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VERSION 1.0 CLASS |
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BEGIN |
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MultiUse = -1 'True |
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Persistable = 0 'NotPersistable |
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DataBindingBehavior = 0 'vbNone |
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DataSourceBehavior = 0 'vbNone |
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MTSTransactionMode = 0 'NotAnMTSObject |
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END |
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Attribute VB_Name = "CVector" |
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Attribute VB_GlobalNameSpace = False |
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Attribute VB_Creatable = True |
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Attribute VB_PredeclaredId = False |
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Attribute VB_Exposed = False |
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' via: http://www.avdf.com/oct97/art_vb001.html |
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|
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Option Explicit |
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|
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Private av() As Variant |
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Private nLast As Long |
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Private nChunk As Long |
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|
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Public Property Get Chunk() As Long |
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Chunk = nChunk |
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End Property |
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|
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Public Property Let Chunk(NewValue As Long) |
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If NewValue = nChunk Then Exit Property |
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If NewValue < 1 Then |
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Err.Raise vbObjectError Or 1002, "CVector.Chunk", "Chunk is less than one" |
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Exit Property |
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End If |
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nChunk = NewValue |
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End Property |
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|
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Public Property Get Last() As Long |
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Last = nLast |
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End Property |
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|
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Public Property Let Last(ByVal NewLast As Long) |
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If NewLast = nLast Then Exit Property |
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If NewLast < 1 Then Exit Property |
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ReDim Preserve av(1 To NewLast) As Variant |
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nLast = NewLast |
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End Property |
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|
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Public Property Let item(ByVal Index As Long, ByVal V As Variant) |
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|
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If Index < 1 Then |
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Err.Raise vbObjectError Or 1000, "CVector.Let", "Index is less than one" |
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Exit Property |
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End If |
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|
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On Error GoTo Error_Handler |
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|
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av(Index) = V |
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|
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If Index > nLast Then |
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nLast = Index |
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End If |
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|
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Exit Property |
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|
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Error_Handler: |
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|
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If Index > UBound(av) Then |
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ReDim Preserve av(1 To Index + nChunk) As Variant |
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Resume |
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End If |
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Err.Raise Err.Number, Err.Source, Err.Description, Err.HelpFile, Err.HelpContext |
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|
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End Property |
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|
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Public Property Set item(ByVal Index As Long, ByVal V As Variant) |
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|
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If Index < 1 Then |
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Err.Raise vbObjectError Or 1000, "CVector.Let", "Index is less than one" |
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Exit Property |
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End If |
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|
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On Error GoTo Error_Handler |
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|
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Set av(Index) = V |
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|
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If Index > nLast Then |
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nLast = Index |
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End If |
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|
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Exit Property |
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|
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Error_Handler: |
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|
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If Index > UBound(av) Then |
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ReDim Preserve av(1 To Index + nChunk) As Variant |
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Resume |
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End If |
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Err.Raise Err.Number, Err.Source, _ |
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Err.Description, Err.HelpFile, Err.HelpContext |
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|
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End Property |
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|
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Public Property Get item(ByVal Index As Long) As Variant |
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Attribute item.VB_UserMemId = 0 |
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|
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On Error Resume Next |
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|
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If Index < 1 Then |
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Err.Raise vbObjectError Or 1000, _ |
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"CVector.Get", "Index is less than one" |
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Exit Property |
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End If |
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|
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If Index > nLast Then |
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Err.Raise vbObjectError Or 1001, _ |
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"CVector.Get", "Index is beyond end of vector" |
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Exit Property |
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End If |
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|
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If IsObject(av(Index)) Then |
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Set item = av(Index) |
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Else |
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item = av(Index) |
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End If |
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|
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End Property |
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|
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Private Sub Class_Initialize() |
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nChunk = 10 |
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nLast = 1 |
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ReDim av(1 To nChunk) As Variant |
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End Sub |
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|
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Public Sub add(value As String) |
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Dim newIdx As String |
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'newIdx = Me.Last() + 1 |
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'newIdx = Me.Last() |
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newIdx = nLast |
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Me.item(newIdx) = value |
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nLast = nLast + 1 |
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End Sub |
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