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<h1 id="hd_id791633472607429" dir="auto">
<a name="IsOperator_h1"></a>Is Operator</h1>
<p id="par_id3145090" class="paragraph" dir="auto">Tests if two Basic variables refer to the same object instance.</p>
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<h3 id="hd_id061420171139089682" dir="auto">Syntax:</h3>
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<p id="par_id711633530276845" class="paragraph" dir="auto">
<span class="input" data-tooltip="Click on text to copy to clipboard">result = oObj1 Is oObj2</span>
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<p id="par_id441633531311929" class="paragraph" dir="auto">If <span class="literal">oObj1</span> and <span class="literal">oObj2</span> are references to the same object instance, the result will be <span class="emph">True</span>.</p>
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<h3 id="hd_id061420171139088233" dir="auto">Example:</h3>
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<p id="par_id771633473462939" class="paragraph" dir="auto">The example below first defines a new type <span class="literal">Student</span>. Calling <span class="literal">TestObjects</span> creates the object <span class="literal">oStudent1</span> as a new object of this type.</p>
<p id="par_id841633532400710" class="paragraph" dir="auto">The assignment <span class="literal">oStudent2 = oStudent1</span> actually copies the reference to the same object. Hence the result of applying the <span class="literal">Is</span> operator is <span class="emph">True</span>.</p>
<div class="bascode" itemscope="true" itemtype="http://schema.org/SoftwareSourceCode" itemprop="codeSampleType" content="snippet" data-tooltip="Click on text to copy to clipboard"><pre dir="auto"><code class="language-visual-basic line-numbers">
Type Student
FirstName as String
Program as String
End Type
Sub TestObjects
Dim oStudent1 as new Student
Dim oStudent2 as Variant
oStudent2 = oStudent1
MsgBox Student1 Is Student2 ' True
End Sub
</code></pre></div>
<p id="par_id181633473874216" class="paragraph" dir="auto">The example below returns <span class="emph">False</span> because <span class="literal">oStudent1</span> and <span class="literal">oStudent2</span> are references to two different object instances, each created with the <span class="literal">New</span> operator.</p>
<div class="bascode" itemscope="true" itemtype="http://schema.org/SoftwareSourceCode" itemprop="codeSampleType" content="snippet" data-tooltip="Click on text to copy to clipboard"><pre dir="auto"><code class="language-visual-basic line-numbers">
Sub TestObjects_v2
Dim oStudent1 as new Student
Dim oStudent2 as new Student
MsgBox oStudent1 Is oStudent2 ' False
End Sub
</code></pre></div>
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<div class="embedded"><p class="embedded" dir="auto"><a target="_top" href="en-US/text/sbasic/shared/03104600.html">EqualUnoObjects Function</a></p></div>
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