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Gambas Documentation - IS
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<h1>
IS
</h1>
<div class="black"><font color="white" size="-2"><b>Syntax</b></font></div>
<pre class="syntax"><u>Result</u> <b>=</b> <u>Expression</u> <b>IS</b> <u>Class</u></pre><p>

Returns if an object is an instance of a class, or one of its descendants.
<p>
<ul>
<li><u><a href="../comp/gb.eval/expression%3Fen">Expression</a></u> is any expression that returns an object reference.
<li><u><a href="../comp/gb/class%3Fen">Class</a></u> is a class name.
<p>
</ul>

<div class="gray"><font color="white" size="-2"><b>Example</b></font></div>
<pre class="example">PRINT [&quot;Gambas&quot;, &quot;rules!&quot;] IS String[]
<hr>True</pre>
<div class="gray"><font color="white" size="-2"><b>Example</b></font></div>
<pre class="example">DIM myTextBox AS NEW TextBox(ME)

PRINT myTextBox IS Control
<hr>True</pre>
<div class="gray"><font color="white" size="-2"><b>Example</b></font></div>
<pre class="example">PRINT [&quot;Gambas&quot;, &quot;rules!&quot;] IS Collection
<hr>False</pre>
<p>
<hr><b>See also</b><br>
<a href="../cat/object%3Fen">Object &amp; Class Management</a>&nbsp;&nbsp;

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