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><head><title>glIsList</title><link rel="stylesheet" href="style.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.59.1"/><link rel="home" href="index.xml" title="PyOpenGL 2.0.1.07 Man Pages"/><link rel="up" href="reference-GL.xml" title="GL"/><link rel="previous" href="glIsEnabled.3G.xml" title="glIsEnabled"/><link rel="next" href="glIsTexture.3G.xml" title="glIsTexture"/></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">glIsList</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="glIsEnabled.3G.xml">Prev</a> </td><th width="60%" align="center">GL</th><td width="20%" align="right"> <a accesskey="n" href="glIsTexture.3G.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="glIsList.3G"/><div class="titlepage"/><div class="refnamediv"><a name="glIsList.3G-name"/><h2>Name</h2><p>glIsList &#8212; determine if a name corresponds to a display-list</p></div><div class="refsynopsisdiv"><a name="glIsList.3G-c_spec"/><h2>C Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>GLboolean <tt>glIsList</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>GLuint <i><tt>list</tt></i>);</code></td></tr></table></div><div class="refsynopsisdiv"><a name="glIsList.3G-python_spec"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>glIsList</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code><i><tt>list</tt></i>) &#8594; <i><tt>boolean</tt></i></code></td></tr></table></div><div class="refsect1" lang="en"><a name="glIsList.3G-parameters"/><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><i><tt>list</tt></i></span></dt><dd>
						Specifies a potential display-list name.
					</dd></dl></div></div><div class="refsect1" lang="en"><a name="glIsList.3G-description"/><h2>Description</h2><p>
			<tt>glIsList</tt> returns <tt>GL_TRUE</tt> if <i><tt>list</tt></i> is the name of a
			display list and returns <tt>GL_FALSE</tt> otherwise.
		</p></div><div class="refsect1" lang="en"><a name="glIsList.3G-errors"/><h2>Errors</h2><p>
			<tt>GL_INVALID_OPERATION</tt> is generated if <tt>glIsList</tt> is executed between the
			execution of <a href="glBegin.3G.xml"><tt>glBegin</tt></a> and the corresponding execution of <a href="glBegin.3G.xml"><tt>glEnd</tt></a>.
		</p></div><div class="refsect1" lang="en"><a name="glIsList.3G-see_also"/><h2>See Also</h2><p>
			<span class="simplelist"><a href="glCallList.3G.xml">glCallList</a>, <a href="glCallLists.3G.xml">glCallLists</a>, <a href="glDeleteLists.3G.xml">glDeleteLists</a>, <a href="glGenLists.3G.xml">glGenLists</a>, <a href="glNewList.3G.xml">glNewList</a></span>
		</p></div></div><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="glIsEnabled.3G.xml">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="reference-GL.xml">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="glIsTexture.3G.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">glIsEnabled </td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top"> glIsTexture</td></tr></table></div></body></html>