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<helpdocument version="1.0">
<meta>
<topic id="textsbasicshared03060300xml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">Imp-Operator [Runtime]</title>
<filename>/text/sbasic/shared/03060300.xhp</filename>
</topic>
</meta>
<body>
<section id="imp">
<bookmark xml-lang="en-US" branch="index" id="bm_id3156024">
<bookmark_value>Imp operator (logical)</bookmark_value>
</bookmark>
<paragraph role="heading" id="hd_id3156024" xml-lang="en-US" level="1" l10n="U"><link href="text/sbasic/shared/03060300.xhp" name="Imp-Operator [Runtime]">Imp Operator [Runtime]</link></paragraph>
<paragraph role="paragraph" id="par_id3148947" xml-lang="en-US" l10n="U">Performs a logical implication on two expressions.</paragraph>
</section>
<paragraph role="heading" id="hd_id3148664" xml-lang="en-US" level="2" l10n="U">Syntax:</paragraph>
<paragraph role="paragraph" id="par_id3149656" xml-lang="en-US" l10n="U">Result = Expression1 Imp Expression2</paragraph>
<paragraph role="heading" id="hd_id3151212" xml-lang="en-US" level="2" l10n="U">Parameters:</paragraph>
<paragraph role="paragraph" id="par_id3154910" xml-lang="en-US" l10n="U"><emph>Result:</emph> Any numeric variable that contains the result of the implication.</paragraph>
<paragraph role="paragraph" id="par_id3156281" xml-lang="en-US" l10n="U"><emph>Expression1, Expression2:</emph> Any expressions that you want to evaluate with the Imp operator.</paragraph>
<paragraph role="paragraph" id="par_id3150440" xml-lang="en-US" l10n="U">If you use the Imp operator in Boolean expressions, False is only returned if the first expression evaluates to True and the second expression to False.</paragraph>
<paragraph role="paragraph" id="par_id3163710" xml-lang="en-US" l10n="U">If you use the Imp operator in bit expressions, a bit is deleted from the result if the corresponding bit is set in the first expression and the corresponding bit is deleted in the second expression.</paragraph>
<paragraph role="heading" id="hd_id3147318" xml-lang="en-US" level="2" l10n="U">Example:</paragraph>
<paragraph role="paragraph" id="par_id3155854" xml-lang="en-US" l10n="U">Sub ExampleImp</paragraph>
<paragraph role="paragraph" id="par_id3145272" xml-lang="en-US" l10n="CHG">Dim A as Variant, B as Variant, C as Variant, D as Variant</paragraph>
<paragraph role="paragraph" id="par_id3159156" xml-lang="en-US" l10n="U">Dim vOut as Variant</paragraph>
<paragraph role="paragraph" id="par_id3151116" xml-lang="en-US" l10n="U">A = 10: B = 8: C = 6: D = Null</paragraph>
<paragraph role="paragraph" id="par_id3145750" xml-lang="en-US" l10n="U">vOut = A &gt; B Imp B &gt; C REM returns -1</paragraph>
<paragraph role="paragraph" id="par_id3156441" xml-lang="en-US" l10n="CHG">vOut = B &gt; A Imp B &gt; C REM returns -1</paragraph>
<paragraph role="paragraph" id="par_id3152596" xml-lang="en-US" l10n="CHG">vOut = A &gt; B Imp B &gt; D REM returns 0</paragraph>
<paragraph role="paragraph" id="par_id3154942" xml-lang="en-US" l10n="CHG">vOut = (B &gt; D Imp B &gt; A) REM returns -1</paragraph>
<paragraph role="paragraph" id="par_id3154492" xml-lang="en-US" l10n="CHG">vOut = B Imp A REM returns -1</paragraph>
<paragraph role="paragraph" id="par_id3147394" xml-lang="en-US" l10n="U">End Sub</paragraph>
</body>
</helpdocument>