helpcontent2/source/text/sbasic/shared/03050200.xhp

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  34 <helpdocument version="1.0">
  35 <meta>
  36 <topic id="textsbasicshared03050200xml" indexer="include" status="PUBLISH">
  37 <title id="tit" xml-lang="en-US">Err Function [Runtime]</title>
  38 <filename>/text/sbasic/shared/03050200.xhp</filename>
  39 </topic>
  40 <history>
  41 <created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
  42 <lastedited date="2004-08-24T11:37:52">converted from old format - fpe</lastedited>
  43 </history>
  44 </meta>
  45 <body>
  46 <section id="err">
  47 <bookmark xml-lang="en-US" branch="index" id="bm_id3156343"><bookmark_value>Err function</bookmark_value>
  48 </bookmark>
  49 <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>
  50 <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>
  51 </section>
  52 <paragraph role="heading" id="hd_id3149656" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
  53 <paragraph role="paragraph" id="par_id3154123" xml-lang="en-US" l10n="U" oldref="4">Err</paragraph>
  54 <paragraph role="heading" id="hd_id3147229" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph>
  55 <paragraph role="paragraph" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="6">Integer</paragraph>
  56 <paragraph role="heading" id="hd_id3153193" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph>
  57 <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>
  58 <paragraph role="heading" id="hd_id3147317" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph>
  59 <paragraph role="paragraph" id="par_id3153727" xml-lang="en-US" l10n="U" oldref="10">sub ExampleError</paragraph>
  60 <paragraph role="paragraph" id="par_id3147426" xml-lang="en-US" l10n="U" oldref="11">on error goto ErrorHandler REM Set up error handler</paragraph>
  61 <paragraph role="paragraph" id="par_id3163710" xml-lang="en-US" l10n="U" oldref="12">Dim iVar as Integer</paragraph>
  62 <paragraph role="paragraph" id="par_id3153093" xml-lang="en-US" l10n="U" oldref="13">Dim sVar As String</paragraph>
  63 <paragraph role="paragraph" id="par_id3149481" xml-lang="en-US" l10n="U" oldref="14">REM Error occurs due to non-existent file</paragraph>
  64 <paragraph role="paragraph" id="par_id3153190" xml-lang="en-US" l10n="U" oldref="15">iVar = Freefile</paragraph>
  65 <paragraph role="paragraph" id="par_id3146120" xml-lang="en-US" l10n="U" oldref="16">Open "\file9879.txt" for Input as #iVar</paragraph>
  66 <paragraph role="paragraph" id="par_id3155308" xml-lang="en-US" l10n="U" oldref="17">Line Input #iVar, sVar</paragraph>
  67 <paragraph role="paragraph" id="par_id3153142" xml-lang="en-US" l10n="U" oldref="18">Close #iVar</paragraph>
  68 <paragraph role="paragraph" id="par_id3149665" xml-lang="en-US" l10n="U" oldref="19">exit sub</paragraph>
  69 <paragraph role="paragraph" id="par_id3154942" xml-lang="en-US" l10n="U" oldref="20">ErrorHandler:</paragraph>
  70 <paragraph role="paragraph" id="par_id3145646" xml-lang="en-US" l10n="U" oldref="21">MsgBox "Error " &amp; Err &amp; ": " &amp; Error$ + chr(13) + "At line : " + Erl + chr(13) + Now , 16 ,"an error occurred"</paragraph>
  71 <paragraph role="paragraph" id="par_id3155418" xml-lang="en-US" l10n="U" oldref="22">end sub</paragraph>
  72 </body>
  73 </helpdocument>