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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><meta name="viewport" content="width=device-width, initial-scale=0.8"/><title>3.18&nbsp;</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="../racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,&quot;tocview_0&quot;);">&#9658;</a></td><td></td><td><a href="index.html" class="tocviewlink" data-pltdoc="x">The Racket Graphical Interface Toolkit</a></td></tr></table></div><div class="tocviewsublisttop" style="display: none;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1&nbsp;</td><td><a href="windowing-overview.html" class="tocviewlink" data-pltdoc="x">Windowing</a></td></tr><tr><td align="right">2&nbsp;</td><td><a href="Widget_Gallery.html" class="tocviewlink" data-pltdoc="x">Widget Gallery</a></td></tr><tr><td align="right">3&nbsp;</td><td><a href="Windowing_Classes.html" class="tocviewselflink" data-pltdoc="x">Windowing Classes</a></td></tr><tr><td align="right">4&nbsp;</td><td><a href="Windowing_Functions.html" class="tocviewlink" data-pltdoc="x">Windowing Functions</a></td></tr><tr><td align="right">5&nbsp;</td><td><a href="editor-overview.html" class="tocviewlink" data-pltdoc="x">Editors</a></td></tr><tr><td align="right">6&nbsp;</td><td><a href="Snip_and_Style_Classes.html" class="tocviewlink" data-pltdoc="x">Snip and Style Classes</a></td></tr><tr><td align="right">7&nbsp;</td><td><a href="Editor_Classes.html" class="tocviewlink" data-pltdoc="x">Editor Classes</a></td></tr><tr><td align="right">8&nbsp;</td><td><a href="Editor_Functions.html" class="tocviewlink" data-pltdoc="x">Editor Functions</a></td></tr><tr><td align="right">9&nbsp;</td><td><a href="WXME_Decoding.html" class="tocviewlink" data-pltdoc="x">WXME Decoding</a></td></tr><tr><td align="right">10&nbsp;</td><td><a href="mredprefs.html" class="tocviewlink" data-pltdoc="x">Preferences</a></td></tr><tr><td align="right">11&nbsp;</td><td><a href="Dynamic_Loading.html" class="tocviewlink" data-pltdoc="x">Dynamic Loading</a></td></tr><tr><td align="right">12&nbsp;</td><td><a href="Startup_Actions.html" class="tocviewlink" data-pltdoc="x">Startup Actions</a></td></tr><tr><td align="right">13&nbsp;</td><td><a href="Init_Libraries.html" class="tocviewlink" data-pltdoc="x">Init Libraries</a></td></tr><tr><td align="right">14&nbsp;</td><td><a href="libs.html" class="tocviewlink" data-pltdoc="x">Platform Dependencies</a></td></tr><tr><td align="right"></td><td><a href="doc-index.html" class="tocviewlink" data-pltdoc="x">Index</a></td></tr></table></div></div><div class="tocviewlist"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,&quot;tocview_1&quot;);">&#9660;</a></td><td>3&nbsp;</td><td><a href="Windowing_Classes.html" class="tocviewlink" data-pltdoc="x">Windowing Classes</a></td></tr></table><div class="tocviewsublistbottom" style="display: block;" id="tocview_1"><table cellspacing="0" cellpadding="0"><tr><td align="right">3.1&nbsp;</td><td><a href="area___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">area&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.2&nbsp;</td><td><a href="area-container___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">area-<wbr></wbr>container&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.3&nbsp;</td><td><a href="area-container-window___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">area-<wbr></wbr>container-<wbr></wbr>window&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.4&nbsp;</td><td><a href="button_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">button%</span></span></a></td></tr><tr><td align="right">3.5&nbsp;</td><td><a href="canvas___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">canvas&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.6&nbsp;</td><td><a href="canvas_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">canvas%</span></span></a></td></tr><tr><td align="right">3.7&nbsp;</td><td><a href="check-box_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">check-<wbr></wbr>box%</span></span></a></td></tr><tr><td align="right">3.8&nbsp;</td><td><a href="checkable-menu-item_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">checkable-<wbr></wbr>menu-<wbr></wbr>item%</span></span></a></td></tr><tr><td align="right">3.9&nbsp;</td><td><a href="choice_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">choice%</span></span></a></td></tr><tr><td align="right">3.10&nbsp;</td><td><a href="clipboard-client_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">clipboard-<wbr></wbr>client%</span></span></a></td></tr><tr><td align="right">3.11&nbsp;</td><td><a href="clipboard___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">clipboard&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.12&nbsp;</td><td><a href="combo-field_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">combo-<wbr></wbr>field%</span></span></a></td></tr><tr><td align="right">3.13&nbsp;</td><td><a href="control___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">control&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.14&nbsp;</td><td><a href="column-control-event_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">column-<wbr></wbr>control-<wbr></wbr>event%</span></span></a></td></tr><tr><td align="right">3.15&nbsp;</td><td><a href="control-event_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">control-<wbr></wbr>event%</span></span></a></td></tr><tr><td align="right">3.16&nbsp;</td><td><a href="cursor_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">cursor%</span></span></a></td></tr><tr><td align="right">3.17&nbsp;</td><td><a href="dialog_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">dialog%</span></span></a></td></tr><tr><td align="right">3.18&nbsp;</td><td><a href="" class="tocviewselflink" data-pltdoc="x"></a></td></tr><tr><td align="right">3.19&nbsp;</td><td><a href="frame_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">frame%</span></span></a></td></tr><tr><td align="right">3.20&nbsp;</td><td><a href="gauge_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">gauge%</span></span></a></td></tr><tr><td align="right">3.21&nbsp;</td><td><a href="group-box-panel_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">group-<wbr></wbr>box-<wbr></wbr>panel%</span></span></a></td></tr><tr><td align="right">3.22&nbsp;</td><td><a href="grow-box-spacer-pane_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">grow-<wbr></wbr>box-<wbr></wbr>spacer-<wbr></wbr>pane%</span></span></a></td></tr><tr><td align="right">3.23&nbsp;</td><td><a href="horizontal-pane_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">horizontal-<wbr></wbr>pane%</span></span></a></td></tr><tr><td align="right">3.24&nbsp;</td><td><a href="horizontal-panel_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">horizontal-<wbr></wbr>panel%</span></span></a></td></tr><tr><td align="right">3.25&nbsp;</td><td><a href="key-event_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">key-<wbr></wbr>event%</span></span></a></td></tr><tr><td align="right">3.26&nbsp;</td><td><a href="labelled-menu-item___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">labelled-<wbr></wbr>menu-<wbr></wbr>item&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.27&nbsp;</td><td><a href="list-box_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">list-<wbr></wbr>box%</span></span></a></td></tr><tr><td align="right">3.28&nbsp;</td><td><a href="list-control___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">list-<wbr></wbr>control&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.29&nbsp;</td><td><a href="menu_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">menu%</span></span></a></td></tr><tr><td align="right">3.30&nbsp;</td><td><a href="menu-bar_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">menu-<wbr></wbr>bar%</span></span></a></td></tr><tr><td align="right">3.31&nbsp;</td><td><a href="menu-item___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">menu-<wbr></wbr>item&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.32&nbsp;</td><td><a href="menu-item_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">menu-<wbr></wbr>item%</span></span></a></td></tr><tr><td align="right">3.33&nbsp;</td><td><a href="menu-item-container___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">menu-<wbr></wbr>item-<wbr></wbr>container&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.34&nbsp;</td><td><a href="message_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">message%</span></span></a></td></tr><tr><td align="right">3.35&nbsp;</td><td><a href="mouse-event_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">mouse-<wbr></wbr>event%</span></span></a></td></tr><tr><td align="right">3.36&nbsp;</td><td><a href="pane_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">pane%</span></span></a></td></tr><tr><td align="right">3.37&nbsp;</td><td><a href="panel_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">panel%</span></span></a></td></tr><tr><td align="right">3.38&nbsp;</td><td><a href="popup-menu_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">popup-<wbr></wbr>menu%</span></span></a></td></tr><tr><td align="right">3.39&nbsp;</td><td><a href="printer-dc_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">printer-<wbr></wbr>dc%</span></span></a></td></tr><tr><td align="right">3.40&nbsp;</td><td><a href="radio-box_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">radio-<wbr></wbr>box%</span></span></a></td></tr><tr><td align="right">3.41&nbsp;</td><td><a href="selectable-menu-item___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">selectable-<wbr></wbr>menu-<wbr></wbr>item&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.42&nbsp;</td><td><a href="separator-menu-item_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">separator-<wbr></wbr>menu-<wbr></wbr>item%</span></span></a></td></tr><tr><td align="right">3.43&nbsp;</td><td><a href="scroll-event_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">scroll-<wbr></wbr>event%</span></span></a></td></tr><tr><td align="right">3.44&nbsp;</td><td><a href="slider_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">slider%</span></span></a></td></tr><tr><td align="right">3.45&nbsp;</td><td><a href="subarea___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">subarea&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.46&nbsp;</td><td><a href="subwindow___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">subwindow&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.47&nbsp;</td><td><a href="tab-panel_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">tab-<wbr></wbr>panel%</span></span></a></td></tr><tr><td align="right">3.48&nbsp;</td><td><a href="text-field_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">text-<wbr></wbr>field%</span></span></a></td></tr><tr><td align="right">3.49&nbsp;</td><td><a href="timer_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">timer%</span></span></a></td></tr><tr><td align="right">3.50&nbsp;</td><td><a href="top-level-window___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">top-<wbr></wbr>level-<wbr></wbr>window&lt;%&gt;</span></span></a></td></tr><tr><td align="right">3.51&nbsp;</td><td><a href="vertical-pane_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">vertical-<wbr></wbr>pane%</span></span></a></td></tr><tr><td align="right">3.52&nbsp;</td><td><a href="vertical-panel_.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">vertical-<wbr></wbr>panel%</span></span></a></td></tr><tr><td align="right">3.53&nbsp;</td><td><a href="window___.html" class="tocviewlink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">window&lt;%&gt;</span></span></a></td></tr></table></div></div></div><div class="tocsub"><div class="tocsubtitle">On this page:</div><table class="tocsublist" cellspacing="0"><tr><td><a href="#%28def._%28%28lib._mred%2Fmain..rkt%29._event~25%29%29" class="tocsublink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">event%</span></span></a></td></tr><tr><td><a href="#%28constructor._%28%28lib._mred%2Fmain..rkt%29._event~25%29%29" class="tocsublink" data-pltdoc="x"><span class="RktSym"><span class="RktStxLink">new</span></span></a></td></tr><tr><td><a href="#%28meth._%28%28%28lib._mred%2Fmain..rkt%29._event~25%29._get-time-stamp%29%29" class="tocsublink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">get-<wbr></wbr>time-<wbr></wbr>stamp</span></span></a></td></tr><tr><td><a href="#%28meth._%28%28%28lib._mred%2Fmain..rkt%29._event~25%29._set-time-stamp%29%29" class="tocsublink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">set-<wbr></wbr>time-<wbr></wbr>stamp</span></span></a></td></tr></table></div></div><div class="maincolumn"><div class="main"><div class="navsettop"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, &quot;7.4&quot;, &quot;../&quot;);" onfocus="this.style.color=&quot;black&quot;; this.style.textAlign=&quot;left&quot;; if (this.value == &quot;...search manuals...&quot;) this.value=&quot;&quot;;" onblur="if (this.value.match(/^ *$/)) { this.style.color=&quot;#888&quot;; this.style.textAlign=&quot;center&quot;; this.value=&quot;...search manuals...&quot;; }"/></form>&nbsp;&nbsp;<a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot(&quot;7.4&quot;);">top</a></span><span class="navright">&nbsp;&nbsp;<a href="dialog_.html" title="backward to &quot;3.17 dialog%&quot;" data-pltdoc="x">&larr; prev</a>&nbsp;&nbsp;<a href="Windowing_Classes.html" title="up to &quot;3 Windowing Classes&quot;" data-pltdoc="x">up</a>&nbsp;&nbsp;<a href="frame_.html" title="forward to &quot;3.19 frame%&quot;" data-pltdoc="x">next &rarr;</a></span>&nbsp;</div><a name="(part._)"></a><a name="(mod-path._racket/gui/event)"></a><p>The bindings documented in this section are also provided by the
<a href="index.html" class="RktModLink" data-pltdoc="x"><span class="RktSym">racket/gui/base</span></a> library.</p><p><table cellspacing="0" cellpadding="0" class="defmodule"><tr><td align="left"><span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=require.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fbase..rkt%2529._require%2529%2529&amp;version=7.4" class="RktStxLink Sq" data-pltdoc="x">require</a></span><span class="stt"> </span><a href="" class="RktModLink" data-pltdoc="x"><span class="RktSym">racket/gui/event</span></a><span class="RktPn">)</span></td><td align="right"><span class="RpackageSpec"><span class="Smaller">&nbsp;package:</span> <a href="https://pkgs.racket-lang.org/package/gui-lib" title="Install this package using `raco pkg install gui-lib`"><span class="stt">gui-lib</span></a></span></td></tr></table></p><p><div class="SIntrapara"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>class</p></div></div><p class="RForeground"><a name="(def._((lib._mred/main..rkt)._event~25))"></a><span title="Provided from: racket/gui/event, racket/gui/base, racket/gui | Package: gui-lib"><span class="RktSym"><a href="#%28def._%28%28lib._mred%2Fmain..rkt%29._event~25%29%29" class="RktValDef RktValLink" data-pltdoc="x">event%</a></span></span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=objectutils.html%23%2528def._%2528%2528lib._racket%252Fprivate%252Fclass-internal..rkt%2529._class%7E3f%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">class?</a></span></p></blockquote></td></tr><tr><td><p><span class="hspace">&nbsp;&nbsp;</span>superclass:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=createclass.html%23%2528def._%2528%2528lib._racket%252Fprivate%252Fclass-internal..rkt%2529._object%7E25%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">object%</a></span></p></td></tr></table></div><div class="SIntrapara">An <span class="RktSym"><a href="#%28def._%28%28lib._mred%2Fmain..rkt%29._event~25%29%29" class="RktValLink" data-pltdoc="x">event%</a></span> object contains information about a control,
keyboard, mouse, or scroll event. See also
<span class="RktSym"><a href="control-event_.html" class="RktValLink" data-pltdoc="x">control-event%</a></span>,
<span class="RktSym"><a href="key-event_.html" class="RktValLink" data-pltdoc="x">key-event%</a></span>,
<span class="RktSym"><a href="mouse-event_.html" class="RktValLink" data-pltdoc="x">mouse-event%</a></span>, and
<span class="RktSym"><a href="scroll-event_.html" class="RktValLink" data-pltdoc="x">scroll-event%</a></span>.</div><div class="SIntrapara"><blockquote class="leftindent"><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>constructor</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(constructor._((lib._mred/main..rkt)._event~25))"></a><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=objcreation.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fclass-internal..rkt%2529._new%2529%2529&amp;version=7.4" class="RktStxLink Sq" data-pltdoc="x">new</a></span><span class="hspace">&nbsp;</span><span class="RktSym"><a href="#%28def._%28%28lib._mred%2Fmain..rkt%29._event~25%29%29" class="RktValLink" data-pltdoc="x">event%</a></span><span class="hspace">&nbsp;</span>[<span class="RktPn">[</span><span class="RktSym">time-stamp</span><span class="hspace">&nbsp;</span><span class="RktVar">time-stamp</span><span class="RktPn">]</span>]<span class="RktPn">)</span><span class="hspace">&nbsp;</span>&rarr;<span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=Object_and_Class_Contracts.html%23%2528def._%2528%2528lib._racket%252Fclass..rkt%2529._is-a%7E3f%252Fc%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">is-a?/c</a></span><span class="hspace">&nbsp;</span><span class="RktSym"><a href="#%28def._%28%28lib._mred%2Fmain..rkt%29._event~25%29%29" class="RktValLink" data-pltdoc="x">event%</a></span><span class="RktPn">)</span></p></blockquote></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="RktVar">time-stamp</span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=number-types.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._exact-integer%7E3f%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">exact-integer?</a></span><span class="hspace">&nbsp;</span>=<span class="hspace">&nbsp;</span><span class="RktVal">0</span></td></tr></table></blockquote></div><div class="SIntrapara">See <span class="RktSym"><a href="#%28meth._%28%28%28lib._mred%2Fmain..rkt%29._event~25%29._get-time-stamp%29%29" class="RktValLink" data-pltdoc="x">get-time-stamp</a></span> for information about
 <span class="RktVar">time-stamp</span>.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>method</p></div></div><p class="RForeground"><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=ivaraccess.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fclass-internal..rkt%2529._send%2529%2529&amp;version=7.4" class="RktStxLink Sq" data-pltdoc="x">send</a></span><span class="hspace">&nbsp;</span><span class="RktVar">an-event</span><span class="hspace">&nbsp;</span><a name="(meth._(((lib._mred/main..rkt)._event~25)._get-time-stamp))"></a><span class="RktSym"><a href="#%28meth._%28%28%28lib._mred%2Fmain..rkt%29._event~25%29._get-time-stamp%29%29" class="RktValDef RktValLink" data-pltdoc="x">get-time-stamp</a></span><span class="RktPn"></span><span class="RktPn">)</span><span class="hspace">&nbsp;</span>&rarr;<span class="hspace">&nbsp;</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=number-types.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._exact-integer%7E3f%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">exact-integer?</a></span></p></blockquote></td></tr></table></blockquote></div><div class="SIntrapara">Returns the time, in milliseconds, when the event occurred. This time
 is compatible with times reported by Racket&rsquo;s
 <span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=time.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._current-milliseconds%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">current-milliseconds</a></span> procedure.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>method</p></div></div><p class="RForeground"><span class="RktPn">(</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=ivaraccess.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fclass-internal..rkt%2529._send%2529%2529&amp;version=7.4" class="RktStxLink Sq" data-pltdoc="x">send</a></span><span class="hspace">&nbsp;</span><span class="RktVar">an-event</span><span class="hspace">&nbsp;</span><a name="(meth._(((lib._mred/main..rkt)._event~25)._set-time-stamp))"></a><span class="RktSym"><a href="#%28meth._%28%28%28lib._mred%2Fmain..rkt%29._event~25%29._set-time-stamp%29%29" class="RktValDef RktValLink" data-pltdoc="x">set-time-stamp</a></span><span class="hspace">&nbsp;</span><span class="RktVar">time</span><span class="RktPn">)</span><span class="hspace">&nbsp;</span>&rarr;<span class="hspace">&nbsp;</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=void.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._void%7E3f%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">void?</a></span></p></blockquote></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="RktVar">time</span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=number-types.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._exact-integer%7E3f%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">exact-integer?</a></span></td></tr></table></blockquote></div><div class="SIntrapara">Set the time, in milliseconds, when the event occurred. See also
 Racket&rsquo;s <span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=time.html%23%2528def._%2528%2528quote._%7E23%7E25kernel%2529._current-milliseconds%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">current-milliseconds</a></span>.</div></p><p>If the supplied value is outside the platform-specific range of time
 values, an <span class="RktSym"><a href="https://download.racket-lang.org/releases/7.4/doc/local-redirect/index.html?doc=reference&amp;rel=exns.html%23%2528def._%2528%2528lib._racket%252Fprivate%252Fbase..rkt%2529._exn%7E3afail%7E3acontract%2529%2529&amp;version=7.4" class="RktValLink Sq" data-pltdoc="x">exn:fail:contract</a></span> exception is raised.</p><p><div class="SIntrapara"><p class="SHistory">Changed in version 7.3.0.1 of package <span class="stt">gui-lib</span>: Added <a href="" class="RktModLink" data-pltdoc="x"><span class="RktSym">racket/gui/event</span></a>
that also exports <span class="RktSym"><a href="#%28def._%28%28lib._mred%2Fmain..rkt%29._event~25%29%29" class="RktValLink" data-pltdoc="x">event%</a></span> and subclasses.</p></div><div class="SIntrapara"></div></p></blockquote></div></p><div class="navsetbottom"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, &quot;7.4&quot;, &quot;../&quot;);" onfocus="this.style.color=&quot;black&quot;; this.style.textAlign=&quot;left&quot;; if (this.value == &quot;...search manuals...&quot;) this.value=&quot;&quot;;" onblur="if (this.value.match(/^ *$/)) { this.style.color=&quot;#888&quot;; this.style.textAlign=&quot;center&quot;; this.value=&quot;...search manuals...&quot;; }"/></form>&nbsp;&nbsp;<a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot(&quot;7.4&quot;);">top</a></span><span class="navright">&nbsp;&nbsp;<a href="dialog_.html" title="backward to &quot;3.17 dialog%&quot;" data-pltdoc="x">&larr; prev</a>&nbsp;&nbsp;<a href="Windowing_Classes.html" title="up to &quot;3 Windowing Classes&quot;" data-pltdoc="x">up</a>&nbsp;&nbsp;<a href="frame_.html" title="forward to &quot;3.19 frame%&quot;" data-pltdoc="x">next &rarr;</a></span>&nbsp;</div></div></div><div id="contextindicator">&nbsp;</div></body></html>