
iconified, it will not be visible. (Under FSF Emacs, the functionality
of this function is obtained through
This returns whether frame is not obscured by any other X
windows. On TTY frames, this is the same as