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	<title type="html"><![CDATA[Approximatrix Forums — command to clear a graphics screen?]]></title>
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	<updated>2022-11-15T15:41:52Z</updated>
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			<title type="html"><![CDATA[Re: command to clear a graphics screen?]]></title>
			<link rel="alternate" href="http://forums.approximatrix.com/viewtopic.php?pid=4020#p4020" />
			<content type="html"><![CDATA[<p>You should be calling <em><a href="https://simplyfortran.com/docs/appgraphics/viewport.html">clearviewport</a></em> to clear the window contents.&nbsp; If you&#039;re double-buffering, though, you&#039;ll need to call <em><a href="https://simplyfortran.com/docs/appgraphics/windows.html">swapbuffers</a></em> as well, or it will appear that nothing is happening.</p>]]></content>
			<author>
				<name><![CDATA[jeff]]></name>
				<uri>http://forums.approximatrix.com/profile.php?id=2</uri>
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			<updated>2022-11-15T15:41:52Z</updated>
			<id>http://forums.approximatrix.com/viewtopic.php?pid=4020#p4020</id>
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		<entry>
			<title type="html"><![CDATA[command to clear a graphics screen?]]></title>
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			<content type="html"><![CDATA[<p>Trying to get a small circle to grow as it moves across a graphics screen.&nbsp; &quot;call clearscreen&quot; does not work.</p>]]></content>
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				<name><![CDATA[jackmitchener]]></name>
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			<updated>2022-11-15T02:24:35Z</updated>
			<id>http://forums.approximatrix.com/viewtopic.php?pid=4019#p4019</id>
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