80 lines
6 KiB
XML
80 lines
6 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<helpdocument version="1.0">
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<!--
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* This file is part of the LibreOffice project.
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* This Source Code Form is subject to the terms of the Mozilla Public
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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-->
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<meta>
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<topic id="textsbasicshared03131600xml" indexer="include" status="PUBLISH">
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<title id="tit" xml-lang="en-US">CreateUnoService Function</title>
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<filename>/text/sbasic/shared/03131600.xhp</filename>
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</topic>
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</meta>
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<body>
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<section id="createunoservice">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3150682">
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<bookmark_value>CreateUnoService function</bookmark_value>
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<bookmark_value>API;FilePicker</bookmark_value>
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<bookmark_value>API;SimpleFileAccess</bookmark_value>
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</bookmark>
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<h1 id="hd_id3150682"><variable id="createunoserviceh1"><link href="text/sbasic/shared/03131600.xhp">CreateUnoService Function</link></variable></h1>
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<paragraph id="par_id3152924" role="paragraph" xml-lang="en-US">Instantiates a Uno service with the <literal>ProcessServiceManager</literal>.</paragraph>
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</section>
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<embed href="text/sbasic/shared/00000003.xhp#functsyntax"/>
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<bascode>
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<paragraph role="bascode" localize="false" id="bas_syntax"> CreateUnoService(serviceName As String) As Object</paragraph>
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</bascode>
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<tip id="par_id921629989537850">For a list of available services, visit the <link href="https://api.libreoffice.org/docs/idl/ref/namespacecom_1_1sun_1_1star.html">com::sun::star Module</link> reference page.</tip>
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<embed href="text/sbasic/shared/00000003.xhp#functexample"/>
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<paragraph role="paragraph" id="par_id891561653344669">The example below creates the function <literal>FileExists</literal> that uses the service <literal>com.sun.star.ucb.SimpleFileAccess</literal> to test if a given path is an existing file.</paragraph>
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<bascode>
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<paragraph role="bascode" localize="false" id="bas_id901629989240801">Function FileExists(sPath as String) As Boolean</paragraph>
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<paragraph role="bascode" localize="false" id="bas_id361629989241073"> Dim svcSFA As Object</paragraph>
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<paragraph role="bascode" localize="false" id="bas_id461629989241289"> Set svcSFA = CreateUnoService("com.sun.star.ucb.SimpleFileAccess")</paragraph>
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<paragraph role="bascode" localize="false" id="bas_id441629989241521"> Dim bExists As Boolean : bExists = svcSFA.exists(sPath)</paragraph>
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<paragraph role="bascode" localize="false" id="bas_id651629989241801"> Dim bIsFolder As Boolean : bIsFolder = svcSFA.IsFolder(sPath)</paragraph>
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<paragraph role="bascode" localize="false" id="bas_id521629989242114"> FileExists = bExists And Not bIsFolder</paragraph>
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<paragraph role="bascode" localize="false" id="bas_id211629989242416">End Function ' FileExists</paragraph>
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</bascode>
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<tip id="par_id351629989310797">UNO services have an extensive online documentation in the <link href="https://api.libreoffice.org/">api.libreoffice.org</link> website. Visit the <link href="https://api.libreoffice.org/docs/idl/ref/servicecom_1_1sun_1_1star_1_1ucb_1_1SimpleFileAccess.html">SimpleFileAccess Service</link> reference page to learn more about the methods provided by the service used in the example above.</tip>
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<embed href="text/sbasic/shared/00000003.xhp#functexample"/>
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<bookmark xml-lang="en-US" branch="index" id="bm_id8334604">
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<bookmark_value>filepicker;API service</bookmark_value>
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</bookmark>
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<paragraph id="par_idN10625" role="paragraph" xml-lang="en-US">The following code uses the service <literal>com.sun.star.ui.dialogs.FilePicker</literal> to show a file open dialog:</paragraph>
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<bascode>
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<paragraph id="par_idm1206777616" role="bascode" localize="false">Sub Main</paragraph>
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<paragraph id="par_idN1062B" role="bascode" xml-lang="en-US"> fName = FileOpenDialog ("Please select a file")</paragraph>
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<paragraph id="par_idN10630" role="bascode" xml-lang="en-US"> Print "file chosen: "+fName</paragraph>
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<paragraph id="par_idm1206774256" role="bascode" localize="false">End Sub</paragraph>
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<paragraph id="par_idm1206773152" role="bascode" localize="false"> </paragraph>
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<paragraph id="par_idm1206772000" role="bascode" localize="false">Function FileOpenDialog(title As String) As String</paragraph>
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<paragraph id="bas_id11593417954966" role="bascode" localize="false"> res = com.sun.star.ui.dialogs.ExecutableDialogResults</paragraph>
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<paragraph id="par_idm1206770832" role="bascode" localize="false"> filepicker = CreateUnoService("com.sun.star.ui.dialogs.FilePicker")</paragraph>
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<paragraph id="par_idm1206769648" role="bascode" localize="false"> filepicker.Title = title</paragraph>
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<paragraph id="par_idm1206768496" role="bascode" localize="false"> If res.OK = filepicker.execute() Then </paragraph>
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<paragraph id="par_idm1206767344" role="bascode" localize="false"> files = filepicker.getSelectedFiles()</paragraph>
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<paragraph id="par_idm1206766192" role="bascode" localize="false"> FileOpenDialog=files(0)</paragraph>
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<paragraph id="bas_id11593417954" role="bascode" localize="false"> EndIf</paragraph>
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<paragraph id="par_idm1206765040" role="bascode" localize="false">End Function ' Main</paragraph>
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</bascode>
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<section id="relatedtopics">
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<embed href="text/sbasic/shared/CreateUnoSvcWithArgs.xhp#UnoSvcWithArgs_h1"/>
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<embed href="text/sbasic/shared/uno_objects.xhp#UnoObjects_h1"/>
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<embed href="text/sbasic/shared/calc_functions.xhp#CallingCalcFunctionsh1"/>
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</section>
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</body>
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</helpdocument>
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