<doc>
  <legacy_id>1305</legacy_id>
  <name>screenSharedMemory</name>
  <type>property</type>
  <syntax>
    <example>set the screenSharedMemory to {true | false}</example>
  </syntax>
  <library></library>
  <objects>
    <global/>
  </objects>
  <synonyms>
    <synonym>screenVCSharedMemory</synonym>
  </synonyms>
  <classification>
    <category>The System Environment</category>
  </classification>
  <references>
    <property tag="alwaysBuffer">alwaysBuffer Property</property>
    <property tag="bufferHiddenImages">bufferHiddenImages Property</property>
    <property tag="screenNoPixmaps">screenNoPixmaps Property</property>
  </references>
  <history>
    <introduced version="1.0">Added.</introduced>
  </history>
  <platforms>
    <linux/>
  </platforms>
  <classes>
    <desktop/>
    <server/>
    <web/>
  </classes>
  <security>
  </security>
  <summary>Specifies whether <glossary tag="image">images</glossary> are drawn in shared memory on <glossary tag="Unix">Unix systems</glossary>.</summary>
  <examples>
    <example>set the screenSharedMemory to false</example>
  </examples>
  <description>
    <p>Use the <b>screenSharedMemory</b> <glossary tag="property">property</glossary> to improve drawing speed.</p><p/><p><b>Value:</b></p><p>The <b>screenSharedMemory</b> is true or false.</p><p/><p>By default, the <b>sharedScreenMemory</b> is set to true on <glossary tag="Unix">Unix systems</glossary>, false on <function tag="openStacks">Windows</function> and <glossary tag="Mac OS">Mac OS systems</glossary>.</p><p/><p><b>Comments:</b></p><p>If the <b>screenSharedMemory</b> <glossary tag="property">property</glossary> is set to true, the <glossary tag="engine">engine</glossary> uses the system's shared memory extension (if available) to draw <glossary tag="image">images</glossary>. This speeds up <keyword tag="image">image</keyword> rendering.</p><p/><p>Shared memory is not available on all Unix systems, and cannot be used if the application is running across the network rather than locally.</p><p/><p>If the application is started from a Unix command line, this property can be set to false on startup by using the<code> -s </code>option.</p><p/><p>The setting of this property has no effect on Mac OS or Windows systems.</p>
  </description>
</doc>