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<HTML><HEAD><TITLE>Xlib Programming Manual: XChangeSaveSet</TITLE></HEAD><BODY><H1 ALIGN=center>XChangeSaveSet</H1><H2>Syntax</H2><!.IN "XChangeSaveSet" "" "@DEF@"><CODE><PRE>XChangeSaveSet(<B>display</B>, <B>w</B>, <B>change_mode</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; Window <B>w</B>; int <B>change_mode</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>w</B><TD> Specifies the window that you want to add to or delete from the client's save-set.<TR><TD> <B>change_mode</B><TD> Specifies the mode.You can pass<B>SetModeInsert</B> or<B>SetModeDelete</B> .</TABLE><H2>Description</H2>Depending on the specified mode,<B>XChangeSaveSet()</B>either inserts or deletes the specified window from the client's save-set. The specified window must have been created by some other client,or a<B>BadMatch</B>error results.<P><B>XChangeSaveSet()</B>can generate<B>BadMatch</B> ,<B>BadValue</B> ,and<B>BadWindow</B> errors.<H2>Diagnostics</H2><TABLE><TR><TD><B>BadMatch</B><TD>An<B><A HREF="../window/create.html#InputClass">InputOnly</A></B>window is used as a Drawable.<TR><TD><B>BadMatch</B><TD>Some argument or pair of arguments has the correct type and range but fails to match in some other way required by the request.<TR><TD><B>BadValue</B><TD> Some numeric value falls outside the range of values accepted by the request. Unless a specific range is specified for an argument, the full range defined by the argument's type is accepted. Any argument defined as a set of alternatives can generate this error.<TR><TD><B>BadWindow</B><TD>A value for a Window argument does not name a defined Window.</TABLE><H2>See also</H2><B><A HREF="XAddToSaveSet.html">XAddToSaveSet()</A></B>,<B><A HREF="XRemoveFromSaveSet.html">XRemoveFromSaveSet()</A></B>,<B><A HREF="XReparentWindow.html">XReparentWindow()</A></B>,"<A HREF="controlling-window-lifetime.html">Controlling the Lifetime of a Window</A>".<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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