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Gambas Documentation - IS
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<h1>
IS
</h1>
<div class="black"><font 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 <a href="../def/object+en">object</a> is an instance of a class, or one of its descendants.
<p>
<ul>
<li><u>Expression</u> is any expression that returns an <a href="../def/object+en">object</a> reference.
<li><u>Class</u> is a class name.
<p>
</ul>

<div class="gray"><font 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 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 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+en">Object &amp; Class Management</a>&nbsp;

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