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Extensible Markup Language  |  2003-08-01  |  4.4 KB  |  34 lines
  1. <?xml version="1.0" encoding="utf-8"?>
  2. <html><head><title>AND Operator [Runtime]</title><meta name="filename" content="text/sbasic/common/03060100"/><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{
  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="and" xmlns:help="http://openoffice.org/2000/help">
  12.   <p class="Head1"><help:paragraphinfo state="U" number="1"/><help:key-word value="And; logical operators" tag="kw66434_1"/><help:link Id="66434">AND Operator [Runtime]</help:link><help:key-word value="AND" tag="kw66434_2"/></p>
  13.   <p class="Paragraph"><help:paragraphinfo state="U" number="2"/>Logically combines two expressions.</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"/>Result = Expression1 And Expression2</p>
  17.   <p class="Head2"><help:paragraphinfo state="U" number="5" xmlns:help="http://openoffice.org/2000/help"/>Parameters:</p>
  18.   <p class="Paragraph"><help:paragraphinfo state="U" number="6" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">Result:</span> Any numeric variable that records the result of the combination.</p>
  19.   <p class="Paragraph"><help:paragraphinfo state="U" number="7" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">Expression1, Expression2:</span> Any expressions that you want to combine.</p>
  20.   <p class="Paragraph"><help:paragraphinfo state="U" number="8" xmlns:help="http://openoffice.org/2000/help"/>Boolean expressions combined with AND only return the value <span class="T1">True</span> if both expressions evaluate to <span class="T1">True</span>:</p>
  21.   <p class="Paragraph"><help:paragraphinfo state="U" number="9" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">True</span> AND <span class="T1">True</span> returns <span class="T1">True</span>; for all other combinations the result is <span class="T1">False</span>.</p>
  22.   <p class="Paragraph"><help:paragraphinfo state="U" number="10" xmlns:help="http://openoffice.org/2000/help"/>The AND operator also performs a bitwise comparison of identically positioned bits in two numeric expressions.</p>
  23.   <p class="Head2"><help:paragraphinfo state="U" number="11" xmlns:help="http://openoffice.org/2000/help"/>Example:</p>
  24.   <p class="PropText"><help:paragraphinfo state="U" number="12" xmlns:help="http://openoffice.org/2000/help"/>Sub ExampleAnd</p>
  25.   <p class="PropText"><help:paragraphinfo state="U" number="13" xmlns:help="http://openoffice.org/2000/help"/>Dim vA as Variant, vB as Variant, vC as Variant, vD as Variant</p>
  26.   <p class="PropText"><help:paragraphinfo state="U" number="14" xmlns:help="http://openoffice.org/2000/help"/>Dim vVarOut as Variant</p>
  27.   <p class="PropText"><help:paragraphinfo state="U" number="15" xmlns:help="http://openoffice.org/2000/help"/>A = 10: B = 8: C = 6: D = Null</p>
  28.   <p class="PropText"><help:paragraphinfo state="U" number="16" xmlns:help="http://openoffice.org/2000/help"/>vVarOut = A > B And B > C <text:s text:c="2" xmlns:text="http://openoffice.org/2000/text"/>REM returns -1</p>
  29.   <p class="PropText"><help:paragraphinfo state="U" number="17" xmlns:help="http://openoffice.org/2000/help"/>vVarOut = B > A And B > C <text:s text:c="2" xmlns:text="http://openoffice.org/2000/text"/>REM returns 0</p>
  30.   <p class="PropText"><help:paragraphinfo state="U" number="18" xmlns:help="http://openoffice.org/2000/help"/>vVarOut = A > B And B > D <text:s text:c="2" xmlns:text="http://openoffice.org/2000/text"/>REM returns -1</p>
  31.   <p class="PropText"><help:paragraphinfo state="U" number="19" xmlns:help="http://openoffice.org/2000/help"/>vVarOut = (B > D And B > A) REM returns 0</p>
  32.   <p class="PropText"><help:paragraphinfo state="U" number="20" xmlns:help="http://openoffice.org/2000/help"/>vVarOut = B And A <text:s text:c="10" xmlns:text="http://openoffice.org/2000/text"/>REM returns 8 due to the bitwise AND combination of both arguments</p>
  33.   <p class="PropText"><help:paragraphinfo state="U" number="21" xmlns:help="http://openoffice.org/2000/help"/>End Sub</p>
  34.  </body></html>