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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
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.\"
.ds xT X Toolkit Intrinsics \- C Language Interface
.ds xW Athena X Widgets \- C Language X Toolkit Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
.na
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.ny0
.TH XUnmapWindow 3 "libX11 1.6.8" "X Version 11" "XLIB FUNCTIONS"
.SH NAME
XUnmapWindow, XUnmapSubwindows \- unmap windows
.SH SYNTAX
.HP
int XUnmapWindow\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^); 
.HP
int XUnmapSubwindows\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^); 
.SH ARGUMENTS
.IP \fIdisplay\fP 1i
Specifies the connection to the X server.
.IP \fIw\fP 1i
Specifies the window.
.SH DESCRIPTION
The
.ZN XUnmapWindow
function unmaps the specified window and causes the X server to generate an
.ZN UnmapNotify
.IN "UnmapNotify Event"
.IN "XUnmapWindow"
event.
If the specified window is already unmapped, 
.ZN XUnmapWindow 
has no effect.
Normal exposure processing on formerly obscured windows is performed.
Any child window will no longer be visible until another map call is
made on the parent.
In other words, the subwindows are still mapped but are not visible
until the parent is mapped.
Unmapping a window will generate 
.ZN Expose 
events on windows that were formerly obscured by it.
.LP
.ZN XUnmapWindow
can generate a
.ZN BadWindow 
error.
.LP
The
.ZN XUnmapSubwindows
function unmaps all subwindows for the specified window in bottom-to-top
stacking order.
It causes the X server to generate an
.ZN UnmapNotify
event on each subwindow and 
.ZN Expose 
events on formerly obscured windows.
.IN "UnmapNotify Event"
Using this function is much more efficient than unmapping multiple windows
one at a time because the server needs to perform much of the work
only once, for all of the windows, rather than for each window.
.LP
.ZN XUnmapSubwindows
can generate a
.ZN BadWindow 
error.
.SH DIAGNOSTICS
.TP 1i
.ZN BadWindow
A value for a Window argument does not name a defined Window.
.SH "SEE ALSO"
XChangeWindowAttributes(3),
XConfigureWindow(3),
XCreateWindow(3),
XDestroyWindow(3),
XMapWindow(3)
XRaiseWindow(3)
.br
\fI\*(xL\fP
