<doc>
  <legacy_id>2339</legacy_id>
  <name>commandKeyDown</name>
  <type>message</type>
  <syntax>
    <example>commandKeyDown <i>keyName</i></example>
  </syntax>
  <library></library>
  <objects>
  </objects>
  <synonyms>
  </synonyms>
  <classification>
    <category>User Interaction</category>
  </classification>
  <references>
    <message tag="controlKeyDown">controlKeyDown Message</message>
    <message tag="functionKey">functionKey Message</message>
    <message tag="optionKeyDown">optionKeyDown Message</message>
    <function tag="controlKey">controlKey Function</function>
    <function tag="commandKey">commandKey Function</function>
  </references>
  <history>
    <introduced version="1.0">Added.</introduced>
  </history>
  <platforms>
    <mac/>
    <windows/>
    <linux/>
  </platforms>
  <classes>
    <desktop/>
    <server/>
    <web/>
  </classes>
  <security>
  </security>
  <summary>Sent when a Command <glossary tag="key combination">key combination</glossary> (Control-key on <glossary tag="Unix">Unix</glossary> or <function tag="openStacks">Windows</function>) is pressed.</summary>
  <examples>
    <example>on commandKeyDown theKey <code><i>-- make Command-5 go back</i></code></p><p>  if theKey is "5" then go recent card else pass commandKeyDown</p><p>end commandKeyDown</example>
  </examples>
  <description>
    <p>Handle the <b>commandKeyDown</b> message if you want to provide Command-key or Control-key shortcuts (other than those provided in <function tag="menus">menus</function> and <keyword tag="button">button</keyword> accelerators).</p><p/><p><b>Parameters:</b></p><p>The <i>keyName</i> is the actual <keyword tag="character">character</keyword> of the pressed key.</p><p/><p><b>Comments:</b></p><p>The <b>commandKeyDown</b> <keyword tag="message box">message</keyword> is sent to the <glossary tag="active control">active (focused) control</glossary>, or to the <glossary tag="current card">current card</glossary> if no <keyword tag="control">control</keyword> is <glossary tag="focus">focused</glossary>.</p><p/><p>If the Command key is pressed along with the Return, Tab, Backspace, Delete, or Enter key, with an arrow key, or with a function key, no <b>commandKeyDown</b> <keyword tag="message box">message</keyword> is sent. Instead, the <message tag="returnKey">returnKey</message>, <message tag="tabKey">tabKey</message>, <message tag="backspaceKey">backspaceKey</message>, <message tag="deleteKey">deleteKey</message>, <message tag="enterKey">enterKey</message>, <message tag="arrowKey">arrowKey</message> or <message tag="functionKey">functionKey</message> <keyword tag="message box">message</keyword> is sent. To trap a combination such as Command-Return or Control-Return, use a <message tag="returnKey">returnKey</message> <glossary tag="handler">handler</glossary> and check the <function tag="commandKey">commandKey</function> <control_st tag="function">function</control_st> inside the <glossary tag="handler">handler</glossary>.</p><p/><p><code/><img src="202652"/> <b>Cross-platform note:</b><code/> On <glossary tag="Mac OS">Mac OS systems</glossary>, the <b>commandKeyDown</b> <keyword tag="message box">message</keyword> is sent when the user presses a key while holding down the <glossary tag="Command key">Command key</glossary>. On <glossary tag="Unix">Unix</glossary> or <glossary tag="Windows">Windows systems</glossary>, the <b>commandKeyDown</b> <keyword tag="message box">message</keyword> is sent when the user presses the Control key, whether or not another key is pressed at the same time.</p>
  </description>
</doc>