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Extensible Markup Language  |  2003-08-01  |  4.9 KB  |  37 lines
  1. <?xml version="1.0" encoding="utf-8"?>
  2. <html><head><title>CBool Function [Runtime]</title><meta name="filename" content="text/sbasic/common/03100100"/><help:css-file-link xmlns:help="http://openoffice.org/2000/help"/><!--The CSS style header method for setting styles--><style type="text/css">
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  4.         p.P1{
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  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="cbool" xmlns:help="http://openoffice.org/2000/help">
  12.   <p class="Head1"><help:paragraphinfo state="U" number="1"/><help:key-word value="CBool; function" tag="kw66608_1"/><help:link Id="66608">CBool Function [Runtime]</help:link></p>
  13.   <p class="Paragraph"><help:paragraphinfo state="U" number="2"/>Converts a string comparison or numeric comparison to a Boolean expression, or converts a single numeric expression to a Boolean expression.</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"/>CBool (Expression1 {= | <> | < | > | <= | >=} Expression2) or CBool (Number)</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">Expression1, Expression2:</span> Any string or numeric expressions that you want to compare. If the expressions match, the <span class="T1">CBool</span> function returns <span class="T1">True</span>, otherwise <span class="T1">False</span> is returned.</p>
  21.   <p class="Paragraph"><help:paragraphinfo state="U" number="9" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">Number:</span> Any numeric expression that you want to convert. If the expression equals 0, <span class="T1">False</span> is returned, otherwise <span class="T1">True</span> is returned.</p>
  22.   <p class="Paragraph"><help:paragraphinfo state="U" number="10" xmlns:help="http://openoffice.org/2000/help"/>The following example uses the <span class="T1">CBool</span> function to evaluate the value that is returned by the <span class="T1">Instr</span> function. The function checks if the word "and" is found in the sentence that was entered by the user.</p>
  23.   <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>
  24.   <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>
  25.   <p class="Head2"><help:paragraphinfo state="U" number="11" xmlns:help="http://openoffice.org/2000/help"/>Example:</p>
  26.   <p class="PropText"><help:paragraphinfo state="U" number="12" xmlns:help="http://openoffice.org/2000/help"/>Sub ExampleCBool</p>
  27.   <p class="PropText"><help:paragraphinfo state="U" number="13" xmlns:help="http://openoffice.org/2000/help"/>Dim sText As String</p>
  28.   <p class="PropText"><help:paragraphinfo state="U" number="14" xmlns:help="http://openoffice.org/2000/help"/>sText = InputBox("Please enter a short sentence:")</p>
  29.   <p class="PropText"><help:paragraphinfo state="U" number="15" xmlns:help="http://openoffice.org/2000/help"/>REM Proof if the word ┬╗and┬½ appears in the sentence.</p>
  30.   <p class="PropText"><help:paragraphinfo state="U" number="16" xmlns:help="http://openoffice.org/2000/help"/>REM Instead of the command line</p>
  31.   <p class="PropText"><help:paragraphinfo state="U" number="17" xmlns:help="http://openoffice.org/2000/help"/>REM <text:s text:c="12" xmlns:text="http://openoffice.org/2000/text"/>If Instr(Input, "and")<>0 Then...</p>
  32.   <p class="PropText"><help:paragraphinfo state="U" number="18" xmlns:help="http://openoffice.org/2000/help"/>REM the CBool function is applied as follows:</p>
  33.   <p class="PropText"><help:paragraphinfo state="U" number="19" xmlns:help="http://openoffice.org/2000/help"/>If CBool(Instr(sText, "and")) Then</p>
  34.   <p class="PropText"><help:paragraphinfo state="U" number="20" xmlns:help="http://openoffice.org/2000/help"/>MsgBox "The word ┬╗and┬½ appears in the sentence you entered!"</p>
  35.   <p class="PropText"><help:paragraphinfo state="U" number="21" xmlns:help="http://openoffice.org/2000/help"/>EndIf</p>
  36.   <p class="PropText"><help:paragraphinfo state="U" number="22" xmlns:help="http://openoffice.org/2000/help"/>End Sub</p>
  37.  </body></html>