1<?xml version="1.0" encoding="UTF-8"?> 2 3 4<!--*********************************************************** 5 * 6 * Licensed to the Apache Software Foundation (ASF) under one 7 * or more contributor license agreements. See the NOTICE file 8 * distributed with this work for additional information 9 * regarding copyright ownership. The ASF licenses this file 10 * to you under the Apache License, Version 2.0 (the 11 * "License"); you may not use this file except in compliance 12 * with the License. You may obtain a copy of the License at 13 * 14 * http://www.apache.org/licenses/LICENSE-2.0 15 * 16 * Unless required by applicable law or agreed to in writing, 17 * software distributed under the License is distributed on an 18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 19 * KIND, either express or implied. See the License for the 20 * specific language governing permissions and limitations 21 * under the License. 22 * 23 ***********************************************************--> 24 25 26 27<helpdocument version="1.0"> 28<meta> 29<topic id="textsbasicshared03050100xml" indexer="include" status="PUBLISH"> 30<title id="tit" xml-lang="en-US">Erl Function [Runtime]</title> 31<filename>/text/sbasic/shared/03050100.xhp</filename> 32</topic> 33<history> 34<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> 35<lastedited date="2004-08-24T11:37:22">converted from old format - fpe 36dedr: fixed #i30425#</lastedited> 37</history> 38</meta> 39<body> 40<section id="erl"> 41<bookmark xml-lang="en-US" branch="index" id="bm_id3157896"><bookmark_value>Erl function</bookmark_value> 42</bookmark> 43<paragraph role="heading" id="hd_id3157896" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03050100.xhp" name="Erl Function [Runtime]">Erl Function [Runtime]</link></paragraph> 44<paragraph role="paragraph" id="par_id3153394" xml-lang="en-US" l10n="U" oldref="2">Returns the line number where an error occurred during program execution.</paragraph> 45</section> 46<paragraph role="heading" id="hd_id3147574" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 47<paragraph role="paragraph" id="par_id3146795" xml-lang="en-US" l10n="U" oldref="4">Erl</paragraph> 48<paragraph role="heading" id="hd_id3147265" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph> 49<paragraph role="paragraph" id="par_id3154924" xml-lang="en-US" l10n="U" oldref="6">Integer</paragraph> 50<paragraph role="heading" id="hd_id3150792" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph> 51<paragraph role="note" id="par_id3153771" xml-lang="en-US" l10n="U" oldref="8">The Erl function only returns a line number, and not a line label.</paragraph> 52<paragraph role="heading" id="hd_id3146921" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph> 53<paragraph role="paragraph" id="par_id3146975" xml-lang="en-US" l10n="U" oldref="10">sub ExampleError</paragraph> 54<paragraph role="paragraph" id="par_id3150010" xml-lang="en-US" l10n="U" oldref="11">on error goto ErrorHandler REM Set up error handler</paragraph> 55<paragraph role="paragraph" id="par_id3155308" xml-lang="en-US" l10n="U" oldref="12">Dim iVar as Integer</paragraph> 56<paragraph role="paragraph" id="par_id3149482" xml-lang="en-US" l10n="U" oldref="13">Dim sVar As String</paragraph> 57<paragraph role="paragraph" id="par_id3153188" xml-lang="en-US" l10n="U" oldref="14">REM Error caused by non-existent file</paragraph> 58<paragraph role="paragraph" id="par_id3159155" xml-lang="en-US" l10n="U" oldref="15">iVar = Freefile</paragraph> 59<paragraph role="paragraph" id="par_id3146120" xml-lang="en-US" l10n="U" oldref="16">Open "\file9879.txt" for Input as #iVar</paragraph> 60<paragraph role="paragraph" id="par_id3147349" xml-lang="en-US" l10n="U" oldref="17">Line Input #iVar, sVar</paragraph> 61<paragraph role="paragraph" id="par_id3151073" xml-lang="en-US" l10n="U" oldref="18">Close #iVar</paragraph> 62<paragraph role="paragraph" id="par_id3148456" xml-lang="en-US" l10n="U" oldref="19">exit sub</paragraph> 63<paragraph role="paragraph" id="par_id3147394" xml-lang="en-US" l10n="U" oldref="20">ErrorHandler:</paragraph> 64<paragraph role="paragraph" id="par_id3155416" xml-lang="en-US" l10n="U" oldref="21">MsgBox "Error " & err & ": " & error$ + chr(13) + "In line : " + Erl + chr(13) + Now , 16 ,"An error occurred"</paragraph> 65<paragraph role="paragraph" id="par_id3153878" xml-lang="en-US" l10n="U" oldref="22">end sub</paragraph> 66</body> 67</helpdocument> 68