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<HTML><HEAD><TITLE>Xlib Programming Manual: XUngrabButton</TITLE></HEAD><BODY><H1 ALIGN=center>XUngrabButton</H1><H2>Syntax</H2><!.IN "Ungrabbing" "buttons"><!.IN "Button" "ungrabbing"><!.IN "XUngrabButton" "" "@DEF@"><CODE><PRE>XUngrabButton(<B>display</B>, <B>button</B>, <B>modifiers</B>, <B>grab_window</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; unsigned int <B>button</B>; unsigned int <B>modifiers</B>; Window <B>grab_window</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>button</B><TD> Specifies the pointer button that is to be released or<B>AnyButton</B>.<TR><TD> <B>modifiers</B><TD> Specifies the set of keymasks or<B>AnyModifier</B>.The mask is the bitwise inclusive OR of the valid keymask bits.<TR><TD> <B>grab_window</B><TD> Specifies the grab window.</TABLE><H2>Description</H2>The<B>XUngrabButton()</B>function releases the passive button/key combination on the specified window ifit was grabbed by this client.A modifiers of <B>AnyModifier</B> isequivalent to issuing the ungrab request for all possible modifier combinations, including the combination of no modifiers.A button of <B>AnyButton</B> is equivalent to issuing therequest for all possible buttons.<B>XUngrabButton()</B>has no effect on an active grab.<P><B>XUngrabButton()</B>can generate<B>BadValue</B>and<B>BadWindow</B> errors.<H2>Diagnostics</H2><TABLE><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="XAllowEvents.html">XAllowEvents()</A></B>,<B><A HREF="XChangeActivePointerGrab.html">XChangeActivePointerGrab()</A></B>,<B><A HREF="XGrabButton.html">XGrabButton()</A></B>,<B><A HREF="XGrabKey.html">XGrabKey()</A></B>,<B><A HREF="XGrabKeyboard.html">XGrabKeyboard()</A></B>,<B><A HREF="XGrabPointer.html">XGrabPointer()</A></B>,<B><A HREF="XUngrabPointer.html">XUngrabPointer()</A></B>,"<A HREF="pointer-grabbing.html">Pointer Grabbing</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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