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Visual Basic Programming Code Examples

Visual Basic > API and Miscellaneous Code Examples

Function to round a value up,down,or near to another value.



Function to round a value up,down,or near to another value.

Function doRound(value As Double, RStep As Double, Mode As String) As
Double

  ' Mode   function
  '  UP     RoundUp
  '  DN     RoundDN
  '  NE     Nearest
  '

  If Mode = "DN" Then
    doRound = (Int(value / RStep) * RStep)
    Exit Function
  End If
  
  ' **** mode up
  If Mode = "UP" Then
    If value Mod RStep > 0 Then
      doRound = ((Int(value / RStep) * RStep) + RStep)
    Else
      doRound = value
    End If
    Exit Function
  End If
  
  If Mode = "NE" Then
    value = value + (RStep / 2)
    doRound = (Int(value / RStep) * RStep)
    Exit Function
  End If
End Function

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