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Extensible Markup Language  |  2003-08-01  |  3.1 KB  |  29 lines
  1. <?xml version="1.0" encoding="utf-8"?>
  2. <html><head><title>IsEmpty Function [Runtime]</title><meta name="filename" content="text/sbasic/common/03102400"/><help:css-file-link xmlns:help="http://openoffice.org/2000/help"/><!--The CSS style header method for setting styles--><style type="text/css">
  3.  
  4.         p.P1{
  5.                 }
  6.         span.T1{
  7.                 font-weight:bold;}
  8.         </style></head><body>
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  11.   <help:paragraphinfo state="E" xmlns:help="http://openoffice.org/2000/help"/><help:to-be-embedded Eid="isempty" xmlns:help="http://openoffice.org/2000/help">
  12.   <p class="Head1"><help:paragraphinfo state="U" number="1"/><help:key-word value="IsEmpty; function" tag="kw66393_1"/><help:link Id="66393">IsEmpty Function [Runtime]</help:link></p>
  13.   <p class="Paragraph"><help:paragraphinfo state="U" number="2"/>Tests if a Variant variable contains the Empty value. The Empty value indicates that the variable is not initialized.</p>
  14.   <help:paragraphinfo state="E"/></help:to-be-embedded>
  15.   <p class="Head2"><help:paragraphinfo state="U" number="3" xmlns:help="http://openoffice.org/2000/help"/>Syntax:</p>
  16.   <p class="Paragraph"><help:paragraphinfo state="U" number="4" xmlns:help="http://openoffice.org/2000/help"/>IsEmpty (Var)</p>
  17.   <p class="Head2"><help:paragraphinfo state="U" number="5" xmlns:help="http://openoffice.org/2000/help"/>Return value:</p>
  18.   <p class="Paragraph"><help:paragraphinfo state="U" number="6" xmlns:help="http://openoffice.org/2000/help"/>Bool</p>
  19.   <p class="Head2"><help:paragraphinfo state="U" number="7" xmlns:help="http://openoffice.org/2000/help"/>Parameters:</p>
  20.   <p class="Paragraph"><help:paragraphinfo state="U" number="8" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">Var:</span> Any variable that you want to test. If the Variant contains the Empty value, the function returns True, <text:s text:c="" xmlns:text="http://openoffice.org/2000/text"/>otherwise the function returns False.</p>
  21.   <p class="Paragraph"><help:paragraphinfo state="S" xmlns:help="http://openoffice.org/2000/help"/><help:embedded Id="66475" Eid="errorcode" xmlns:help="http://openoffice.org/2000/help"/></p>
  22.   <p class="Paragraph"><help:paragraphinfo state="S" xmlns:help="http://openoffice.org/2000/help"/><help:embedded Id="66475" Eid="err5" xmlns:help="http://openoffice.org/2000/help"/></p>
  23.   <p class="Head2"><help:paragraphinfo state="U" number="9" xmlns:help="http://openoffice.org/2000/help"/>Example:</p>
  24.   <p class="PropText"><help:paragraphinfo state="U" number="10" xmlns:help="http://openoffice.org/2000/help"/>Sub ExampleIsEmpty</p>
  25.   <p class="PropText"><help:paragraphinfo state="U" number="11" xmlns:help="http://openoffice.org/2000/help"/>Dim sVar as Variant</p>
  26.   <p class="PropText"><help:paragraphinfo state="U" number="12" xmlns:help="http://openoffice.org/2000/help"/>sVar = Empty</p>
  27.   <p class="PropText"><help:paragraphinfo state="U" number="13" xmlns:help="http://openoffice.org/2000/help"/>Print IsEmpty(sVar) REM Returns True</p>
  28.   <p class="PropText"><help:paragraphinfo state="U" number="14" xmlns:help="http://openoffice.org/2000/help"/>end sub</p>
  29.  </body></html>