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Extensible Markup Language  |  2002-01-24  |  2.8 KB  |  38 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"/><meta name="language" content="en-US"/><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.         p.P2{
  7.                 }
  8.         span.T1{
  9.                 font-weight:bold;}
  10.         </style></head><body>
  11.   
  12.   
  13.   <help:to-be-embedded Eid="cbool" xmlns:help="http://openoffice.org/2000/help">
  14.   <p class="Head1"><help:link Id="66608">CBool Function [Runtime]</help:link></p>
  15.   <p class="Paragraph">Converts a string comparison or numeric comparison to a boolean expression, or converts a single numeric expression to a boolean expression.</p>
  16.   </help:to-be-embedded>
  17.   <p class="Paragraph"><span class="T1">Syntax</span>:</p>
  18.   <p class="Paragraph">CBool (Expression1 {= | <> | < | > | <= | >=} Expression2) or CBool (Number) <help:key-word value="CBool" tag="kw66608_1" xmlns:help="http://openoffice.org/2000/help"/></p>
  19.   <p class="Paragraph"><span class="T1">Return value</span>:</p>
  20.   <p class="Paragraph">Bool</p>
  21.   <p class="Paragraph"><span class="T1">Parameter</span>:</p>
  22.   <p class="Paragraph">Expression1, Expression2 : Any string or numeric expressions to be compared. If the expressions match, the <span class="T1">CBool</span> function returns <span class="T1">True</span>; otherwise, <span class="T1">False</span> will be returned.</p>
  23.   <p class="Paragraph">Number :Any numeric expression to be converted. If the expression equals 0, <span class="T1">False</span> will be returned. If a value other than 0 is assigned to the function, <span class="T1">True</span> will be returned.</p>
  24.   <p class="Paragraph">The following example uses the <span class="T1">CBool</span> function to evaluate the value returned by the <span class="T1">Instr</span> function. The function proofs if the word <span class="T1">and</span> is found in a sentence entered by the user.</p>
  25.   <p class="P2">Example:</p>
  26.   <p class="PropText">Sub ExampleCBool</p>
  27.   <p class="PropText">Dim sText As String</p>
  28.   <p class="PropText">sText = InputBox("Please enter a short sentence:")</p>
  29.   <p class="PropText">REM Proof if the word ┬╗and┬½ appears in the sentence.</p>
  30.   <p class="PropText">REM Instead of the command line</p>
  31.   <p class="PropText">REM <text:s text:c="12" xmlns:text="http://openoffice.org/2000/text"/>If Instr(Input, "and")<>0 Then...</p>
  32.   <p class="PropText">REM the CBool function is applied as follows:</p>
  33.   <p class="PropText">If CBool(Instr(sText, "and")) Then</p>
  34.   <p class="PropText">MsgBox "The word ┬╗and┬½ appears in the sentence you entered!"</p>
  35.   <p class="PropText">EndIf</p>
  36.   <p class="PropText">End Sub</p>
  37.   <p class="PropText"/>
  38.  </body></html>