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Filter - A replacement for VB6's Filter function under VB5
[ All Languages » VB »  Arrays]

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Click here to copy the following block
' A replace for the Filter function under VB4 and VB5
'
' Note that the source array is modified. For this reason
' this is declared as a Sub rather than a Function

Sub Filter(arr() As String, ByVal Search As String, Optional ByVal Include As _
  Boolean, Optional ByVal CompareMethod As VbCompareMethod = vbBinaryCompare)
  Dim index As Long
  Dim count As Long
  
  count = LBound(arr) - 1
  
  For index = LBound(arr) To UBound(arr)
    If (InStr(1, arr(index), Search, CompareMethod) > 0) = Include Then
      ' this item must be included
      count = count + 1
      If index <> count Then
        ' copy data only if necessary
        arr(count) = arr(index)
      End If
    End If
  Next
  
  ' trim items in excess
  If count < UBound(arr) Then
    ReDim Preserve arr(LBound(arr) To count) As String
  End If
  
End Sub


Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)

Job Description : He is the moderator of this site and currently working as an independent consultant. He works with VB.net/ASP.net, SQL Server and other MS technologies. He is MCSD.net, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )


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