<doc>

<legacy_id>2393</legacy_id>

<name>delete stack</name>

<type>command</type>

<syntax>

<example>delete <i>stack</i></example>

</syntax>

<library></library>

<objects>

</objects>

<synonyms>

<synonym>clear stack</synonym>

</synonyms>

<classification>

<category>Objects &amp; Messages</category>

</classification>

<references>

<command tag="delete">delete Command</command>

<message tag="deleteStack">deleteStack Message</message>

<property tag="cantDelete">cantDelete Property</property>

</references>

<history>

<introduced version="1.0">Added.</introduced>

</history>

<platforms>

<mac/>

<windows/>

<linux/>

<ios/>

<android/>

</platforms>

<classes>

<desktop/>

<server/>

<web/>

<mobile/>

</classes>

<security>

</security>

<summary>Removes a <glossary tag="substack">substack</glossary> from a <glossary tag="stack file">stack file</glossary>, or removes a <glossary tag="main stack">main stack</glossary> from memory.</summary>

<examples>

<example>delete stack "Expressions"</example>

</examples>

<description>

<p>Use the <b>delete stack</b> <glossary tag="command">command</glossary> to delete a <glossary tag="substack">substack</glossary>, or to purge a <glossary tag="main stack">main stack</glossary> from memory.</p><p/><p><b>Parameters:</b></p><p>The <i>stack</i> is any valid <href tag="reference/object_reference.rev">stack reference</href>.</p><p/><p><b>Comments:</b></p><p>The <b>delete stack</b> <glossary tag="command">command</glossary> has different effects, depending on whether the <i>stack</i> is a <glossary tag="main stack">main stack</glossary> or a <glossary tag="substack">substack</glossary>.</p><p/><p>If the <i>stack</i> is a <glossary tag="main stack">main stack</glossary>, the <b>delete stack</b> <glossary tag="command">command</glossary> removes the <object tag="stack">stack</object> from memory. (Any unsaved changes are lost.) However, it does not remove it from the user's system. To delete a <glossary tag="main stack">main stack</glossary>, use the <command tag="delete file">delete file</command> <glossary tag="command">command</glossary> instead.</p><p/><p><code/><img src="202650"/> <b>Caution!</b><code/> If the <i>stack</i> is a <glossary tag="substack">substack</glossary>, the <b>delete stack</b> <glossary tag="command">command</glossary> deletes the <object tag="stack">stack</object> from memory, which causes it to be deleted permanently the next time its <glossary tag="stack file">stack file</glossary> is saved.</p>

</description>

</doc>