1<?xml version="1.0" encoding="UTF-8"?> 2 3<!--*********************************************************** 4 * 5 * Licensed to the Apache Software Foundation (ASF) under one 6 * or more contributor license agreements. See the NOTICE file 7 * distributed with this work for additional information 8 * regarding copyright ownership. The ASF licenses this file 9 * to you under the Apache License, Version 2.0 (the 10 * "License"); you may not use this file except in compliance 11 * with the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, 16 * software distributed under the License is distributed on an 17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18 * KIND, either express or implied. See the License for the 19 * specific language governing permissions and limitations 20 * under the License. 21 * 22 ***********************************************************--> 23 24<helpdocument version="1.0"> 25<meta> 26<topic id="textsbasicshared03050200xml" indexer="include" status="PUBLISH"> 27<title id="tit" xml-lang="en-US">Err Function [Runtime]</title> 28<filename>/text/sbasic/shared/03050200.xhp</filename> 29</topic> 30</meta> 31<body> 32<section id="err"> 33<bookmark xml-lang="en-US" branch="index" id="bm_id3156343"> 34<bookmark_value>Err function</bookmark_value> 35</bookmark> 36<paragraph role="heading" id="hd_id3156343" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03050200.xhp" name="Err Function [Runtime]">Err Function [Runtime]</link></paragraph> 37<paragraph role="paragraph" id="par_id3150541" xml-lang="en-US" l10n="U" oldref="2">Returns an error code that identifies the error that occurred during program execution.</paragraph> 38</section> 39<paragraph role="heading" id="hd_id3149656" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 40<paragraph role="paragraph" id="par_id3154123" xml-lang="en-US" l10n="U" oldref="4">Err</paragraph> 41<paragraph role="heading" id="hd_id3147229" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph> 42<paragraph role="paragraph" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="6">Integer</paragraph> 43<paragraph role="heading" id="hd_id3153193" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph> 44<paragraph role="paragraph" id="par_id3149561" xml-lang="en-US" l10n="U" oldref="8">The Err function is used in error-handling routines to determine the error and the corrective action.</paragraph> 45<paragraph role="heading" id="hd_id3147317" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph> 46<paragraph role="paragraph" id="par_id3153727" xml-lang="en-US" l10n="U" oldref="10">sub ExampleError</paragraph> 47<paragraph role="paragraph" id="par_id3147426" xml-lang="en-US" l10n="U" oldref="11">on error goto ErrorHandler REM Set up error handler</paragraph> 48<paragraph role="paragraph" id="par_id3163710" xml-lang="en-US" l10n="U" oldref="12">Dim iVar as Integer</paragraph> 49<paragraph role="paragraph" id="par_id3153093" xml-lang="en-US" l10n="U" oldref="13">Dim sVar As String</paragraph> 50<paragraph role="paragraph" id="par_id3149481" xml-lang="en-US" l10n="U" oldref="14">REM Error occurs due to non-existent file</paragraph> 51<paragraph role="paragraph" id="par_id3153190" xml-lang="en-US" l10n="U" oldref="15">iVar = Freefile</paragraph> 52<paragraph role="paragraph" id="par_id3146120" xml-lang="en-US" l10n="U" oldref="16">Open "\file9879.txt" for Input as #iVar</paragraph> 53<paragraph role="paragraph" id="par_id3155308" xml-lang="en-US" l10n="U" oldref="17">Line Input #iVar, sVar</paragraph> 54<paragraph role="paragraph" id="par_id3153142" xml-lang="en-US" l10n="U" oldref="18">Close #iVar</paragraph> 55<paragraph role="paragraph" id="par_id3149665" xml-lang="en-US" l10n="U" oldref="19">exit sub</paragraph> 56<paragraph role="paragraph" id="par_id3154942" xml-lang="en-US" l10n="U" oldref="20">ErrorHandler:</paragraph> 57<paragraph role="paragraph" id="par_id3145646" xml-lang="en-US" l10n="U" oldref="21">MsgBox "Error " & Err & ": " & Error$ + chr(13) + "At line : " + Erl + chr(13) + Now , 16 ,"an error occurred"</paragraph> 58<paragraph role="paragraph" id="par_id3155418" xml-lang="en-US" l10n="U" oldref="22">end sub</paragraph> 59</body> 60</helpdocument> 61