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Text File  |  2007-09-08  |  230b  |  10 lines
  1. If Not IsDeclared ("a") then
  2.     MsgBox(0,"", "$a is NOT declared")     ; $a has never been assigned
  3. EndIf
  4.  
  5. $a=1
  6.  
  7. If IsDeclared ("a") then
  8.     MsgBox(0,"", "$a IS declared"  )      ; due to previous $a=1 assignment
  9. EndIf
  10.