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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
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<meta>
<topic id="textsbasicshared03131600xml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">CreateUnoService Function</title>
<filename>/text/sbasic/shared/03131600.xhp</filename>
</topic>
</meta>
<body>
<section id="createunoservice">
<bookmark xml-lang="en-US" branch="index" id="bm_id3150682">
<bookmark_value>CreateUnoService function</bookmark_value>
<bookmark_value>API;FilePicker</bookmark_value>
<bookmark_value>API;SimpleFileAccess</bookmark_value>
</bookmark>
<h1 id="hd_id3150682"><variable id="createunoserviceh1"><link href="text/sbasic/shared/03131600.xhp" name="CreateUnoService Function">CreateUnoService Function</link></variable></h1>
<paragraph id="par_id3152924" role="paragraph" xml-lang="en-US">Instantiates a Uno service with the <literal>ProcessServiceManager</literal>.</paragraph>
</section>
<embed href="text/sbasic/shared/00000003.xhp#functsyntax"/>
<bascode>
<paragraph role="bascode" localize="false" id="bas_syntax"> CreateUnoService(serviceName As String) As Object</paragraph>
</bascode>
<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" name="UNO_Service_Names">com::sun::star Module</link> reference page.</tip>
<embed href="text/sbasic/shared/00000003.xhp#functexample"/>
<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>
<bascode>
<paragraph role="bascode" localize="false" id="bas_id901629989240801">Function FileExists(sPath as String) As Boolean</paragraph>
<paragraph role="bascode" localize="false" id="bas_id361629989241073"> Dim svcSFA As Object</paragraph>
<paragraph role="bascode" localize="false" id="bas_id461629989241289"> Set svcSFA = CreateUnoService("com.sun.star.ucb.SimpleFileAccess")</paragraph>
<paragraph role="bascode" localize="false" id="bas_id441629989241521"> Dim bExists As Boolean : bExists = svcSFA.exists(sPath)</paragraph>
<paragraph role="bascode" localize="false" id="bas_id651629989241801"> Dim bIsFolder As Boolean : bIsFolder = svcSFA.IsFolder(sPath)</paragraph>
<paragraph role="bascode" localize="false" id="bas_id521629989242114"> FileExists = bExists And Not bIsFolder</paragraph>
<paragraph role="bascode" localize="false" id="bas_id211629989242416">End Function ' FileExists</paragraph>
</bascode>
<tip id="par_id351629989310797">UNO services have an extensive online documentation in the <link href="https://api.libreoffice.org/" name="API_Website">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" name="SimpleFileAccess_Page">SimpleFileAccess Service</link> reference page to learn more about the methods provided by the service used in the example above.</tip>
<embed href="text/sbasic/shared/00000003.xhp#functexample"/>
<bookmark xml-lang="en-US" branch="index" id="bm_id8334604">
<bookmark_value>filepicker;API service</bookmark_value>
</bookmark>
<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>
<bascode>
<paragraph id="par_idm1206777616" role="bascode" localize="false">Sub Main</paragraph>
<paragraph id="par_idN1062B" role="bascode" xml-lang="en-US"> fName = FileOpenDialog ("Please select a file")</paragraph>
<paragraph id="par_idN10630" role="bascode" xml-lang="en-US"> Print "file chosen: "+fName</paragraph>
<paragraph id="par_idm1206774256" role="bascode" localize="false">End Sub</paragraph>
<paragraph id="par_idm1206773152" role="bascode" localize="false"> </paragraph>
<paragraph id="par_idm1206772000" role="bascode" localize="false">Function FileOpenDialog(title As String) As String</paragraph>
<paragraph id="bas_id11593417954966" role="bascode" localize="false"> res = com.sun.star.ui.dialogs.ExecutableDialogResults</paragraph>
<paragraph id="par_idm1206770832" role="bascode" localize="false"> filepicker = createUnoService("com.sun.star.ui.dialogs.FilePicker")</paragraph>
<paragraph id="par_idm1206769648" role="bascode" localize="false"> filepicker.Title = title</paragraph>
<paragraph id="par_idm1206768496" role="bascode" localize="false"> If res.OK = filepicker.execute() Then </paragraph>
<paragraph id="par_idm1206767344" role="bascode" localize="false"> files = filepicker.getSelectedFiles()</paragraph>
<paragraph id="par_idm1206766192" role="bascode" localize="false"> FileOpenDialog=files(0)</paragraph>
<paragraph id="bas_id11593417954" role="bascode" localize="false"> EndIf</paragraph>
<paragraph id="par_idm1206765040" role="bascode" localize="false">End Function ' Main</paragraph>
</bascode>
<section id="relatedtopics">
<embed href="text/sbasic/shared/CreateUnoSvcWithArgs.xhp#UnoSvcWithArgs_h1"/>
<embed href="text/sbasic/shared/uno_objects.xhp#UnoObjects_h1"/>
<embed href="text/sbasic/shared/calc_functions.xhp#CallingCalcFunctionsh1"/>
</section>
</body>
</helpdocument>
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