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diff --git a/helpcontent2/source/text/sbasic/shared/is_keyword.xhp b/helpcontent2/source/text/sbasic/shared/is_keyword.xhp new file mode 100644 index 000000000..0724cfe66 --- /dev/null +++ b/helpcontent2/source/text/sbasic/shared/is_keyword.xhp @@ -0,0 +1,71 @@ +<?xml version="1.0" encoding="UTF-8"?> +<helpdocument version="1.0"> +<!-- + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + --> + +<meta> + <topic id="iskeywordtopic" indexer="include" status="PUBLISH"> + <title id="tit" xml-lang="en-US">Is Operator</title> + <filename>/text/sbasic/shared/is_keyword.xhp</filename> + </topic> +</meta> +<body> + <section id="is_keyword_desc"> + <bookmark xml-lang="en-US" branch="index" id="bm_id3149205"> + <bookmark_value>Is Operator</bookmark_value> + </bookmark> + <h1 id="hd_id791633472607429"><variable id="IsOperator_h1"><link href="text/sbasic/shared/is_keyword.xhp" name="Is_Operator">Is Operator</link></variable></h1> + <paragraph role="paragraph" id="par_id3145090">Tests if two Basic variables refer to the same object instance.</paragraph> + </section> + <embed href="text/sbasic/shared/00000003.xhp#functsyntax"/> + <paragraph role="paragraph" localize="false" id="par_id711633530276845"> + <input>result = oObj1 Is oObj2</input> + </paragraph> + <paragraph role="paragraph" id="par_id441633531311929">If <literal>oObj1</literal> and <literal>oObj2</literal> are references to the same object instance, the result will be <emph>True</emph>.</paragraph> + <embed href="text/sbasic/shared/00000003.xhp#functexample"/> + <paragraph role="paragraph" id="par_id771633473462939">The example below first defines a new type <literal>Student</literal>. Calling <literal>TestObjects</literal> creates the object <literal>oStudent1</literal> as a new object of this type.</paragraph> + <paragraph role="paragraph" id="par_id841633532400710">The assignment <literal>oStudent2 = oStudent1</literal> actually copies the reference to the same object. Hence the result of applying the <literal>Is</literal> operator is <emph>True</emph>.</paragraph> + <bascode> + <paragraph role="bascode" localize="false" id="bas_id981633473836933">Type Student</paragraph> + <paragraph role="bascode" localize="false" id="bas_id941633473837598"> FirstName as String</paragraph> + <paragraph role="bascode" localize="false" id="bas_id941633473837123"> Program as String</paragraph> + <paragraph role="bascode" localize="false" id="bas_id371633532557876">End Type</paragraph> + <paragraph role="bascode" localize="false" id="bas_id301633532616004"></paragraph> + <paragraph role="bascode" localize="false" id="bas_id481633532558146">Sub TestObjects</paragraph> + <paragraph role="bascode" localize="false" id="bas_id471633532558363"> Dim oStudent1 as new Student</paragraph> + <paragraph role="bascode" localize="false" id="bas_id991633532558572"> Dim oStudent2 as Variant</paragraph> + <paragraph role="bascode" localize="false" id="bas_id181633532558771"> oStudent2 = oStudent1</paragraph> + <paragraph role="bascode" localize="false" id="bas_id891633532558970"> MsgBox Student1 Is Student2 ' True</paragraph> + <paragraph role="bascode" localize="false" id="bas_id501633532559284">End Sub</paragraph> + </bascode> + <paragraph role="paragraph" id="par_id181633473874216">The example below returns <emph>False</emph> because <literal>oStudent1</literal> and <literal>oStudent2</literal> are references to two different object instances, each created with the <literal>New</literal> operator.</paragraph> + <bascode> + <paragraph role="bascode" localize="false" id="bas_id941633533047593">Sub TestObjects_v2</paragraph> + <paragraph role="bascode" localize="false" id="bas_id981633533047852"> Dim oStudent1 as new Student</paragraph> + <paragraph role="bascode" localize="false" id="bas_id101633533048041"> Dim oStudent2 as new Student</paragraph> + <paragraph role="bascode" localize="false" id="bas_id821633533048265"> MsgBox oStudent1 Is oStudent2 ' False</paragraph> + <paragraph role="bascode" localize="false" id="bas_id451633533048471">End Sub</paragraph> + </bascode> + + <section id="relatedtopics"> + <embed href="text/sbasic/shared/03104600.xhp#EqualUnoObjects_h1"/> + <embed href="text/sbasic/shared/03102800.xhp#IsObject_h1"/> + <embed href="text/sbasic/shared/03090413.xhp#Type_h1"/> + </section> +</body> +</helpdocument> |